how to dispose of zinc sulfate solution
These should be converted to the +3 oxidation state; hydrogen peroxide as well as sulfites or thiosulfate will do this, which is typically the least harmful, preferably to chromium(III) oxide. Bleach (best bet); hydrogen peroxide; oxygen; ozone; Extremely toxic for all organisms, used to kill pests, Neutralize it first, good source of phosphorus, unless contaminated, Deadly to small animals; excess in water bodies may cause algal bloom, Suspension of calcium hydroxide, sodium thiosulfate, cooled; PBr, Breaks down to bromine, hydrogen bromide, phosphorus tribromide and phosphorous acids in the presence of air/moisture, Corrosive and deadly to all wildlife; Lowers soil pH; Corrosive to rocks, soil, Suspension of calcium hydroxide, cooled; PCl, Boils and breaks down to chlorine, hydrogen chloride and phosphorous acids in the presence of air/moisture, Will volatilize at very high temperatures, No, reaction with water is highly exothermic and may generate acidic steam. Zinc compounds can be refined to zinc metal using electrowinning. Safe, biodegradable; Occurs naturally in various plants, like eucalyptus, peppermint, etc. To dispose of these chemicals, place the containers in a box lined with a plastic bag, tape the top of Copper Sulfate -> 5% (Most commonly used) Current research may show that Manure slurry + Copper sulfate may have a destructive effect on the mortar between the hoof horn walls. WebAdd sodium bicarbonate solution. A radioactive waste that is water soluble or readily dispersible in water and not prohibited from sewer disposal based It's best however, to avoid dumping large quantities of waste, as the reaction in exothermic and may splash or volatilize some of the waste, so it's best to perform the neutralization in small steps. best as aqueous solution. WebSoak up with inert absorbent material and dispose of as hazardous waste. (Sigma-Aldrich SDS) Collect in aluminium hydroxide waste Processing, use or contamination of this product may change the waste management options. Aqueous solutions are acidic. alkali, Decomposes to dimethyl sulfate, DO NOT CALCINATE, Mixed with a more flammable solvent, followed by incineration; Oxidation with Fenton's reagent if it has too much water, Results in carbon oxides, water vapors and sulfur dioxide, Waste water bacteria breaks it down into dimethyl sulfide, which is slightly toxic and has a strong disagreeable odor, Ferrous sulfate, sodium metabisulfite, bleach, Diluted solutions will break down harmlessly, Harmful for most organisms; acetone has low toxicity, Ignites in open air; Decomposes above 200 C, Addition to large amounts of cold water; neutralization with a base, Decomposes giving off nitrogen oxide fumes, Very corrosive to all organisms, may cause fires or explosions, Dissolved in a flammable solvent and burned in an incinerator; Oxidation with Fenton's reagent, Flammable, gives off carbon dioxide, PAHs, soot and water vapors, Potentially harmful for wildlife and aquatic life in large concentrations, Mixed with a more flammable solvent and followed by incineration, Gives off carbon oxides, water vapors and soot, Not required; Excess slaked lime can be used to precipitate calcium phosphate, Decomposes on heating at high temperatures to release water vapors, leaving a residue of potassium and phosphorus oxides, Safe, good fertilizer (potassium and phosphorus source), Slaked lime or any other base, carbonate or bicarbonate, "Wetting" with a solvent, extraction of nitro and very careful neutralization of it; addition of more diatomaceous earth to further absorb the nitro, Explosive hazard; otherwise good nitrogen source for plants, Precipitation with a base; recycling; separation can be done with a magnet, if no other magnetic salts are present, Decomposes to dysprosium(III) oxide, releases nitrogen dioxide, Decomposes, releases combustion gasses, POCs and VOCs, Releases absorbed water or carbon dioxide, Decomposes giving off carbon and sulfur oxides, nitrogen, water, soot, VOCs, Environmental effects are currently unknown, Cooled aqueous solution of excess sodium hydroxide, Dangerous to animals due to its vasodilator effects; harmless to plants, nitrogen source for plant life, Flammable, gives off carbon dioxide and water vapors, Deadly to small animals on direct contact, dangerous to aquatic and soil life, Burns, releasing carbon oxides, water vapors, Deadly to all living things, dangerous to aquatic and soil life, as it acidifies water, Hazardous to environment in large amounts, Alkali solution, followed by sodium thiosulfate to remove any free iodine, Dangerous to wildlife in high concentrations, Diluted alkali solution, recommended to be cooled first to prevent possible explosion, Burns in air, giving off carbon dioxide, nitrogen and water vapors, Amines can be source of nitrogen for plants, but may be harmful to fauna and water bodies, Gives off carbon oxides, water vapors and various volatile componds, Toxic to organisms, dangerous to aquatic life, Sodium hydroxide, followed by incineration, Poses threat to animals, weak nitrogen source for plants, Neutralization with sulfuric acid; mixed with a flammable solvent, followed by an incineration; oxidation with potassium permanganate, followed by addition of sodium bisulfite, and neutralization with sodium hydroxide, Poured down the drain if not bonded with heavy metals; otherwise taken to waste disposal centers, Breaks down to give carbon oxides, water vapor, various amines, soot, Displays some toxicity to many organisms lifeforms, dangerous to water bodies; can be broken down slowly by various microorganisms, Incineration, done outside; Oxidation with Fenton's reagent, Little information is given on its environmental impact, Incineration if desired; not always required, can be poured down the drain, Releases carbon dioxide, monoxide, water vapors and soot; Burns in rich oxygen atmosphere. 5 Since the biggest hazard comes from the volatile and soluble heavy metal compounds, it's best to convert them into insoluble compounds, which are less toxic. WebExamples of chemicals acceptable for disposal as regular trash are listed below. See Section 13 for disposal information. Nickel and perchlorates are toxic to environment, Not required; can be dumped in trash or taken to waste disposal centers, Yes (if pure); No (if it contains cobalt), Toxic to the environment if it contains cobalt, Generates carbon oxides, nitrogen fumes; May corrode metal container, if done in one, May cause uncontrolled algae growth in water bodies, Decomposes when burned; May explode if heated at high temperatures, Safe, good fertilizer; May cause uncontrolled algae growth in water bodies, Water, iron(III) oxide, manganese dioxide, Decomposes when heated to high temperatures, releasing water vapor, Yes, though not recommended in large quantities, Irritant and corrosive to large organisms, kills small organisms, Not required; should be taken to disposal facilities, Not useful; Turns into oxides of lower states at high temperatures, Not required; and oxidizing mixture may be used to oxidize it completely if desired, Decomposes above 250 C to release carbon dioxide, water vapors and soot, There is little data available for its environmental effects, doesn't appear to be toxic, Lethal to small animals and toxic to larger ones in small amounts; Not suspected to be bioaccumulative, Uncomposted wood is harmful for environment, especially sawdust, Melts at 70 C and gives off harmful cadmium fumes at high temperatures, While bismuth and tin don't present great hazard to environment, lead and cadmium do, Oxidation with Fenton's reagent; Incineration, best with an afterburner, Burns in air, to release combustion gasses, soot and VOCs, Toxic to wildlife and hazardous to water bodies, Cannot be digested by most lifeforms, otherwise little to no toxicity to most organisms; It is however known to be fatal to dogs and some birds, Recycling; Traces of zamak waste can be dissolved with nitric acid, followed by neutralization of leftover acid, recovering copper and zinc via electrowinning, Not useful; melts above 380 C and may fume, Low quality zamak may contain lead or cadmium which are harmful to the environment, Unless contaminated with hazardous compounds, it poses little danger to environment, Breaks down to zinc oxide, carbon oxides, water, acetone, acetic anhydride (?) To overcome this, you can use a freshwater foot-bath before the chemical foot-bath to get rid of any organic material. Efflorescent in air. Lists of various chemical compounds that can be safely released in the ground or down the drain can be found here, here or here. ), May give off hydrogen sulfide in the presence of water at high temperatures, Not required; Bleach can be used if desired. at high temperatures, Unless contaminated, good source of zinc for plants, though a bit too acidic; may lower soil pH, Breaks down to zinc oxide and carbon oxide at high temperatures, Unless contaminated, good source of zinc for plants, though a bit too alkaline, Gives off hydrochloric acid fumes if moist, Chlorides are dangerous for chloride-sensitive plants in large quantities, Sodium, potassium or ammonium carbonate/bicarbonate to precipitate zinc carbonate which is inert; recovery of alkali nitrates, dilution of zinc carbonate and poured down the drain, Decomposes to zinc oxide, releasing nitrogen dioxide and oxigen, May pose a threat to aquatic life in large quantities; may cause unwanted algal bloom; source of zinc and nitrogen to plants, Not required; Weak acids can be used to dissolve zinc oxide stains to soluble zinc compounds, Turns the oxide yellow at high temperatures; process is reversible, May pose a threat to aquatic life in large quantities, Precipitation with a soluble hydroxide; Reduction of perchlorate to chloride, Gives off chlorine oxide fumes, leaving behind zinc oxide slag; may decompose violently if organic contaminant present, Source of zinc and phosphorus for wildlife, Not always required; Zinc metal can be recovered through electrowinning and the diluted sulfuric acid neutralized with a base, Unless contaminated, is a good source of zinc for plants, Dissolving it in water, followed by precipitation of zirconium dioxide by adding an alkali, Potentially harmful; Nitrates may serve as nourishment for plants; Zirconium displays moderate toxicity, Decomposes releasing HCl and water vapors. Green precipitate of copper carbonate forms. Web site owner: However, this merely is a method to prevent the heavy metals from being released in the environment and is not a permanent way of disposal. Filter off green precipitate. Water soluble. They react as acids to neutralize bases. Nitrogen or nitrogen oxides. They react as acids to neutralize bases. Never add solid alkali bases in strong acids, as this will cause the acids to violently boil and splash acid everywhere. Decomposes at high temperatures to yield carbon oxides, water vapors, soot, VOCs, etc. Results in acidic fumes, which on contact with skin will lead to burns and death, Calcium fluoride is more inert than most fluorides and poses little toxicity to wildlife; occurs naturally, Any base, carbonate, bicarbonate; for gaseous form, ammonia can be used, though will result in a dense mist; sodium thiosulfate can be used for removing free bromine, DON'T! The decomposition works best in oxygen-rich atmosphere. It's not recommended to use zinc compounds obtained from technical sources as zinc supplements for soil or livestock, as it may contain traces of heavy metals, such as cadmium. It is used in the production of rayon, as a feed supplement, and as a fertilizer ingredient. alkali, Decomposes to molybdenum oxides and sodium hydroxide/oxide, Not useful; may convert to sodium nitrite, While it is a good source of nitrogen for plants, high levels of sodium are generally undesired in soils, Oxidation with sodium percarbonate, oxygen, ozone to nitrate; Thermal decomposition followed by conversion to sodium carbonate or sulfate, Decomposes to form sodium oxide/hydroxide and releases nitrogen oxides fumes, Unlike nitrates, nitrites are poor source of nitrogen for plants; High levels of sodium are generally undesired in soils; Nitrites are toxic for most animals, Not required for small amounts, dumped in trash. As such, this method is generally considered a last resort in disposal, and it's mostly used for cleaning rather than disposal. WebWhat are some products that contain zinc sulfate? A good rule of thumb for transition metals is to convert solutions of their ions to the insoluble carbonate or oxide, often one of the most stable and nontoxic forms of these elements, prior to disposal. Burning in air yields carbon oxides, water vapor, nitrogen; Pyrolysis yields, Results in carbon dioxide and water vapor, Little information about its environmental impact, Incineration, done outside; Oxidation with Fenton's reagent; Hot aqueous solution containing sodium hydroxide and sodium tetraborate, Displays moderate toxicity to aquatic life; can be degraded by some microorganisms, Gives off carbon dioxide and water vapors, leaving holmium(III) oxide behind, Gives off toxic fumes; may lead to detonation if temperature is too high, Diluted in lots of water, followed by slow addition of a solution of calcium hypochlorite, Decomposes, gives off toxic fumes; may lead to detonation if temperature is too high, Will lead to detonation for concentrated solutions, Any base, carbonate, bicarbonate; sodium thiosulfate can also be used, Boils off the acid, resulting in extremely toxic and corrosive fumes; will lead to decomposition to elemental bromine, Any alkali or alkaline-earth carbonate, bicarbonate, DON'T! The amount-of-substance concentration of this volumetric solution is determined with standardized titriplex-III solution (article number 1.08431). Discard solution down the drain. Sarcosine. Copper and Zinc have specific discharge limits Piranha solution is an excellent material for the disposal of organic compounds. However, chromic acid will (violently) oxidize alcohols to their respective aldehydes or ketones, which cannot be oxidized further by the acid alone, which limits it's use in neutralizing many compounds. Section 13 - Disposal Considerations Dispose of in a manner consistent with federal, state, and local regulations. Before neutralizing them, always dilute the acid first, to limit splashing or boiling the acid. Zinc Sulfate Injection, USP is a sterile, non-pyrogenic, clear, colorless, and odorless solution intended for use as a trace element and an additive to intravenous solutions for parenteral 12 CLINICAL PHARMACOLOGY 12.1 Mechanism of Action - Zinc is an essential trace element. Mineral acids and bases should be neutralized to pH5.5 to 9 range before disposal, following approved procedures. Eliminate all ignition sources. WebIf Zinc is spilled, take the following steps: f Evacuate personnel and secure and control entrance to the area. Measurement uncertainty 0.0003 mol/L. Anhydrous zinc sulfate is a colorless crystalline solid. WebSaline solution. APADAZ, HYSINGLA ER, NORCO, REPREXAIN, VICODIN, VICODIN ES, VICODIN HP, VICOPROFEN, ZOHYDRO ER. WebPlace the mixture in a container such as a sealed plastic bag; Throw away the container in your trash at home; and Delete all personal information on the prescription label of The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. Dispose of contents/container in accordance with local/regional/national/international regulation. Zinc Sulfate -> 10-20% including trade names and synonyms. Slow decomposition in a large volume of water or alcohol, Decomposes to release acetic acid, hydrogen, Harmful, will increase the boron concentration in soil or water, Melts; Decomposes releasing carbon dioxide and water vapor at high temperatures, Safe, nourishment for organisms, though harmful for bacteria, Recycling; Traces of stainless steel waste don't require chemical neutralization as SS is sufficiently inert that it can't do any significant damage to the environment. Most chemicals used by the amateur chemist come from every day use and do not require special treatment before being discarded in the usual way. Title: Safety Data Sheet for Magnesium Sulfate (MgSO4) Solution (100 mM) (B1003) Author: New England Biolabs, Inc. Other: See actual entry in RTECS for complete information. The concentration is determined by volumetric titration and refers to 20C. All are noncombustible. ALWAYS POUR THE ACID IN WATER AND NOT THE OTHER WAY AROUND! Currently there are nine products Section 12 - Ecological Information Other: Do not empty into drains. Nickel-containing compounds, especially organonickel compounds, are carcinogens, and are also dangerous to many other forms of life. Bis(ethylenediamine)copper(II) perchlorate, N-(1-Naphthyl)ethylenediamine dihydrochloride, http://woelen.homescience.net/science/chem/exps/rules.html, http://www.atsdr.cdc.gov/toxprofiles/tp187-c5.pdf, http://link.springer.com/article/10.1007%2FBF02318626, http://pubs.rsc.org/en/Content/ArticleLanding/2007/EM/b709571f#!divAbstract, Chemical Technology and Emission Control, 2012, M.B. Acids are best neutralized with a base, such as carbonate/bicarbonate, hydroxide (calcium hydroxide e.g.) The resulting block can also be covered in another layer of cement, to reduce the diffusion of the heavy metals. Halogenated compounds like chloroform can be neutralized with a strong base, although this neutralization should not be done without safety precautions. Do not treat the written disposal guidelines as absolute. It may be necessary to contain and dispose of ferrous sulfate as a HAZARDOUS WASTE. For this reason, contact your state Department of Environmental Protection (DEP or your regional office of the federal Environmental Protection Agency (EPA) for specific recommendations. (4) Wear PPE appropriate for handling the material. Dissolve the barium salt in the minimum volume of water. Generally, the soil option is safer, because there is no plumbing you should worry about, but some chemicals shouldn't be released into the soil, either. If you live in a suburban house, you have both. Use water spray to keep fire-exposed containers cool. Zinc Sulfatereacts violently with PHOSPHORUS and FINELY DIVIDED ALUMINUM or MAGNESIUM. Zinc Sulfate is not compatible with STRONG BASES (such as SODIUM HYDROXIDE and POTASSIUM HYDROXIDE). IF IN EYES: Rinse cautiously with water for several minutes. Chromic acid and it's derivatives can also be used to destroy hazardous chemical compounds, as it neutralizes them to carbon dioxide and water. Evacuate personnel and secure control entrance to the area. This page was last modified on 8 November 2022, at 18:53. Corrosive and dangerous on direct contact with wildlife; Reaction with water will lead to phosphoric acid, highly corrosive and dangerous. in the table below are harmless and even useful in agriculture as fertilizers. It is a good idea to dispose of aluminium sulfate and a safe basic compound (such as calcium carbonate) at the same time. Unless the concrete is damaged, broken or dissolved in acid, the heavy metal ions will not be released. Bases may be reused to absorb acidic vapors in a desiccator, which mitigates their dangers. Contact the Office of Environmental Health at 255-4862 or the Office of Life Safety Services at 255-8200 prior to discharging any copper or zinc. Materials listed below in quantities up to about 100 g or 100 ml at a time are suitable for disposal down the drain while flushing with excess water. Cyanides must never be poured down the drain before neutralization. cooking salt) activates the etch by diminishing the bond with water. The resulting cyanates will slowly hydrolyze in basic environment to ammonium carbonates, while excess bleach/oxidizer will further convert them to nitrogen and carbon dioxide. In the interest of keeping lab costs low, though, it may be a good idea to look into ways to recycle and recover chemicals such as solvents, which can be reclaimed by distillation. Web2. Oxidizing mixtures, such as aqua regia, piranha solution or the nitrating mixture must also never be poured down the drain, as they're much more dangerous than simple acids, and can wreak havoc on your plumbing. NaOH; Oxidation with Fenton's reagent, Burns and decomposes to release combustion gasses and soot, may explode, Extremely toxic to the environment, especially for animals, Careful and controlled destruction using an oxidizing solution, Burns and decomposes to release combustion gasses and soot, Dissolved in a more flammable solvent and incinerated. WebWastes with limited sink/sewer disposal. Any drug that contains the word hydromorphone. Traceability NIST SRM. Sodium ascorbate. Ingestion can cause irritation or corrosion of the alimentary tract. Will lead to extremely dangerous and corrosive fumes, which will decompose, resulting bromine vapors, Corrosive to organisms and rocks; Bromides have little effect to wildlife, Any base, carbonate, bicarbonate; for gaseous form, ammonia can be used, though will result in a dense ammonium chloride mist, Corrosive for rocks, toxic for all wildlife, Absorbtion in water, base, followed by oxidation with hydrogen peroxide, bleach, sodium thiosulfate to less harmful compounds, continued by oxidation to carbon dioxide and nitrogen gas, Burns if ignited, but excess oxygen is required for complete burning, Calcium hydroxide, carbonate, bicarbonate; for gaseous form, excess ammonia can be used, though will result in a dense ammonium fluoride mist; further treatment with calcium hydroxide, carbonate will convert it to the more safe CaF, Corrosive for all life, inorganic materials, toxic for all wildlife, Any base, carbonate, bicarbonate; for gaseous form, ammonia can be used, though will result in a dense mist; sodium thiosulfate can also be used, DON'T! Zinc Sulfateis a colorless, odorless, crystalline powder. It is used in making rayon, as a wood preservative, and as an analytical reagent. It is also used as a dietary supplement, and in herbicides, water treatment, fireproofing, deodorant, cosmetics and fertilizers. Reasons for Citation WebTests showed that a solution made up from equal parts of copper sulfate and sodium chloride (i.e. For the disposal of large amounts of hazardous reagents or for special reagents, ask the help of professional hazardous chemical disposal entities. Products containing zinc sulfate can be granular, pelleted, tableted, wettable powders, or dusts. SDS (Sodium Dodecyl Sulfate) (up to 1-25% concentration) Sodium carbonate/Sodium hydrogen carbonate. An alcohol burner can be used to burn these liquids. Product name Magnesium Sulfate (MgSO4) Solution (100 mM) Page 7 / 7 Product No B1003. Conversion to mercury(II) sulfide; Taken to hazardous waste disposal centers; Decomposes over 165 C to yield a residue known as "Pharaoh's snake", as well as sulfur oxides and mercury vapors, Will give off carbon dioxide and water vapor, as well as some formaldehyde if not enough oxygen, Decomposes giving off carbon oxides, sulfur oxides, nitrogen, water, soot, VOCs, May be harmful to microorganisms, fauna and water bodies, Reduction with a reducing agent, such as sodium sulfite; Test for peroxides after neutralization; If no peroxides present, incineration or other proper disposal method, Dangerous to wildlife in high concentrations; Occurs naturally in low concentrations, Decomposes giving off carbon dioxide, nitrogen, water vapors, VOCs, PAHs, Low toxicity to environment in small amounts, Classified as hazardous to environment and ground water, Decomposes giving off carbon dioxide, sulfur oxides, nitrogen, water, hydrogen chloride vapors, VOCs, PAHs and other harmful compounds, May be harmful to microbial life, fauna and water bodies, Will burn at high temperatures, releasing carbon oxides, water vapors and soot, Oils float on water bodies and inhibit the cellular breathing of many organisms, Mixed with a flammable solvent and burned, Decomposes, releases combustion gasses, VOCs, Dangerous to wildlife due to nickel and chromium content, Decomposes giving off carbon oxides, nitrogen, water, soot, VOCs, Oxidation with an oxidizing solution, such as Fenton's reagent, piranha solution or chromic acid, Decomposes, releasing carbon oxides, nitrogen oxides, water vapors, PAHs, soot, Possibly harmful for the environment; little data available on its environmental effects, Generates carbon oxides, water vapor, sulfur oxides, soot and nitrogen, Harmful to wildlife; Nitrification inhibitor, slows the nitrification of ammonia, Mixed with a more flammable solvent, followed by incineration outside or in an incinerator; Oxidation with Fenton's reagent under controlled conditions, Gives off toxic fumes or carbon dioxide, nitrogen oxides, VOCs, Long-chained alcohols, diluted with an alkane, Pyrophoric, both alloy and reaction products corrosive to wildlife, Incineration, best done in an incinerator with afterburner; Oxidation with Fenton's reagent, Generates carbon dioxide, water vapors, carbon monoxide, soot, VOCs, Poured down the drain; oxidized with a strong oxidizing solution, neutralized then poured down the drain, May be harmful to microorganisms, fish in water bodies, Pyrolysis, followed by recycling of Nd slag, Gives off carbon oxides, leaving neodymium oxides and hydroxides behind, Presents toxicity to wildlife due to the oxalate group, Sublimes and decomposes, releasing carbon oxides, water vapors, soot, pyridine derivatives, Low toxicity, essential nutrient for life, Nickel and chromium are harmful for wildlife, Nickel is very toxic for animals; hydrazine is very toxic to environment, Strong dilution in water, followed by CAREFUL addition of a diluted base; precipitation of nickel, Nickel is harmful for animals; hydrazine is very toxic to environment; perchlorates are toxic for animals and plants, Precipitation with a soluble hydroxide; precipitate should be taken to disposal centers, Gives off nitrogen oxide fumes, leaving behind nickel oxide slag, Reduction of perchlorate to chloride; Precipitation with a soluble hydroxide; precipitate should be taken to disposal centers, Gives off chlorine oxide fumes, leaving behind nickel oxide slag; may decompose violently if organic contaminant present, Gives off sulfur oxide fumes, leaving behind nickel oxide slag, Generates carbon oxides, water vapors, soot, VOCs and toxic nicotine vapors, Deadly to small animals, toxic and addictive to large organisms; absorbs through skin; biodegradable, Any base, hydroxide, carbonate, bicarbonate, Boils off, while also giving off nitrogen dioxide fumes, Corrosive to organisms and rocks; its salts are excellent nitrogen source for plants, Oxidizes to nitrogen dioxide in air, which is highly toxic and corrosive; creates acid rain, Generates carbon oxides, water vapor, soot and nitrogen, Controlled incineration; Hydrolysis with aqueous alkali hydroxide, Breaks down to release combustion gasses and self-ignites at 160 C, No; however it can be converted to fertilizer by adding aqueous ammonia, Breaks down in the presence of water to give nitric acid, which, after neutralization becomes source of nitrogen for plants, Burns giving off carbon oxides, water vapors and nitrogen gas, Bubbling through an alkali solution, peroxide solution, Reacts with air moisture to generate nitric acid and contributes to the acid rain; extremely toxic to animals and plants, Photolysis; Hydrolysis with hot water; Reduction with sodium thiosulfate, Detonation, giving off corrosive iodine vapors, The iodine vapors it gives off during decomposition are dangerous to organisms in short term, Safe, nitrogen source for plants, used as fertilizer; Guanidine derivates occur in guano, Slow addition to water, followed by neutralization with dil. Wear nitrile rubber gloves, laboratory coat, and eye protection. Slowly add the base in the diluted acid, and watch out for foaming or, if it's a strong acid, boiling. Hydration, followed by recycling, dumping in trash, ground, etc. Occurs naturally; effects on the environment unknown, Precipitation with a base; Taken to waste disposal centers, Sublimes; Water solutions however will give off hydrogen chloride vapors, Lowers the soil pH, corrosive; Toxic to organisms, Taken to hazardous waste disposal centers, Dissolution in water; Reduction with sodium thiosulfate, sulfite, metabisulfite, Very careful neutralization with a base to non-volatile arsenic compounds, then taken to hazardous waste disposal centers, Extremely toxic to the environment and all life, At temperatures over 1000 C it turns into harmless silicate glass, Burns releasing carbon dioxide, water vapors, soot; may explode at high concentrations and high temperatures, Toxic to animals, parasitic worms, small animals; Occurs naturally, Not useful, already byproduct of incineration, Safe, biodegradable, good source of potassium for plants; Coal ash however, is harmful and contains heavy metals and other impurities; Volcanic ash is abrasive and extremely harmful for the lungs, Will decompose at high temperatures, releasing carbon oxides, water vapors and soot, Poured down the drain or in trash; Can be destroyed using a strong oxidizing mixture for complete neutralization, At very high temperatures decomposed to barium oxide and releases carbon dioxide, Addition of a soluble sulfate, such as sodium, potassium or magnesium sulfate, Decomposes releasing acetone, carbon dioxide, water, leaving behind barium carbonate, Acidified sodium nitrite, nitrous acid; precipitation of barium sulfate with sodium sulfate, Melts and explodes above 160 C releasing nitrogen and barium oxide, May react with acid rain to release soluble barium ions; Occurs naturally, Reduction with a reducing agent, such as sodium bisulfite, sodium metabisulfite, sodium sulfite, followed by oxidation in open air to sulfate; Addition of excess soluble sulfate to remove any soluble barium ions, Disproportionates into perchlorate and chloride when alone; Burns when mixed with a flammable material, Precipitation of barium, reduction of Cr(VI) to Cr(III), Carcinogenic, toxic for environment and wildlife, Breaks down to barium and iron oxides, which require further disposal, Dangerous to wildlife in short term (oxidizer); Releases toxic barium ions in environment, Diluted cooled hydrogen peroxide solution; addition of sodium sulfate, Decomposes to disodium phosphate and phosphine, Harmful to organisms, especially aquatic ones; soluble barium compounds are toxic, Breaks down into barium and manganese oxides, Toxic to wildlife in short term (oxidizer); Will release toxic barium ions in the environment, Sodium sulfate, potassium magnesium sulfate, sulfuric acid, Breaks down into barium oxide, releasing nitrogen dioxide and oxygen, Toxic to wildlife, due to the soluble barium ions, Precipitation with sodium sulfate; Oxidation to nitrate, Breaks down to barium oxide, oxygen and nitrogen oxides at high temperatures, Toxic to wildlife in short term; nitrites are toxic, Sulfuric acid, aq.