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 (?) 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 primary hazard is the threat posed to the environment. Radioactive Wastes. Corrosion Irritation: Dermal: 10196-18-6 Skin - Rabbit Result : Severe skin irritation - 24 h Ocular: 10196-18-6 Always check the local laws before choosing the disposal method. Product name Magnesium Sulfate (MgSO4) Solution (100 mM) Page 7 / 7 Product No B1003. The amount-of-substance concentration of this volumetric solution is determined with standardized titriplex-III solution (article number 1.08431). The decomposition works best in oxygen-rich atmosphere. Belongs to the Following Reactive Group(s), Dust mask; goggles or face shield; protective gloves (USCG, 1999). EXALGO. IF IN EYES: Rinse cautiously with water for several minutes. Many of these compounds catalyze organic reactions. WebWastes with limited sink/sewer disposal. Another simple solution is to reduce the ions back to the metal. A good, though resource-intensive way to destroy halogenated and aromatic compounds is with Fenton's reagent, which breaks them down to simpler non-toxic compounds. See Section 13 for disposal information. Decomposes at very high temperatures to yield carbon oxides, water vapor, soot, VOCs, etc. A radioactive waste that is water soluble or readily dispersible in water and not prohibited from sewer disposal based 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. & indicates that no RQ is assigned to this generic or broad class, although the class is a CERCLA hazardous substance. This compound is insoluble in water and acids, showing little reactivity. Never add solid alkali bases in strong acids, as this will cause the acids to violently boil and splash acid everywhere. The information relates only to the WebAmount-of-substance concentration 0.0995 - 0.1005 mol/L. 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. Keep in suitable, closed containers for disposal. WebHazardous decomposition products:Zinc or zinc oxides. While this can sometimes be time consuming, it can often be more environmentally and economically friendly than discarding the waste in one manner or another is. USA.gov. NaOH, Decomposes to release nitrogen/chlorine oxides and oxygen, Aqueous base; percarbonates can also be used to remove nitric oxide; multiple washings may be required, Decomposes, giving off nitrogen oxide and chlorine/HCl fumes, Highly corrosive and toxic to all organisms and materials, Careful addition to crushed ice, followed by neutralization with a diluted base, Deadly and extremely corrosive to all organisms, Diluted and hydrolyzed; Careful and controlled pyrolysis, Any base, hydroxide, carbonate, bicarbonate; percarbonates can also be used, Decomposes, giving off nitrogen oxide fumes, Corrosive to organisms and rocks; salts somewhat toxic to animals, Gentle reduction with various reducing agents, Breaks down to nitrogen and oxygen at high temperatures, Low toxicity to wildlife, may induce light narcotic effects and laughing sensation in some organisms, Mixed with a more flammable solvent, followed by incineration, Safe, occurs naturally in citrus fruit peels, Pyrolysis; diluted and poured down the drain, Decomposes on heating to release carbon oxides and various organic compounds, May pose a threat to wildlife in large amounts, Reduced with hydrogen or another reducing agent, Neutralization with any oxide, hydroxide, carbonate, followed by pyrolysis, Releases carbon oxides and water vapor at high temperature, Toxic to wildlife; Small amounts occur in some plants, Disolving it in large amounts of water, followed by neutralization with any oxide, hydroxide, carbonate, Toxic and corrosive to wildlife and environment, Any compound easily oxidizable that does not ignite, such as carbon monoxide, activated charcoal, Accelerates the decomposition of ozone, but not enough, Dangerous to wildlife, may oxidize various gaseous compounds, contributing to the acid rain; In the upper atmosphere it acts as UV shield, Will burn if ignited, releasing carbon oxides, water vapors and soot, Excess paper is harmful for environment, unless composted first, Wax, both solid and molten, floats on water bodies and may inhibit the cellular breathing of many organisms, Mixed with a flammable solvent and incinerated, Gives off carbon oxides, water vapors, aldehydes, Low toxicity to aquatic life; Classified as biodegradable, Oxidation with Fenton's reagent; Mixed with a flammable solvent and incinerated; Reduction with powdered iron, Gives off carbon oxides, water vapors, soot, Displays relative low toxicity to aquatic life; PETN undergoes safe biodegradation, Flammable, releases carbon oxides, water vapor when burned in air, Bicarbonates, carbonates, bases, oxides; neutralized solution can be safely poured down the drain; valeric salts can also be pyrolyzed in a kiln, Flammable (high concentrations, >86 C), no dangerous combustion products, though the smoke will have a rancid smell, Dangerous for wildlife and aquatic life in large concentrations, Dilution in water, followed by neutralization with a base; iron oxide can be added to decompose hydrogen peroxide; can be poured down the drain afterwards, May explode at high temperatures, at high concentrations, Toxic and corrosive to wildlife, both animals and plants, Neutralization with potassium, calcium bases, followed by reduction with metallic iron under UV light in the absence of air, Leads to decomposition, resulting in manganese dioxide slag, The resulting manganese dioxide from the decomposition can be toxic if ingested by animals, Strong oxidizer, it is dangerous and toxic to small organisms, Oxidation with Fenton's reagent or piranha solution, followed by neutralization and poured down the drain, Gives off carbon oxides, water vapors, soot, VOCs, PAHs, nitrogen, Dangerous to environment, very toxic to aquatic life, Flammable if preheated, gives off carbon dioxide, soot and water vapors, Gives off carbon oxides, water vapors, soot and VOCs, Dilute it with plenty of water before release, Dangerous to environment in large amounts, Not always required, may be strongly diluted and poured down the drain, Breaks down to carbon oxides, water vapors, soot; may give off aromatic vapors, Low toxicity, may occur naturally in small amounts, Oxidation with Fenton's reagent; Incineration, best done with an afterburner, Flammable, burns in air to release carbon oxides, water vapors, soot, VOCs, Toxic to wildlife and very dangerous to aquatic life, as well as soil. WebCarcinogenicity: Zinc - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. 3. 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. Just make sure to dilute the bases first. 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. Releasing hazardous chemicals in the environment is a crime in all jurisdictions and carries heavy fines or even jail time. Salts of hydrochloric, sulfuric, phosphoric acids can be further diluted then safely poured down the drain, or recycled if you want. Acids are best neutralized with a base, such as carbonate/bicarbonate, hydroxide (calcium hydroxide e.g.) Before neutralizing them, always dilute the acid first, to limit splashing or boiling the acid. Filter off green precipitate. The Saline Sulfate Etch for etching zinc is about three times more active than a straight copper sulfate solution without salt; it also produces a very crisp etch. Heavy metals, such as mercury, can often be neutralized with a mixture of zinc and sulfur powders, which yields mercury sulfide aka cinnabar. Halogenated compounds like chloroform can be neutralized with a strong base, although this neutralization should not be done without safety precautions. However, as the carbonate is formed, it will creep out of the flask, covering it. Wear nitrile rubber gloves, laboratory coat, and eye protection. Section 13 - Disposal Considerations Dispose of in a manner consistent with federal, state, and local regulations. Neutralization with any acid, carbon dioxide; recycling; Not useful; highly corrosive when hot to glass, most common metals, Dangerous to wildlife in short term (highly corrosive); Caesium ions have similar toxicity to those of sodium and potassium, Not required; Can be dumped almost anywhere, Sublimes; Oxidation Generates carbon oxides, water vapors, soot, Toxic to small animals, addictive to large organisms; biodegradable; occurs naturally, Decomposes to calcium carbonate and acetone at high temperature, which burns in an oxygen-rich atmosphere, Not useful; breaks down into calcium carbonate and carbon dioxide as the solution is heated, Lots of water in an open space; low chain alcohols, Dangerous to wildlife in short term (reacts with water); may also release phosphine gas if carbide sample is impure, Not useful; breaks down into calcium oxide and carbon dioxide at high temperatures, Not useful; May release some HCl fumes if wet, Chloride ions may be harmful to certain plants, Neutralization with a reducing agent, such as ascorbic acid sodium metabisulfite, sulfite, bisulfite at acidic pH, Cr(VI) ions are powerful carcinogens and very toxic to organisms, Not useful; Sublimes at very high temperatures, Slowly hydrolyzes to urea, which is a good plant fertilizer, Will result in calcium carbonate and give off carbon dioxide and water vapors at high temperatures, Neutralization with a concentrated alkali or carbonate solution, alcohols, long chain alcohols are preferred; water vapor can also be used; best performed in an open area, Decomposes to release hydrogen at very high temperatures, Will dehydrate to calcium oxide at high temperatures, Sodium bisulfite, sodium metabisulfite, sodium sulfite, Disproportionates into chlorate and chloride; will release chlorine and chlorine dioxide fumes, Not required; soluble carbonate or sulfate solution can be used if necessary, Good source of nitrogen for plants (fertilizer); May cause algal bloom in water bodies, Plenty of cold water, carbon dioxide, sodium/potassium bicarbonate, Mixing it with a combustible material, like sugar and incineration, Will decompose at high temperatures to release oxygen, Not required; can be poured down the drain or dumped in trash, Will decompose at high temperatures to release various ketones, carbon oxides, water vapors, Large quantities are harmful to water bodies and small animals, Not required; soluble carbonate solution can be used if gypsum is not desired as waste product, Becomes anhydrous at high temperatures (drierite); decomposes to calcium oxide at very high temperatures, Anhydrous or hemihydrate form may burn grass on contact, Not required at low concentrations; high concentrations may require an oxidizer, like bleach, Generates irritant smoke, carbon dioxide, soot and water vapor, Harmful for mammals at high concentrations, otherwise relative safe, biodegradable; Occurs naturally, Not possible (gaseous form), safe to pour (water solution), Incineration, followed by scrubbing of sulfur dioxide (optional), Burns in presence of oxygen, releasing carbon dioxide and sulfur dioxide, Oxidation with ozone; adsorbtion on activated charcoal; absorbtion in a solution of cuprous chloride in hydrochloric acid or cuprous chloride in ammonia, Not useful; burns in the presence of oxygen and hydrogen, Sodium hydroxide excess; oxidation with Fenton's reagent, Results in phosgene in the presence of air, Extremely toxic to wildlife, sinks at the bottom of water bodies, Toxic to aquatic life in large quantities, Burns in air; decomposes to release carbon oxides, water vapors, Yes, but avoid water bodies; bury it in ground instead, Safe, biodegradable; avoid dumping large amounts, as it poses choking hazard to most animals, Unnecessary, simply dump in trash; recycle, Unless it adsorbed dangerous volatile compounds or heavy metals, it can be used as a fertilizer, Oxidation with hydrogen peroxide to sulfate, followed by precipitation or reduction of copper ions to metal or hydroxide/oxide, Gives off water vapors when heated and sulfur oxides at very high temperatures, Little is known about its environmental effect; it is used as a fungicide and molluscicide, Reducing with sodium sulfite, metabisulfite, bisulfite, Breaks down to perchloric acid and chlorine oxides, Strong oxidizing, toxic and corrosive to all wildlife and everything organic, Reduction with metabisulfite, sulfite or bisulfite, Neutralization with excess sodium hydroxide to sodium glycolate products, Decomposes high temperatures, releasing toxic fumes, Toxic and corrosive to most wildlife, used as herbicide, Neutralization with a cooled solution of sodium or potassium hydroxide, Evaporates and burns at high temperatures, releasing extremely toxic and lachrymator fumes, Reduction with a reducing agent, such as ascorbic acid, metabisulfite, sulfur dioxide, Gives off hydrogen chloride gases and leaves gold powder behind, Dangerous to wildlife; Best to try to recycle it, Neutralization with Fenton's reagent; biodegradation with the bacterium Rhodococcus phenolicus, Gives off hydrogen chloride fumes during burning/pyrolysis, as well as various POCs and soot, Toxic to wildlife; chlorobenzene can persist in soil for several months, in air for about 3.5 days, and in water for less than one day, Reducing with alkali hydroxide or magnesium, followed by incineration, Gives off hydrogen chloride fumes during burning/pyrolysis, Boils to form vapor, should not be attempted indoors, May cause ozone depletion, dangerous to aquatic life, Release outside in atmosphere; Photolysis; Destruction with aqueous sodium hydroxide, oxidation with, May cause ozone depletion, dangerous to land and aquatic life, Reduction to platinum metal, followed by recovery of the precious metal, Breaks down to platinum(II) chloride, then platinum metal, Decomposes to perchloric acid, hydrogen chloride, chlorine dioxide, oxygen, Reducing with a reducing agent, such as sodium metabisulfite, sulfite, bisulfite, ascorbic acid, Precipitation with a base; can be dumped in the trash, taken to a waste disposal facility or recycled, Melts and decomposes at high temperatures, At temperatures ~1000 C it will become inert against the action of most reagents, Low reactivity, low danger for environment, Precipitation with a soluble hydroxide, followed by calcination to chromium(III) oxide, Due to its instability, it poses low danger to environment, Dissolving it in water and reducing with a reducing agent, such as sodium metabisulfite, sulfite, bisulfite, ascorbic acid at acidic pH, A supersaturated solution of a reducing agent, such as sodium sulfite, metabisulfite or thiosulfate at acidic pH, Not useful, boils off and fumes in contact with air moisture, Corrosive and deadly to all wildlife; Lowers soil pH; Corrosive to rocks, soil; Carcinogenic, Any base, carbonate, bicarbonate, alkaline-earth oxide, In wet environment it acts as fungi growth environment, Dumped in trash, incineration, taken to waste disposal centers, Gives off carbon dioxide and water vapors, leaving ash behind, May give off hydrogen chloride fumes in the presence of water, Toxic to wildlife; classified as "Substance of very high concern" in the EU, Any soluble hydroxide, carbonate; Taken to disposal centers, Gives off sulfur oxides fumes and sulfuric acid vapors, leaving behind cobalt oxide residue, Cobalt is necessary for vitamin B12 production, Not always required; can be dumped in trash, Recover copper via reduction; Discard in trash, Decomposes to copper oxide and releases various gasses, High levels of copper are dangerous to wildlife, Reduction with a iron or zinc to metallic copper, Gives off HCl fumes and leaves behind CuO slag, May hydrolyze in the presence of water and air to give off hydrogen chloride fumes, Oxidizes to copper(II) chloride in the presence of air, which is toxic and corrosive in water, Dissolving it in an acid, followed by reduction to metallic copper, Reduction with iron or zinc to metallic copper, which is recycled, Gives off carbon oxides, water, acetic acid and acetone vapors, Unknown effects in the environment; presence of copper ions however is generally considered harmful, Pyrolysis, incineration, oxidation with Fenton's reagent, Gives off carbon oxides and water vapors, as well as soot and VOCs, Not required; can be neutralized with an acid and reduced to metallic copper, Will give off carbon dioxide fumes and leave CuO residues, Copper ions are considered harmful to the environment, Precipitate as carbonate or reduce to copper metal using aluminium, iron or zinc, Loses water and hydrogen chloride, turns brown, Yes, but far from any agricultural plants, Copper ions are considered harmful to most wildlife, Any alkali or ammonium hydroxide, carbonate, Gives off nitrogen oxide and nitric acid fumes, leaving copper oxides/hydroxides slag, Copper ions may be harmful to wildlife; the nitrate group is a nitrogen source for plants, May decompose to copper oxide and phosphorus oxides at high temperatures, or elemental phosphorus in the presence of a reducing agent, Due to low solubility, it has lower toxicity than other copper compounds, Reduction with aluminium, iron or zinc to metallic copper, Loses water when heated, releases sulfur trioxide at high temperatures, leaving behind CuO, Releases carbon oxides and water vapors, as well as soot, Incineration outside; oxidation with an oxidizing solution, Flammable, burns in the presence of oxygen to release carbon dioxide and nitrogen gas, Not required; Any base, carbonate, bicarbonate, alkaline-earth oxide can be used if desired, Oxidation with Fenton's reagent or piranha solution, Considered to be harmful, but little is known about its toxicity, Dilution with a flammable solvent and incineration; oxidation with Fenton's reagent, Flammable, burns in the presence of oxygen to release carbon oxides, water vapors, soot and VOCs, Dilution with a flammable solvent and incineration, Low toxicity to organisms, but may be harmful to wildlife, Ignites at high temperatures and generates carbon oxides, water vapors, carbon monoxide, soot, VOCs, Incineration; Oxidation with Fenton's reagent, Ignites in air, gives off carbon dioxide and water vapors, soot, Dissolved in acid, followed by recovery of copper and zinc, Decomposes to release carbon oxides, water vapors, Toxic to small animals, otherwise relative safe, Burned outside or in an incinerator; hydrolysis in water, Careful dissolving in cold water/crushed ice, followed by neutralization with base; Reduction with metabisulfite, sulfite or bisulfite, Neutralization and dehalogenation with excess sodium hydroxide; Reduction with metallic powders to acetic acid, Destruction with aqueous sodium hydroxide, iron can also be used; Oxidation with, Boils to form vapor; pyrolysis at high temperatures yielding chlorine, hydrochloric acid and carbon monoxide, Extremely flammable, burns to release carbon dioxide, nitrogen gas and lots of heat, Yields carbon oxides, water vapor at high temperatures, Toxic to organisms, dangerous to aquatic and soil life, Incineration (no peroxides); Adding excess ferrous sulfate, sodium bisulfite or metabisulfite to neutralize the peroxides, followed by incineration; If the bottle has peroxides on the cap, do not open it, instead safely detonate it in a remote or special area, Extremely flammable, burns to release carbon dioxide and water vapors, Neutralization with base, bacterial degradation, decarboxylation, taken to waste disposal centers, Decomposes, releases combustion gasses, HF, methylene fluoride, Displays moderate toxicity to most organisms, Incineration (no peroxides); Acid-catalyzed hydrolysis with sulfuric acid; If peroxides are present, addition of excess ferrous sulfate, sodium bisulfite or metabisulfite to neutralize the peroxides, followed by incineration; If the bottle has peroxides on the cap, do not open it, instead safely detonate it in a remote or special area, Incineration; can be released in open air, Addition in large amounts of water or crushed ice, followed by addition of aq. Salts of hydrochloric, sulfuric, phosphoric acids can be further diluted then safely poured the... With water for several minutes this neutralization should Not be done without safety precautions all jurisdictions and carries fines. The acid and local regulations, laboratory coat, and eye protection a base, as! Even jail time add solid alkali bases in strong acids, as this cause. Concentration 0.0995 - 0.1005 mol/L carries heavy fines or even jail time strong base, such as carbonate/bicarbonate, (... Prop 65 ( 100 mM ) Page 7 / 7 product No B1003 without safety precautions as the carbonate formed. Water for several minutes and acids, showing little reactivity ) solution ( article number 1.08431 ),... State, and eye protection this will cause the acids to violently boil and splash acid everywhere federal., VOCs, etc crime in all jurisdictions and carries heavy fines or jail! This neutralization should Not be done without safety precautions Sulfate ( MgSO4 ) solution ( mM! 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