ABCDEFGHIJKLMNOPQRSTUVWXYZ
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Chemical NameShelf-LifeDisposal
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Bottled Gas Storage.
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Carbon Dioxide GasIndefiniteEmpty in fume hood/landfill
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Helium GasIndefiniteEmpty in fume hood/landfill
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Nitrogen GasIndefiniteEmpty in fume hood/landfill
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Oxygen GasIndefiniteEmpty in fume hood/landfill
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Sulfur Hexafluoride GasIndefiniteEmpty in fume hood/landfill
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9
Inorganic Group 1 Metals:
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Aluminum IndefiniteLandfill
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BismuthIndefiniteLandfill
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Brass Sheet IndefiniteLandfill
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Calcium
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Copper (not powdered)IndefiniteLandfill
15
Gallium (metal ingot only)Poor; moisture sensitive.recycle/scrap
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Iron Fillings ExcellentLandfill
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Iron PowderGood if kept dryLandfill
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Lead (not powdered)IndefiniteHazardous Waste
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Magnesium (turning or ribbon only, no powder)IndefiniteLandfill
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ManganeseIndefiniteLandfill
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Metal Electrode Set
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Nichrome WireIndefiniteLandfill
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Nickel (metal ingot only) (No Powder)recycle/scrap
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Platinum WireIndefiniterecycle/scrap
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SiliconIndefiniteLandfill
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Silver FoilIndefiniterecycle/scrap
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Sodium (Restricted Use)GoodProcedure
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Steel, ShotIndefiniteLandfill
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TinIndefiniterecycle/scrap
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Zinc (Zinc Mossy)IndefiniteLandfill
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Inorganic Group 2 Other:
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Ammonium ChlorideFair to poor; hygroscopicLandfill
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Ammonium CitrateIndefiniteLandfill
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Ammonium FluorideFair to poor; substance is deliquescentProcedure
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Baking PowderGoodLandfill
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Barium Chloride IndefiniteProcedure
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Bismuth TrichloridePoor, deliquescent.Landfill
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Calcium Chloride GoodDrain Disposal >100 grams/day
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Calcium FluorideIndefiniteLandfill
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Cesium ChlorideSomewhat hygroscopicLandfill
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Copper I (Cuprous) Chloride Fair; changes on exposure to air and light.Landfill
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Copper II (Cupric) BromidePoor; substance is deliquescent.Landfill
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Copper II (Cupric) Chloride Poor; substance deliquescent; Landfill
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Fehlings Solution AFairDrain Disposal >100 grams/day
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Iodine (aqueous) controlled substance paperwork required
Fair; the substance sublimes. Procedure
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Iodine (solid) controlled substance paperwork requiredFair; the substance sublimes. Procedure
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Iron II (Ferrous) ChloridePoor; substance deliquescent and easily oxidizedLandfill
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Iron III (Ferric) Ammonium CitratePoor; substance deliquescent; affected by light;Landfill
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Iron III (Ferric) ChlorideFair to poor; substance hygroscopicLandfill
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Lithium ChlorideFair to poor; substance deliquescent; one of the most hygroscopic substancesLandfill
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Magnesium BromideFair to poor; very deliquescent substance; Landfill
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Magnesium ChlorideFair to poor; substance deliquescentLandfill
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Manganous ChlorideFair to poor; substance deliquescentHazardous Waste
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Neodymium Chloride SolutionGoodDrain Disposal >100 grams/day
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Nickel ChlorideDeliquescentHazardous Waste
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Potassium BitartrateIndefiniteLandfill
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Potassium BromideSomewhat hygroscopicLandfill
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Potassium ChloridePoor; hygroscopicLandfill
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Potassium FlourideFair to poor; substance deliquescent;Procedure
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Potassium Sodium TartrateFair to poor; efflorescentLandfill
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Ringer’s Sol.IndefiniteDrain Disposal >100 grams/day
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Silver ChlorideIndefinite but light-sensitiveLandfill
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Sodium BenzoateIndefiniteLandfill
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Sodium BromideProduct absorbs water from airLandfill
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Sodium ChlorideSomewhat hygroscopicLandfill
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Sodium CitrateIndefiniteLandfill
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Sodium FluorideIndefiniteProcedure
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Sodium TartrateIndefiniteLandfill
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Strontium BromidePoor; deliquescent;Landfill
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Strontium ChlorideFair to poor; effloresces in air; deliquesces in moist airLandfill
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Zinc ChlorideSubstance deliquescentLandfill
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Inorganic Group 2: Acetates:
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Ammonium AcetatePoor; deliquescentLandfill
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Barium AcetateIndefiniteProcedure
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Calcium AcetateFair to poor; hygroscopicLandfill
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Copper II (Cupric) Acetate IndefiniteLandfill
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Magnesium AcetatePoor; substance hygroscopicLandfill
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Potassium AcetatePoor; substance deliquescentLandfill
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Silver AcetateIndefinite but light-sensitive.Procedure
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Sodium AcetateFair to poor; substance efflorescentLandfill
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Zinc AcetateGood if kept tightly closedLandfill
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Inorganic Group 2 Iodides:
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Iodine-Potassium-Iodide (Lugol’s)Fair to poor; store away from heat and direct lightProcedure
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Potassium IodidePoor; moisture- and light-sensitive.Landfill
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Sodium IodideDeliquescent; changes color on exposure to light; keep tightly closedLandfill
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Sol. Calcium IodideIndefinite, protect from lightDrain Disposal >100 grams/day
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Inorganic Group 2 Sulfates:
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Aluminum Ammonium SulfateIndefiniteLandfill
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Aluminum Potassium SulfateIndefiniteLandfill
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Ammonium SulfateIndefiniteLandfill
95
Barium Sulfate IndefiniteLandfill
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Benedict’s Qualitative Reagent/SolutionExcellent
Landfill
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Calcium SulfateIndefiniteLandfill
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Copper II (Cupric) SulfateGoodProcedure
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Dodecyl Sulfate Sodium SaltIndefiniteLandfill
100
Iron II (Ferrous) Ammonium SulfateFair to poor; substance efflorescentLandfill