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Chemicals R-Z
Find chemicals to complete the labs in your curriculum, or stains for microscope slide specimens. Chemicals can be harmful if misused; please see our Buying & Using Chemicals guidelines how to use chemicals responsibly.For other related information, visit our chemical FAQ page. Our chemicals are listed alphabetically; see more in Chemicals A-C, Chemicals D-L, and Chemicals M-P.
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Zinc, metal electrode, 4"
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Rennet (enzyme), 8 tablets, 6.5 g
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Sodium bicarbonate, 30g
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Sodium bisulfite, 30 g
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$1.20
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This strip is 3/4" wide and 4" long. It weighs about 9 grams.
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$3.00
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These rennet tablets by Junket are used to make cheese, ice cream, and cust... more
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$3.00
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Reagent grade.
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$3.00
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Granular form.
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Sodium carbonate, 30 g
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Sodium sulfate, 30 g
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Sodium tetraborate, 30 g
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Talc, 30 g
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$3.00
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Washing soda.
Here are projects that use sodium carbonate: Color-Change ... more
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$3.00
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Reagent grade.
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$3.00
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Borax.
Here are projects that uses Borax: Fizzy Bath Bombs Snowflake Cry... more
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$3.00
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Hydrous magnesium sulfate.
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Sodium thiosulfate, 30 g
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Zinc sulfate, 30 g
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Sodium phosphate, 30 g
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Safranin O stain, 1%, 15ml
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$3.25
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Anhydrous form.
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$3.25
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Heptahydrate form.
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$3.50
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Anhydrous form.
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$3.75
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This is the Safranin stain used for the Gram's bacteria staining technique.... more
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Sodium acetate, 30 g
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Sodium bisulfate, 30 g
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Sodium nitrate, 30 g
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Sodium sulfite, 30 g
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$3.75
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Anhydrous form.
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$3.75
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Corrosive; read warning labels carefully. Dangerous when wet.
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$3.75
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Oxidizer; read warning labels carefully.
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$3.75
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Anhydrous form.
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Strontium chloride, 10 g
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Sulfur, 30 g
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Sodium polyacrylate, 30 g
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Starch, water soluble, 30 g
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$3.75
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Hexahydrate form.
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$3.75
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Precipitated powder. Lab grade.
Flammable solid; read warning labels car... more
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$4.00
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5500 MW.
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$4.00
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Water soluble.
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Tryptophan (L), 1 g
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Zinc, powder, 15 g
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Zinc nitrate, 30 g
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Silicon metal, lumps, 15 g
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$4.00
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$4.00
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$4.25
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Hexahydrate form. Oxidizer; read warning labels carefully.
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$4.50
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Strontium nitrate, 15 g
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Sudan III stain, solution, 15 ml
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Thymol blue, 15 ml
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Toluidine blue, 1%, 15 ml
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$4.50
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Oxidizer; read warning labels carefully.
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$4.50
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Biological stain used as a lipid indicator. (Flammable.)
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$4.50
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pH indicator. Changes from red at 1.2 pH to yellow at 2.8 pH. Changes from ... more
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$4.50
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Toluidine blue is a biological stain for staining nuclear material during m... more
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Wright's blood stain, 15 ml
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Sodium hydroxide, 30g
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Universal indicator, 30 ml
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Sulfuric acid, 30 ml
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$5.00
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A biological stain commonly used for blood. This is a Wrights-Geisma (non-b... more
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$5.50
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Corrosive and poison; read warning labels carefully.
May be substituted fo... more
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$5.50
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pH indicator. Color changes from 2 to 10 pH. (Flammable.) This solution com... more
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$6.50
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Concentrated 18 Molar solution. Corrosive and poison; read warning labels c... more
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Silver nitrate, 2 g
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Water Quality and Pond Test Kit 5-in-1
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$12.50
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Oxidizer and poison; read warning labels carefully.
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$16.50
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This kit allows you to reliably test water quality in ponds, aquariums, or ... more
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