pH Buffer Calibration Solution Kit 2-Pack — one pH 4.00 (red) and one pH 7.00 (Yellow), Each 250 ...
$40.47
Hach DPD Free Chlorine Reagent Powder Pillows, 10 mL, Pack of 100, USEPA Accepted, Drinking Water...
$80.48
Essential Depot Potassium Hydroxide Flakes KOH, 2 lbs Caustic Potash Anhydrous KOH Dry Electrolyt...
$72.12
SPACECARE Magnetic Sand Iron Filings Iron Powder Filings Magnetic Power for Magnet Education and ...
$24.84
Gram Stain Kit, 7 Dropper Bottles - Crystal Violet (30mL), Safranin O 1.0% (30mL), Potassium Iodi...
$89.49
Sodium Metabisulfite - 2 oz.
$30.59
Polyacrylate Sodium G
$67.61
Innovating Science Complete Stain Kit - Vital Stain, Bacteria Stain, and Gram's Stain Chemicals S...
$223.74