
Hardness Reagent (25 mL sample, 1 drop = 2 ppm hardness as CaCO₃), 2 oz, Dropper Bottle

Potassium Permanganate, 1.0N (0.2M), 1L, Amber Glass
Silver Nitrate, 0.01N (0.01M), 4L, Amber Poly
was $215.90 Special Price $161.92
Shelf Life (months): 24, Traceable to NIST, UN Number: (1 per EA)
Silver Nitrate, 0.01N (0.01M), 4L, Amber Poly is available to buy in increments of 1