Ricca Chemical Co.

Manganous Sulfate, 364 g/L

LAS Standard, 1000 ppm LAS

Methylene Blue Solution I

Matching Fluid T, USP <631>

Nitrite Standard, 1000 ppm NO2

ORP Standard, 200 mV

Phenylarsine Oxide, 0.00564 N

Methylene Blue, 0.05% w/v

Phosphate Buffer,0.05 M,pH 7.4

Phosphate Buffer, for Cyanide

Phosphate Std, 1000 ppm PO4

Phosphorus Std, 25 ppm P (PO4)

Pot Acid Phthalate,1000ppm COD

Methyl Violet, 0.02% w/v

Phenylarsine Oxide, 0.005 N

Phosphate Buffer,0.1 M, pH 6.2