LabChem

Diphenylamine, 0.3% in 50% Sulfuric Acid

Formaldehyde-Sodium Carbonate Solution

Buffer Solution A, for Sulfate

Glucose-Glutamic Acid, for BOD (Sterilized)

Eriochrome¨ Black T, ACS

Ethylenediamine, 70% Technical Grade

Chloride Standard, 1000ppm (1mL = 1mg Cl_) (0.0282N) (NaCl in Water)

Glycine, ACS

Ferric Ammonium Sulfate, Saturated

Ferrous Ammonium Sulfate Solution

Ehrlich's Reagent

Hydroxylamine Hydrochloride, 20% w/v, for Cadmium

Hydrogen Peroxide, 30% w/w

Hydroxylamine-EDTA, for Selenium

Ferrous Ammonium Sulfate, Hexahydrate, ACS

Conditioning Reagent, for Sulfate