LabChem

EDTA Reagent, 5% w/v, for Nitrogen (Ammonia), Nitrogen (Organic)

Extraction Solvent (4mL/L Hydrochloric Acid in Reagent Alcohol)

Ferric Ammonium Sulfate, 8%, For Chloride (Volhard's Indicator)

Ferrous Ammonium Sulfate, 0.05M (0.05N), for Nitrogen (Nitrite)

Mercuric Nitrate, 0.141N (0.071M) (1mL = 5mg Cl_), for Chloride

Hydroxylamine Hydrochloride, 10% w/v, for Iron, Copper, Metals

Bromophenol Blue, 0.04% Aqueous, pH 3.0 - 4.6 Yellow to Blue

Bromothymol Blue, 0.04% Aqueous, pH 6.0 - 7.6 Yellow to Blue

Acid Digestion Reagent (with Mercury), for Organic Nitrogen

1-Amino-2-Naphthol-4-Sulfonic Acid Solution, for Phosphorus

Bromophenol Blue, 0.1% Aqueous, pH 3.0 - 4.6 Yellow to Blue

Ceric Ammonium Sulfate, 0.10N (0.10M) in 1.0N Sulfuric Acid

Chlorophenol Red, 0.04% Aqueous, pH 5.2 - 6.8 Yellow to Red

Hydroxylamine Hydrochloride, 3% w/v, for Calcium, Magnesium

Phosphate Buffer pH 6.2-6.5, for Chlorine, Chlorine Dioxide

Ferric Chloride Solution (100g in 40mL Water), for Sulfide