LabChem

Congo Red

Eosin Y

Thymol Blue, 0.04% Aqueous, pH 1.2 - 2.8 Red to Yellow, pH 8.0 - 9.6 Yellow to Blue

Sodium Nitrate Solution, 5.0M (5.0N), Adjustor for Chloride Specific Ion Electrode

Thymol Blue, 0.4% Aqueous, pH 1.2 - 2.8 Red to Yellow, pH 8.0 - 9.6 Yellow to Blue

Sodium Nitroprusside, 0.05% w/v, for Nitrogen (Ammonia), Nitrogen (Organic)

Starch Indicator, 0.2%, Preserved with Salicylic Acid (Mercury Free)

Starch Indicator, 0.5%, Preserved with Salicylic Acid (Mercury Free)

Sodium Phenate Solution, for Nitrogen (Ammonia), Nitrogen (Organic)

Silver Nitrate, 0.0141N (0.0141M), for Chloride, (1mL = 0.5mg Cl_)

Sulfanilamide/N-(Naphthyl) Reagent, for Nitrogen (Nitrate/Nitrite)

Thymolphthalein, 0.05% in Ethanol, pH 9.3 - 10.5 Colorless to Blue

Sodium Hydroxide-Sodium Thiosulfate, for Nitrogen (Organic)

Potassium Iodide, 0.5% w/v, for Chlorine, Chlorine Dioxide

Turbidity Stock Solution II, Hexamethylene Tetramine, 10%

Potassium Permanganate, 5% w/v, for Mercury, Metals