LabChem

Sulfuric Acid, 0.01N (0.005M)

Sulfuric Acid, 37% v/v (37+63), for Phosphorus

Sulfuric Acid, 5.0N (2.5M)

Titration (TAN) Solvent

Turbidity Standard (Formazin), 4000 NTU

Zinc AA Standard, 1000 ppm (1mL = 1mg Zn)

Zinc Sulfate, Heptahydrate, ACS

Xylenes, ACS

Xylenol Orange, 0.2% Alcoholic

Zinc Sulfate, 1.0M (2.0N)

Boric Acid, 2% w/v w/Indicator (Methylene Blue-Methyl Red) for Nitrogen(Ammonia)

Ferrous Ammonium Sulfate Titrant, 0.00282N(0.00282M) for Chlorine, Chlorine Dioxide (1mL=0.1mg Cl)

Nitrite (as Nitrogen) Standard, 1000 ppm, Preserved w/ Chloroform (1mL = 1mg N, 1mL = 3.28mg NO_)

Nitrate (as Nitrogen) Standard, 1000 ppm, Preserved w/ Chloroform (1mL = 1mg N, 1mL = 4.43mg NO__)

Alkaline Iodide Azide Solution I, for Dissolved Oxygen (Saturated & Less than Saturated Samples)

Alkaline Iodide Azide Solution II, for Dissolved Oxygen (Concentrations Greater than 15mg/L)