Acetate Buffer, pH 4.0. APHA, ASTM, EPA, for Residual Chlorine. 

Ammonium Oxalate, 4% (w/v) Aqueous. APHA for Calcium.

Acetic Acid, 0.200 (±0.0002) Normal (N/5).APHA for Arsenic. (Not-Regulated)

Acetic Acid, 1% (v/v) Aqueous Solution (1 + 99). 

Acetic Acid, 3% (v/v) Aqueous Solution (3 + 97). 

Alkaline-Iodide-Azide, Alsterberg, APHA, ASTM D 888, EPA for Dissolved Oxygen (DO). For Normal DO - Saturated or less than Saturated samples and when Nitrites present.

Aluminum ICP Standard, 1 mL = 1 mg Al, 1,000 ppm Al, 

Aluminum ICP Standard, 1 mL = 10 mg Al, 10,000 ppm Al, (Al in 5% HCl). (Class: 8, UN3264, Pkg Grp: III, Corrosive Liquid, Acidic, Inorganic, n.o.s., Contains: Hydrochloric Acid)

Aluminum Standard, 1 mL = 1 mg Al, 1,000 ppm Al, 

Plastic
Plastic

Ammonium Hydroxide, 5% (v/v) Aqueous (1 + 19). 

Ammonium Oxalate, 4% (w/v) Aqueous. APHA for Calcium.

Ammonium Thiocyanate, 0.100 (±0.0001) Normal (N/10). ASTM E 200 Reagent. (Not-Regulated)

Antimony ICP Standard, 1 mL = 10 mg Sb, 10,000 ppm Sb (Sb in 20% HCI). 

 

Antimony Standard, 1 mL = 1 mg Sb, 1,000 ppm Sb 

 

Arsenic Standard, 1 mL = 1 mg As, 1,000 ppm As (As2O3 in dilute HCl).(Not-Regulated)

 

Barium Chloride, 10% (w/v) Aqueous. APHA, EPA for Sulfate (Gravimetric). (Class: 6.1, UN3287, Pkg Grp: III, Toxic Liquid, Inorganic, n.o.s., Contains: Barium Chloride) (Requires special barrier pack at additional charge for shipment via Air Services) 4 L and 20 L sizes may not be shipped via Air Services.

 

Barium Standard, 1 mL = 1 mg Ba, 1,000 ppm Ba. (BaCl2n2H2O in Water) (Not-Regulated)

 

Benedict's Solution, Qualitative. 

 

Boric Acid, 4% (w/v) Aqueous with Bromocresol Green-Methyl Red Indicator. (Not-Regulated)

 

Boron Standard, 1 mL = 1 mg B, 1,000 ppm B, 

 

Bromine Water, Saturated. Approx. 3% Bromine at time of packaging. ACS Reagent Solution. (In safety coated bottles) (Class: 8, UN1744, Pkg Grp: I, Bromine Solutions - POISON INHALATION HAZARD, Zone A)