Hardness (APHA 2340C, EPA 130)

Ammonium Chloride Buffer TS, Ricca Chemical

Chemical Name or Material: AMMONIA - AMMONIUM CHLORIDE, BUFFER TEST SOLUTION CAS: 7732-18-5 CAS Min %: 62.0 CAS Max %: 65.0 CAS: 1336-21-6 CAS Min %: 31.81 CAS Max %: 33.11 CAS: 12125-02-9 CAS Min %: 4.19 CAS Max %: 4.36

Monomagnesium EDTA, 0.2g/L, for Hardness, Ricca Chemical

Chemical Name or Material: Monomagnesium EDTA CAS: 7732-18-5 CAS Min %: 98.0 CAS Max %: 100.0 CAS: 14402-88-1 CAS Min %: 0.02 CAS Max %: 0.02 Physical Form: Clear colorless liquid

Ammonium Hydroxide, 1.00 Normal, Ricca Chemical

Chemical Name or Material: Ammonium Hydroxide CAS: 7732-18-5 CAS Min %: 92.0 CAS Max %: 96.0 CAS: 1336-21-6 CAS Min %: 5.73 CAS Max %: 5.96 Physical Form: Clear colorless liquid

Water Hardness Ind., APHA/EPA for Water Hardness, Ricca Chemical

Chemical Name or Material: Water Hardness Indicator

EDTA Titrant, 0.0100 Molar, Ricca Chemical

Chemical Name or Material: EDTA Titrant CAS: 7732-18-5 CAS Min %: 98.0 CAS Max %: 100.0 CAS: 6381-92-6 CAS Min %: 0.36 CAS Max %: 0.38 Physical Form: Clear colorless liquid

Calcium Chloride Standard, 400ppm Ca, Ricca Chemical

Chemical Name or Material: Calcium Chloride Standard CAS: 7732-18-5 CAS Min %: 98.0 CAS Max %: 100.0 CAS: 7647-01-0 CAS Min %: 0.19 CAS Max %: 0.2 CAS: 471-34-1 CAS Min %: 0.1 CAS Max %: 0.1

Methyl Red Indicator, 0.1% (w/v) Aqueous Solution, Ricca Chemical

Chemical Name or Material: Methyl Red Indicator CAS: 845-10-3 (Methyl Red, Sodium Salt) CAS: 7732-18-5 (Water, Deionized) Physical Form: Clear, orange to dark red colored liquid

Water Hardness Buffer, with Magnesium EDTA, APHA/ASTM/EPA for Water Hardness, Ricca Chemical

Chemical Name or Material: Water Hardness Buffer Name Note: With Magnesium EDTA

Hydrochloric Acid, 50% (v/v) Aqueous Solution, Ricca Chemical

Chemical Name or Material: Hydrochloric Acid CAS: 7732-18-5 CAS Min %: 49.0 CAS Max %: 51.0 CAS: 7647-01-0 CAS Min %: 49.0 CAS Max %: 51.0 Physical Form: Clear, colorless to slight greenish yellow liquid

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