Hardness (APHA 2340C, EPA 130)

Buffer Solution (For Water Hardness (Schwarzenback)/Certified; APHA Standard), Fisher Chemical

Chemical Name or Material: Buffer Solution Name Note: For Water Hardness (Schwarzenback) CAS: 1336-21-6 CAS: 12125-02-9 CAS: 6381-92-6 CAS: 7791-18-6 CAS: 7732-18-5 Purity Grade: Certified APHA Standard MDL Number: MFCD00146206

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

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: Liquid

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: 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: 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

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: Liquid

Water Hardness Buffer, with Magnesium EDTA, Ricca Chemical

Chemical Name or Material: Water Hardness Buffer Name Note: With Magnesium EDTA CAS: 7732-18-5 CAS Min %: 62.0 CAS Max %: 64.0 CAS: 1336-21-6 CAS Min %: 31.73 CAS Max %: 33.03 CAS: 12125-02-9 CAS Min %: 4.17 CAS Max %: 4.34 CAS: 6381-92-6 CAS Min %: 0.29 CAS Max %: 0.3 CAS: 7791-18-6 CAS Min %: 0.16 CAS Max %: 0.17 Physical Form: Liquid

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

Chemical Name or Material: Water Hardness Indicator

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

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: Liquid

Lovibond™ CHECKIT™ Comparator Test Kits: Total Hardness HR Available on GSA/VA Contract for Federal Government customers only.

Accurate test kit for routine water analysis

Lovibond™ CHECKIT™ Comparator Test Kits: Total Hardness

Accurate test kits for routine water analysis

Lovibond™ CHECKIT™ Comparator Test Kits: Total Hardness LR

Accurate test kits for routine water analysis

Calmagite Indicator, 0.1% Aqueous, for Hardness, Certified, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Calmagite Indicator CAS: 7732-18-5 CAS Max %: 99.9 CAS: 3147-14-6 CAS Max %: 0.1 Name Note: 0.1% Aqueous, for Hardness Purity Grade: Certified Grade Linear Formula: C17H14N2O5S Formula Weight: 358.37

Water Hardness Buffer, Certified, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Water Hardness Buffer CAS: 7732-18-5 CAS Max %: 64 CAS: 141-43-5 CAS Max %: 30 CAS: 7647-01-0 CAS Max %: 5.5 CAS: 14402-88-1 CAS Max %: 0.5 Purity Grade: Certified Grade Linear Formula: C2H7NO Formula Weight: 61.08

EDTA, Titrant for Water Hardness, (1mL=1mg CaCO3), 0.02N, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: EDTA, 0.01M (0.02N) CAS: 7732-18-5 CAS Max %: 99.63 CAS: 6381-92-6 CAS Max %: 0.37 Name Note: Titrant for Water Hardness, (1mL = 1mg CaCO3) Purity Grade: Certified Grade Linear Formula: (HO2CCH2)2NCH2CH2N(CH2CO2Na)2·2H2O Formula Weight: 372.23

Eriochrome™ Black T, in Methoxyethanol, for Hardness, Certified, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Eriochrome™ Black T CAS: 109-86-4 CAS Max %: 99.5 CAS: 1787-61-7 CAS Max %: 0.5 Name Note: in Methoxyethanol, for Hardness Purity Grade: Certified Grade Linear Formula: C20H12N3O7NaS Formula Weight: 461.38 UN Number: UN1188

Water Hardness Buffer, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Water Hardness Buffer CAS: 7732-18-5 CAS Max %: 93.25 CAS: 1303-96-4 CAS Max %: 4 CAS: 6381-59-5 CAS Max %: 1 CAS: 1313-84-4 CAS Max %: 1 CAS: 1310-73-2 CAS Max %: 0.65 Linear Formula: Na2B4O7·10H2O Formula Weight: 381.37

Sodium Hydroxide, Certified, 0.1000N ±0.0005N (0.1M), LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sodium Hydroxide, 0.1N (0.1M) CAS: 7732-18-5 CAS Max %: 99.6 CAS: 1310-73-2 CAS Max %: 0.4 Purity Grade: Certified Grade Linear Formula: NaOH Formula Weight: 40 Synonym: Caustic Soda

Eriochrome™ Black T, Dry Form in NaCl, for Hardness, Certified, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Eriochrome™ Black T CAS: 7647-14-5 CAS Max %: 99.5 CAS: 1787-61-7 CAS Max %: 0.5 Name Note: Dry Form in NaCl, for Hardness Purity Grade: Certified Grade Linear Formula: C20H12N3O7NaS Formula Weight: 461.38

Water Hardness Buffer, with Magnesium, Certified, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Water Hardness Buffer CAS: 7732-18-5 CAS Max %: 88.1 CAS: 12125-02-9 CAS Max %: 6.8 CAS: 1336-21-6 CAS Max %: 4.6 CAS: 14402-88-1 CAS Max %: 0.5 Name Note: with Magnesium Purity Grade: Certified Grade Linear Formula: NH4OH Formula Weight: 35.05 UN Number: UN2672

Calcium Carbonate Standard , (1mL = 1mg CaCO3 = 0.4mg Ca), for Hardness, Certified, 1.000 ±0.010mg CaCO3/mL, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Calcium Carbonate Standard CAS: 7732-18-5 CAS Max %: 98.9 CAS: 7647-01-0 CAS Max %: 1 CAS: 471-34-1 CAS Max %: 0.1 Name Note: (1mL = 1mg CaCO3 = 0.4mg Ca), for Hardness Purity Grade: Certified Grade Linear Formula: CaCO3 Formula Weight: 100.09

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