Water Testing Solutions and Reagents

Manganese (II) Sulfate Solution (APHA), Fisher Chemical

Chemical Name or Material: Manganese (II) Sulfate Solution Name Note: Conforms to the standards of APHA CAS: 7785-87-7 CAS: 7732-18-5 MDL Number: MFCD00149159

Silver Nitrate Solution (1mL=0.5mg Cl/Certified APHA), Fisher Chemical

Chemical Name or Material: Silver Nitrate Solution Name Note: 0.0141N CAS: 7761-88-8 CAS: 7732-18-5 Purity Grade: Certified APHA MDL Number: MFCD00003414 Synonym: Nitric Acid Silver (1+) Salt

Copper (II) Sulfate-Sulfamic Acid Inhibitor Solution (APHA), Fisher Chemical

Chemical Name or Material: Copper (II) Sulfate–Sulfamic Acid Inhibitor Solution CAS: 7758-99-8 CAS: 5329-14-6 CAS: 64-19-7 CAS: 7732-18-5 Purity Grade: APHA MDL Number: MFCD00149681 Synonym: Copper (II) Sulfate–Sulfamic Acid Inhibitor Solution

Platinum Cobalt Color Standard Solution (APHA), Fisher Chemical

Chemical Name or Material: Platinum Cobalt Color Standard Solution CAS: 7647-01-0 CAS: 7791-13-1 CAS: 16921-30-5 CAS: 7732-18-5 MDL Number: MFCD00214189

Nessler's Reagent Solution, Fisher Chemical

Chemical Name or Material: Nessler«s Reagent Solution CAS: 7681-11-0 Physical Form: Liquid MDL Number: MFCD00049656 Synonym: Mercuric and potassium iodide solution

Murexide (Indicator Tablets), Fisher Chemical

Chemical Name or Material: Murexide CAS: 3051-09-0 CAS: 7447-40-7 Physical Form: Solid Molecular Formula: C8H8N6O6 Formula Weight: 284.19g/mol MDL Number: MFCD00012777 Synonym: Ammonium Purpurate Acid

Silver Nitrate Solution (1mL=1mg NaCl/Certified APHA), Fisher Chemical

Chemical Name or Material: Silver Nitrate Solution Name Note: 0.017N CAS: 7761-88-8 CAS: 7732-18-5 Purity Grade: Certified APHA Molecular Formula: AgNO3 · H2O MDL Number: MFCD00003414 Synonym: Nitric Acid Silver (1+) Salt

o-Tolidine Dihydrochloride Solution (0.1% w/v), Fisher Chemical

Chemical Name or Material: o-Tolidine Dihydrochloride Solution Name Note: 0.1% (w/v) CAS: 7647-01-0 CAS: 612-82-8 CAS: 7732-18-5 MDL Number: MFCD00012960

Potassium Chromate Solution, 5% (w/v)/APHA, Fisher Chemical

Chemical Name or Material: Potassium Chromate Solution Name Note: 5% (w/v) CAS: 7789-00-6 CAS: 7761-88-8 CAS: 7732-18-5 Assay: 4.5 to 5.5% Assay Percent Range: 5% w/v Molecular Formula: K2CrO4 Formula Weight: 194.19g/mol MDL Number: MFCD00011368 Synonym: Neutral Potassium Chromate

Murexide (Powder), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Murexide CAS: 3051-09-0 Physical Form: Solid Molecular Formula: C8H8N6O6 Formula Weight: 284.20g/mol MDL Number: MFCD00012777 Synonym: Ammonium Purpurate Acid

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

PAN (Certified), Fisher Chemical

Chemical Name or Material: PAN CAS: 85-85-8 Purity Grade: Certified Molecular Formula: C15H11N3O Formula Weight: 249.27g/mol MDL Number: MFCD00004071 Synonym: 1-(2-Pyridylazo)-2-naphthol

Alkaline Iodide-Sodium Azide Solution, Fisher Chemical

Chemical Name or Material: Alkaline Iodide–Sodium Azide Solution CAS: 1310-58-3 CAS: 7681-11-0 CAS: 26628-22-8 CAS: 7732-18-5 MDL Number: MFCD00145755

Buffer Solution (Phosphate), pH 7.20 (APHA), Fisher Chemical

Chemical Name or Material: Buffer Solution (Phosphate), pH 7.21 CAS: 7758-11-4 CAS: 7558-79-4 CAS: 7778-77-0 CAS: 12125-02-9 CAS: 7732-18-5 MDL Number: MFCD00081857

Magnesium Sulfate Solution (2.25%/APHA), Fisher Chemical

Chemical Name or Material: Magnesium Sulfate Heptahydrate Solution, 2.25% CAS: 7487-88-9 CAS: 7732-18-5 Purity Grade: APHA Molecular Formula: MgSO4 MDL Number: MFCD00011110

Alkaline-Iodide-Azide, for Dissolved Oxygen (DO) Analysis, Ricca Chemical

Chemical Name or Material: Alkaline-Iodide-Azide CAS: 7681-82-5 CAS Min %: 42.0 CAS Max %: 44.0 CAS: 7732-18-5 CAS Min %: 28.13 CAS Max %: 29.28 CAS: 1310-73-2 CAS Min %: 27.05 CAS Max %: 28.15 CAS: 26628-22-8 CAS Min %: 0.56 CAS Max %: 0.59 Physical Form: Clear to turbid liquid

Murexide, ACROS Organics™

Chemical Name or Material: Murexide CAS: 3051-09-0 Purity Grade: ACS Reagent Molecular Formula: C8H8N6O6 Formula Weight: 284.19g/mol MDL Number: MFCD00012777

Silver Nitrate, 0.141N, 1mL = 5mg Cl-, ASTM for Chloride, Ricca Chemical

Chemical Name or Material: Silver Nitrate Name Note: 0.141N CAS: 7732-18-5 CAS Min %: 96.0 CAS Max %: 100.0 CAS: 7761-88-8 CAS Min %: 2.3 CAS Max %: 2.39

Manganous (Manganese) Sulfate, 0.003M, APHA for Ammonia Nitrogen, Ricca Chemical

Chemical Name or Material: Manganous (Manganese) Sulfate

Diphenylcarbazone TS, 1% (w/v) Alcoholic Solution, Ricca Chemical

Chemical Name or Material: Diphenylcarbazone Name Note: Test Solution CAS: 64-17-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 538-62-5 CAS Min %: 1.21 CAS Max %: 1.26 CAS: 67-56-1 (Methanol (Methyl Alcohol)) Physical Form: Clear, red liquid

BAKER TESTRIPS™ For Ammonium (NH4+), J.T.Baker™

Chemical Name or Material: BAKER TESTRIPS™ For Ammonium (NH4+)

Synthetic Fresh Water, Hard, Ricca Chemical

Chemical Name or Material: Synthetic Fresh Water Name Note: Hard CAS: 7732-18-5 CAS Min %: 98.0 CAS Max %: 100.0 CAS: 144-55-8 CAS Min %: 0.02 CAS Max %: 0.02 CAS: 10101-41-4 CAS Min %: 0.01 CAS Max %: 0.01 CAS: 7487-88-9 CAS Min %: 0.01 CAS Max %: 0.01 CAS: 7447-40-7 CAS Min %: 8.0E-4 CAS Max %: 8.0E-4 Physical Form: Clear colorless liquid

Sodium Thiosulfate, 0.0394N, Ricca Chemical

Chemical Name or Material: Sodium Thiosulfate CAS: 7732-18-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 10102-17-7 CAS Min %: 0.77 CAS Max %: 0.8 CAS: 497-19-8 CAS Min %: 0.01 CAS Max %: 0.01

Sodium Acetate, 0.2M, APHA for Arsenic, Ricca Chemical

Chemical Name or Material: Sodium Acetate

Sodium Chloride - Hydroxylamine Sulfate Solution, APHA/ASTM/EPA, Ricca Chemical

Chemical Name or Material: Sodium Chloride - Hydroxylamine Sulfate Solution

EDTA Reagent (EPA for Ammonia Nitrogen), Ricca Chemical

Chemical Name or Material: EDTA Reagent 5% (w/v) Aqueous with NaOH Purity Grade: EPA for Ammonia Nitrogen

BAKER TESTRIPS™ For Nickel (Ni2+), J.T.Baker™

Chemical Name or Material: BAKER TESTRIPS™ For Nickel (Ni2+)

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

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