Water Testing Solutions and Reagents

Platinum Cobalt Color Standard Solution (APHA), Fisher Chemical

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

Peracetic Acid Titrant (Sodium Thiosulfate, 0.1N), Lamotte™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sodium Thiosulfate, 0.1N CAS: 144-55-8 CAS: 10102-17-7 CAS: 7732-18-5 Physical Form: Liquid

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: 284.19 MDL Number: MFCD00012777 Synonym: Ammonium Purpurate Acid

Buffer Solution (Phosphate), for Chlorine Determination (DPD Methods), Ricca Chemical

Chemical Name or Material: Buffer Solution (Phosphate) CAS: 7778-77-0 CAS: 7558-79-4 CAS: 7487-94-7 CAS: 7732-18-5

Vanadate-Molybdate Reagent, APHA for Phosphorus, Ricca Chemical

Chemical Name or Material: Vanadate-Molybdate Reagent

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: 194.19 MDL Number: MFCD00011368 Synonym: Neutral Potassium Chromate

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

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

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

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

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

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

Diphenylcarbazone-Bromophenol Blue Mixed Indicator, for Chloride Determination, Ricca Chemical

Chemical Name or Material: Diphenylcarbazone-Bromophenol Blue Mixed Indicator CAS: 64-17-5 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 538-62-5 CAS Min %: 0.61 CAS Max %: 0.63 CAS: 62625-28-9 CAS Min %: 0.06 CAS Max %: 0.06 CAS: 62625-28-9 Physical Form: Liquid

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

Chemical Name or Material: Buffer Solution Name Note: For Water Hardness (Schwarzenback) CAS: 6381-92-6 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 Phosphate (APHA, EPA for Sulfide), Ricca Chemical

Chemical Name or Material: AMMONIUM PHOSPHATE, 400 + 800 CAS: 7783-28-0 CAS Min %: 65.0 CAS Max %: 68.0 CAS: 7732-18-5 CAS Min %: 32.68 CAS Max %: 34.01 Purity Grade: APHA, EPA for Sulfide

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

Chemical Name or Material: Sodium Chloride - Hydroxylamine Sulfate Solution

Ammonia VACUettes™ Refill (Range: 0 to 60 and 60 to 600 ppm), CHEMetrics™

Chemical Name or Material: Ammonia Refill (Range: 0 to 60 and 60 to 600 ppm) Name Note: for Direct Nesslerization Physical Form: Liquid

Buffer (Phosphate), pH 7.2, for Biochemical Oxygen Demand (BOD) Testing, Ricca Chemical

Chemical Name or Material: Phosphate Buffer Name Note: pH 7.2 CAS: 7759-02-6 CAS: 7778-77-0 CAS: 12125-02-9 CAS: 7558-79-4 CAS: 7732-18-5 Physical Form: Liquid

Nessler Reagent, for Ammonia Nitrogen Determination, Ricca Chemical

Chemical Name or Material: Nessler Reagent CAS: 7732-18-5 CAS Min %: 73.0 CAS Max %: 76.0 CAS: 1310-73-2 CAS Min %: 14.0 CAS Max %: 18.0 CAS: 7681-11-0 CAS Min %: 3.0 CAS Max %: 9.0 CAS: 7774-29-0 CAS Min %: 4.0 CAS Max %: 12.0 Physical Form: Liquid

Barium Diphenylaminesulfonate, 0.1% (w/v) Aqueous Solution, Ricca Chemical

Chemical Name or Material: Barium Diphenylaminesulfonate CAS: 1300-92-1 CAS Min %: 98.0 CAS Max %: 100.0 CAS: 7732-18-5 CAS Min %: 0.1 CAS Max %: 0.1 Physical Form: Liquid

Murexide, ACROS Organics™

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

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

Murexide (Powder), Fisher Chemical

Chemical Name or Material: Murexide CAS: 3051-09-0 Physical Form: Solid Molecular Formula: C8H8N6O6 Formula Weight: 284.2 MDL Number: MFCD00012777 Synonym: Ammonium Purpurate Acid

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

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

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

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

Nessler Reagent, Ricca Chemical

Chemical Name or Material: NESSLER REAGENT CAS: 7732-18-5 CAS Min %: 90.0 CAS Max %: 93.0 CAS: 1310-73-2 CAS Min %: 5.0 CAS Max %: 9.0 CAS: 7681-11-0 CAS Min %: 2.0 CAS Max %: 3.0 CAS: 7774-29-0 CAS Min %: 2.0 CAS Max %: 3.0 Physical Form: Liquid

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