Water Testing Solutions and Reagents

Platinum Cobalt Color Standard Solution (APHA), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

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

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

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

Nessler's Reagent Solution, Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

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

Potassium Chromate Solution, 5% (w/v)/APHA, Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

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

Vanadate-Molybdate Reagent, APHA for Phosphorus, Ricca Chemical

Chemical Name or Material: Vanadate-Molybdate Reagent

Potassium Dichromate, 0.025N, ASTM/EPA, Ricca Chemical

Chemical Name or Material: Potassium Dichromate

Magnesium Sulfate Solution (2.25%/APHA), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

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

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

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

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

CAS: 7761-88-8 Molecular Formula: AgNO3 Molecular Weight (g/mol): 169.872 InChI Key: SQGYOTSLMSWVJD-UHFFFAOYSA-N PubChem CID: 24470 ChEBI: CHEBI:32130

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

Reagent ampules for the determination of ammonia in water. Each ampule contains approximately 0.5mL of reagent sealed under vacuum

Mercuric Nitrate, 0.141N (1mL = 5mg Cl), APHA/EPA for Chloride, Ricca Chemical

Chemical Name or Material: Mercuric Nitrate CAS: 7783-34-8 CAS: 7732-18-5

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

Alfa Aesar™ Carbonate, 0.2M buffer soln., pH 9.6, low endotoxin

Chemical Name or Material: Carbonate CAS: 497-19-8 Name Note: low endotoxin MDL Number: MFCD00003494

Silver Nitrate Solution (1mL=0.5mg Cl/Certified APHA), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

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

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

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

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