Sulfates (APHA 4500-SO42)

Thermo Scientific™ Orion™ ISE Calibration Standards Available on GSA/VA Contract for Federal Government customers only.

Take reproducible ISE measurements with Thermo Scientific™ Orion™ ISE Calibration Standards. For use with ion selective electrodes from ammonia to water hardness.

Thermo Scientific™ Orion™ Silver/Sulfide Electrodes Available on GSA/VA Contract for Federal Government customers only.

Make quick, simple, accurate and economical measurement of silver and sulfide ions in aqueous solutions with these electrodes.

Thermo Scientific™ Orion™ ISE Ionic Strength Adjustors (ISA) and Special Reagents Available on GSA/VA Contract for Federal Government customers only.

Take more accurate and reproducible ISE measurements with Thermo Scientific™ Orion™ ISE Ionic Strength Adjustors (ISA) and Special Reagents.

Thermo Scientific™ Orion™ Powder Chemistry Packs

Use Thermo Scientific™ Orion™ AQUAfast Powder Pack Reagents to perform colorimetric measurements of common water parameters with powders that dissolve quickly and mix easily

Thermo Scientific™ Orion™ AQUAfast™ II Chemistries Test Kits

Use Thermo Scientific™ Orion™ AQUAfast Tablet Reagents to perform colorimetric measurements of common water parameters with convenient, rapidly dissolving tablets

Barium Chloride, 10% (w/v) Aqueous Solution, Ricca Chemical

Chemical Name or Material: Barium Chloride CAS: 7732-18-5 CAS Min %: 89.0 CAS Max %: 93.0 CAS: 10326-27-9 CAS Min %: 9.0 CAS Max %: 11.0 Physical Form: Liquid

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

Buffer Solution B, for low level Sulfate Analysis (Turbidimetric Method), Ricca Chemical

Chemical Name or Material: Buffer Solution B CAS: 7732-18-5 CAS Min %: 93.0 CAS Max %: 96.0 CAS: 7791-18-6 CAS Min %: 2.78 CAS Max %: 2.9 CAS: 64-19-7 CAS Min %: 1.95 CAS Max %: 2.03 CAS: 6131-90-4 CAS Min %: 0.46 CAS Max %: 0.48 CAS: 7757-79-1 CAS Min %: 0.09 CAS Max %: 0.1 CAS: 7757-82-6 CAS Min %: 0.01 CAS Max %: 0.01 Physical Form: Liquid

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

Silver Nitrate-Nitric Acid Reagent, APHA/EPA for Sulfate, Ricca Chemical

Chemical Name or Material: Silver Nitrate-Nitric Acid Reagent

Sulfate Standard, 1mL = 0.1mg SO42-, Ricca Chemical

Chemical Name or Material: Sulfate Standard CAS: 7732-18-5 CAS Min %: 98.0 CAS Max %: 100.0 CAS: 7757-82-6 CAS Min %: 0.01 CAS Max %: 0.02 Physical Form: Liquid

Buffer Solution A, for Sulfate Analysis (Turbidimetric Method), Ricca Chemical

Chemical Name or Material: Buffer Solution A CAS: 7732-18-5 CAS Min %: 93.0 CAS Max %: 96.0 CAS: 7791-18-6 CAS Min %: 2.78 CAS Max %: 2.9 CAS: 64-19-7 CAS Min %: 1.95 CAS Max %: 2.03 CAS: 6131-90-4 CAS Min %: 0.46 CAS Max %: 0.48 CAS: 7757-79-1 CAS Min %: 0.09 CAS Max %: 0.1 Physical Form: Liquid

Lovibond™ MD600 Handheld Water Quality Colorimeter

Rugged, waterproof multi-parameter colorimeters for laboratory and field testing

Barium Chloride, ACS Grade, ≥ 99.0%, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Barium Chloride CAS: 10326-27-9 CAS Max %: 100 Purity Grade: ACS Grade Linear Formula: BaCl2·2H2O Formula Weight: 244.26 UN Number: UN1564

Sodium Sulfate, Anhydrous, ACS Grade, ≥ 99.0%, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sodium Sulfate CAS: 7757-82-6 CAS Max %: 100 Name Note: Anhydrous Purity Grade: ACS Grade Linear Formula: Na2SO4 Formula Weight: 142.04

Buffer Solution A, for Sulfate, Certified, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Buffer Solution A, for Sulfate CAS: 7732-18-5 CAS Max %: 94.4 CAS: 7791-18-6 CAS Max %: 3 CAS: 64-19-7 CAS Max %: 2 CAS: 6131-90-4 CAS Max %: 0.5 CAS: 7757-79-1 CAS Max %: 0.1 Purity Grade: Certified Grade Linear Formula: MgCl2·6H2O Formula Weight: 203.31

Sulfate Standard, Certified, 100ppm ±1ppm (1mL = 0.1mg SO4), LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sulfate Standard CAS: 7732-18-5 CAS Max %: 99.985 CAS: 7757-82-6 CAS Max %: 0.015 Name Note: 100ppm (1mL = 0.1mg SO4) Purity Grade: Certified Grade Linear Formula: Na2SO4 Formula Weight: 142.04

Buffer Solution B, for Sulfate, Certified, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Buffer Solution B, for Sulfate CAS: 7732-18-5 CAS Max %: 94.39 CAS: 7791-18-6 CAS Max %: 3 CAS: 64-19-7 CAS Max %: 2 CAS: 6131-90-4 CAS Max %: 0.5 CAS: 7757-79-1 CAS Max %: 0.1 Purity Grade: Certified Grade Linear Formula: MgCl2·6H2O Formula Weight: 203.31

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