Buffers and Standards

Buffers and Standards

Hydrogen ion buffers of various chemical compositions formulated to provide pH stability for a variety of laboratory procedures. Products come in a range of quantities and include standard solutions and buffers for life science and chemistry applications.
Electrochemistry Buffers
Electrochemistry Buffers (77)
Electrochemistry Standards
Electrochemistry Standards (51)
General Chemistry Solutions
General Chemistry Solutions (40)
Life Science Buffers
Life Science Buffers (34)
Matrix Blanks and Standardization Solutions
Matrix Blanks and Standardization Solutions (14)
Chromatography Standards
Chromatography Standards (8)
Viscosity Standards
Viscosity Standards (6)
Karl Fischer Buffers and Reagents
Karl Fischer Buffers and Reagents (5)
Spectroscopy Standards
Spectroscopy Standards (5)
Environmental Testing Standards
Environmental Testing Standards (1)
Quality Control and Proficiency Samples
Quality Control and Proficiency Samples (1)
Products (242)
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  • Electrochemistry Buffers (77)
    Electrochemistry Standards (51)
    General Chemistry Solutions (40)
    Life Science Buffers (34)
    Matrix Blanks and Standardization Solutions (14)
    Chromatography Standards (8)
    Viscosity Standards (6)
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Orion™ Pure Water™ pH 4.10 Buffer B, 4 x 475mL 
Chemical Name or Material: pH Buffer A. Boiling Point: 100°C. Color: Clear. For Use With (Application): Provide fast, accurate pH results in high purity and low ionic strength waters. Recommended for samples such as well water, rain water, distilled/deionized water, boiler feed water and process water.
Orion™ 111.9mS/cm Conductivity Standard, 10 x 15mL Pouches 
Description: Conductivity Standard. Packaging: Bottle. Traceability to NIST: Yes. Conductivity: 100 μS/cm.
Con-Trol 500, Osmometer Reference Standards, Precision Systems 
Chemical Name or Material: CON-TROL 500. Physical Form: Aqueous Solution. Quantity: 5 mL.
Sodium citrate, 0.5M buffer soln., pH 5.0 
Chemical Name or Material: Sodium citrate buffer soln. Health Hazard 1: Danger. Color: Colorless. Health Hazard 2: GHS H Statement
H318
Causes serious eye damage.
Con-Trol 100, Osmometer Reference Standards, Precision Systems 
Chemical Name or Material: CON-TROL 100. Physical Form: Aqueous Solution. Quantity: 5 mL.
Standard mOsm Solutions, Precision Systems 
Chemical Name or Material: Osmometry Standard. Concentration or Composition Notes: 1500 mOsm/kg H2O. Physical Form: Liquid. Quantity: 125 mL.
Buffer pH 12.45 
Color: Colorless. pH: 12.45 Quantity: 480 mL. Packaging: Plastic Bottle.
Eutech Handheld Meters Calibration Solution, 1413μS/cm KCl 
Chemical Name or Material: Inorganic Salts. Name Note: Nil. Packaging: 1 case. CAS: 7447-40-7.
Buffer Solution pH 10.01 
CAS: 497-19-8. Boiling Point: Approximately 100°C. Color: Blue. CAS: 3844-45-9.
Buffer Solution pH 4.01 
Color: Red. pH: 4.01 Quantity: 480 mL. Packaging: Plastic Bottle.
Tris Base (White Crystals or Crystalline Powder/Molecular Biology), Fisher BioReagents™ 
Absorbance: 0.05 AU max. at 280nm Chemical Name or Material: Tris Base. CAS: 77-86-1. ChemAlert Storage Symbol: Gray.
Ammonia Solution 20-22%, Optima™, for Ultra Trace Elemental Analysis, Fisher Chemical™ 
Color: Colorless. CAS: 1336-21-6. Molecular Formula: H5NO. MDL Number: 66650.
Buffer Solution, pH 4.00, Color-Coded Pink, Mettler Toledo™ 
Chemical Name or Material: Buffer Solution, pH 4.00 CAS: 877-24-7. Melting Point: 0°C. Boiling Point: 100°C.
Conductivity Standards for METTLER TOLEDO Conductivity Probes, METTLER TOLEDO™ 
Packaging: Bottle. Traceability to NIST: Yes. Recommended Storage: Ambient. Conductivity: 84 μS/cm.
Conductivity Calibration Standards, YSI™ 
Packaging: Plastic Bottle. Traceability to NIST: Yes. Analyte or Component Names: Fresh Water Conductivity Calibrator. Density: 1g/mL.
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