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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 (77)
Electrochemistry Standards (51)
General Chemistry Solutions (40)
Life Science Buffers (34)
Matrix Blanks and Standardization Solutions (14)
Chromatography Standards (8)
Viscosity Standards (6)
Karl Fischer Buffers and Reagents (5)
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CAS: 497-19-8. Boiling Point: Approximately 100°C. Color: Blue. CAS: 3844-45-9.
Chemical Name or Material: Propargyl bromide. Color: White. CAS: 106-96-7. Boiling Point: 88.0°C to 90.0°C
Chemical Name or Material: Hydrochloric acid. CAS: 7647-01-0. Health Hazard 1: H290-H314-H335. Health Hazard 2: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). This material and/or its container must be disposed of as hazardous waste.
Description: Conductivity Standard. Packaging: Bottle. Traceability to NIST: Yes. Conductivity: 100 μS/cm.
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.
For Use With (Application): Calibration. For Use With (Equipment): pH Meter and Electrode. pH: 4; 10; 7. Physical Form: Liquid.
Packaging: Plastic Bottle. Traceability to NIST: Yes. Analyte or Component Names: Fresh Water Conductivity Calibrator. Density: 1g/mL.
Chemical Name or Material: Conductivity Standard. Packaging: Bottle. Conductivity: 10 μS/cm @ 25°C. Technique: Calibration of Conductivity Instrument.
Chemical Name or Material: Yttrium, Oil based standard solution. Name Note: Y 1000μg/mL. Recommended Storage: Ambient temperatures. TSCA: Yes.
Color: Colorless. CAS: 1336-21-6. Molecular Formula: H5NO. MDL Number: 66650.
Absorbance: 0.05 AU max. at 280nm Chemical Name or Material: Tris Base. CAS: 77-86-1. ChemAlert Storage Symbol: Gray.
Shelf Life: 18 months. Certificate of Analysis: Yes. Conductivity: 500μS/cm (±1% at 25°C). Physical Form: Liquid.
Shelf Life: 6 months. Certificate of Analysis: Yes. Conductivity: 10μS/cm (±1% at 25°C). Physical Form: Liquid.
Description: Conductivity Standard Solution. Packaging: Bottles. Certificate of Analysis: Yes. Conductivity: 1.3μS/cm ± 1%
Shelf Life: 18 months. Certificate of Analysis: Yes. Conductivity: 10,000μS/cm (±1% at 25°C). Physical Form: Liquid.