Electrochemistry Buffers
Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
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Thermo Scientific™ Orion™ pH Buffer Bottles
Perform accurate, reproducible pH calibrations with these color-coded buffer bottles.
| For Use With (Equipment) | pH Meter and Electrode |
|---|---|
| Traceability to NIST | Yes |
| Physical Form | Liquid |
| Chemical Name or Material | pH Buffer, bottles |
| CAS | 7732-18-5 |
|---|---|
| For Use With (Equipment) | pH Meter and Electrode |
| Color | Green |
| Physical Form | Liquid |
| pH | 7 |
| Concentration | 1X |
| Shelf Life | 24 months |
| For Use With (Application) | Calibration |
| Solution Type | Colored pH Buffer |
| CAS Max % | 0.5 |
VeriSpec™ pH Buffer, Certified Reference Material
ISO 17025/17034 pH Buffer Certified Reference Materials provide the highest level of quality assurance. A certificate of analysis providing the specified property value, uncertainty, and traceability is available with every bottle.
| For Use With (Equipment) | pH Meter and Electrode |
|---|---|
| Physical Form | Liquid |
| Certificate of Analysis | Yes |
| Grade | Certified |
| For Use With (Application) | Calibration |
| Solution Type | pH Buffer |
| Product Line | VeriSpec |
Micro Essential Lab Hydrion™ Buffer Chemvelopes
Powdered ingredients make precision buffers: ±0.02pH at 25°C
| Description | pH 10.01 (Blue) Buffer |
|---|---|
| Traceability to NIST | Yes |
| pH | 10.01 |
| Solution Type | Buffer |
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Buffer Solution, pH 7.00 (Certified), Fisher Chemical™
Buffer Solution, pH 7.00 (Certified), Fisher Chemical™
Potassium Phosphate Monobasic/Sodium Hydroxide
| Color | Colorless |
|---|---|
| Traceability to NIST | Traceable to NIST. |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution, pH 7.00 |
| Grade | Certified |
| Identification | Pass Test |
| ChemAlert Storage Symbol | Gray |
| Density | 1.003g/cm³ |
| Vapor Pressure | 14mmHg at 20°C |
| CAS | 7732-18-5 |
| MDL Number | MFCD00134130 |
| pH | 7.00 |
| Synonym | Chlorine Titrimeter Reagent |
| Melting Point | 0°C |
pH Buffer Sachets, METTLER TOLEDO™
Greener Choice
Offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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Greener Choice
Offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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Offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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| CAS | 7664-38-2 |
|---|---|
| Molecular Weight (g/mol) | 380.17 |
| MDL Number | MFCD00146206 |
| Traceability to NIST | Traceable to NIST. |
| Packaging | Poly Bottle |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Concentrate, pH 7.00 |
| Grade | Certified |
| Identification | Pass Test |
| InChI Key | UEUXEKPTXMALOB-UHFFFAOYSA-J |
| Molecular Formula | C10H12N2Na4O8 |
| ChemAlert Storage Symbol | Gray |
| CAS | 7732-18-5 |
|---|---|
| For Use With (Equipment) | pH Meter and Electrode |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 6.86 |
| CAS Min % | 0.33 |
| Concentration | 1X |
| For Use With (Application) | Calibration |
| Solution Type | pH Buffer |
| CAS Max % | 0.34 |
| MDL Number | MFCD00146206 |
|---|---|
| Physical Form | Liquid |
| pH | 7.6 |
| Chemical Name or Material | Sodium phosphate buffer soln. |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Concentration | 0.5 M |
| MDL Number | MFCD00146206 |
|---|---|
| Solubility Information | Soluble in water (121mg/ml at 20°C). |
| Physical Form | Liquid |
| pH | 8.0 |
| Chemical Name or Material | Sodium phosphate buffer soln. |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Concentration | 0.5 M |