
Electrochemistry Buffers
Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
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pH
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For Use With (Application)
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Buffer, Reference Standard, pH 4.00 ± 0.01 at 25°C, Ricca Chemical
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Name Note | pH 4.00 ± 0.01 at 25 deg C |
---|---|
CAS | 7732-18-5 |
For Use With (Equipment) | pH Meter and Electrode |
Physical Form | Liquid |
pH | 4 |
CAS Min % | 0.99 |
Chemical Name or Material | Buffer, Reference Standard |
Concentration | 1X |
For Use With (Application) | Calibration |
Solution Type | pH Buffer |
CAS Max % | 1.03 |
Buffer, Reference Standard, pH 9.18 ± 0.01 at 25°C, Ricca Chemical
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CAS | 7732-18-5 |
---|---|
For Use With (Equipment) | pH Meter and Electrode |
Color | Colorless |
Physical Form | Liquid |
pH | 9.18 |
Concentration | 1X |
Shelf Life | 18 months |
For Use With (Application) | Calibration |
Solution Type | pH Buffer |
Buffer, Reference Standard, pH 10.00 ± 0.01 at 25°C, Ricca Chemical
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SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
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Supports traceability with guaranteed access to certificates and proactive change notifications.
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Small and Specialty Supplier Partner
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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CAS | 7732-18-5 |
---|---|
For Use With (Equipment) | pH Meter and Electrode |
Physical Form | Liquid |
pH | 10 |
CAS Min % | 0.03 |
Chemical Name or Material | Buffer, Reference Standard |
Concentration | 1X |
For Use With (Application) | Calibration |
Solution Type | pH Buffer |
CAS Max % | 0.03 |
Total Ionic Strength Adjustment Buffer (TISAB II), with CDTA, Ricca Chemical
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For Fluoride Analysis using Ion Selective Electrodes

Name Note | With CDTA |
---|---|
CAS | 13291-61-7 |
For Use With (Equipment) | Ion Selective Electrode |
Physical Form | Liquid |
pH | 5.4 |
CAS Min % | 0.33 |
Chemical Name or Material | Buffer Solution, Total Ionic Strength Adjustment Buffer (TISAB II) |
Grade | Laboratory |
Concentration | 1X |
For Use With (Application) | Fluoride Analysis |
Solution Type | Buffer |
CAS Max % | 0.34 |
Buffer, Reference Standard, pH 7.00 ± 0.01 at 25°C, Ricca Chemical
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Name Note | pH 7.00 ± 0.01 at 25 deg C |
---|---|
CAS | 7732-18-5 |
For Use With (Equipment) | pH Meter and Electrode |
Physical Form | Liquid |
pH | 7 |
CAS Min % | 0.48 |
Chemical Name or Material | Buffer, Reference Standard |
Concentration | 1X |
For Use With (Application) | Calibration |
Solution Type | pH Buffer |
CAS Max % | 0.5 |
Buffer, Reference Standard, pH 5.00 ± 0.01 at 25°C, Ricca Chemical
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SureTRACE
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Supports traceability with guaranteed access to certificates and proactive change notifications.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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CAS | 1310-73-2 |
---|---|
For Use With (Equipment) | pH Meter and Electrode |
Color | Colorless |
Physical Form | Liquid |
pH | 5 |
Concentration | 1X |
For Use With (Application) | Calibration |
Solution Type | pH Buffer |
Buffer, Reference Standard, pH 6.86 ± 0.01 at 25°C, Ricca Chemical
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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 |
Buffer, Reference Standard, pH 9.00 ± 0.01 at 25°C, Ricca Chemical
SureTRACE
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Small and Specialty Supplier Partner
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SureTRACE
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Supports traceability with guaranteed access to certificates and proactive change notifications.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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CAS | 7447-40-7 |
---|---|
For Use With (Equipment) | pH Meter and Electrode |
Color | Colorless |
Physical Form | Liquid |
pH | 9 |
Concentration | 1X |
For Use With (Application) | Calibration |
Solution Type | pH Buffer |
Micro Essential Lab Hydrion™ Buffer Chemvelopes
Powdered ingredients make precision buffers: ±0.02pH at 25°C

Absorbance | Pass Test |
---|---|
Name Note | Traceable to NIST |
pH | 9.98 to 10.02 |
Chemical Name or Material | Buffer solution, pH 10.00 |
Grade | Certified |
Identification | Pass Test |
pH 7 Buffer Standard, SPEX CertiPrep™
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ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
Chemical Name or Material | pH 7 Buffer Standard |
---|
Buffer Solution, pH 4.00, Color-Coded Red (Certified), Fisher Chemical PROMO
pH/temperature conversions given on label.
pH 10 Buffer Standard, SPEX CertiPrep™
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
Chemical Name or Material | pH 10 Buffer Standard |
---|