Electrochemistry Buffers
Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
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For Use With (Application)
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286
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286
Ricca Chemical Company Citric/Phosphate Buffer, McIlvaine, pH 3.20, Ricca Chemical
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| Name Note | McIlvaine, pH 3.20 |
|---|---|
| CAS | 7558-79-4 |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 3.2 |
| CAS Min % | 0.03 |
| Chemical Name or Material | Citric/Phosphate Buffer |
| Grade | Laboratory |
| Concentration | 1X |
| For Use With (Application) | Water Analysis |
| Solution Type | Buffer |
| CAS Max % | 0.03 |
287
| Color | Colorless |
|---|---|
| Packaging | Poly Bottle |
| Physical Form | Liquid |
| pH | 5.0 to 5.5 |
| Recommended Storage | Room Temperature |
288
| Linear Formula | KHC8H4O4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 3.0 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| CAS | 67-56-1 |
| Health Hazard 3 | GHS P Statement If in contact with skin or eyes, rinse thoroughly with water for 15-20 minutes. If swallowed, get medical attention. |
| Decomposition Information | Formaldehyde; Carbon monoxide; Carbon dioxide |
| Health Hazard 2 | GHS H Statement Solution is not hazardous. |
| Solubility Information | Soluble in water |
| pH | 3.00 ±0.01 |
| Recommended Storage | Room Temperature |
| Formula Weight | 204.23 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.005 |
289
Buffer, Reference Standard, pH 3.56 ± 0.01 at 25°C, Ricca Chemical
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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| Color | Colorless |
|---|---|
| Physical Form | Liquid |
| CAS Min % | 0.06 |
| Chemical Name or Material | Buffer, Reference Standard |
| Grade | Reference Standard |
| Concentration | 1X |
| For Use With (Application) | Calibration |
| Sterility | Non-sterile |
| Name Note | pH 3.56± 0.01 at 25°C |
| CAS | 7732-18-5 |
| For Use With (Equipment) | pH Meter and Electrode |
| pH | 3.56 |
| Shelf Life | 24 months |
| Solution Type | pH Buffer |
| CAS Max % | 0.06 |
290
LabChem Chemical Solution, Buffer Solution, Color Coded Blue, Traceable to NIST
Chemical Solution, Buffer Solution has a pH of 10.0 at 25°C. Color Coded Blue. Traceable to NIST.
291
Buffer, Reference Standard, pH 7.70 ± 0.01 at 25°C, Ricca Chemical
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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| Name Note | pH 7.70± 0.01 at 25 °C |
|---|---|
| CAS | 7732-18-5 |
| For Use With (Equipment) | pH Meter and Electrode |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 7.7 |
| CAS Min % | 0.16 |
| Chemical Name or Material | Buffer, Reference Standard |
| Concentration | 1X |
| For Use With (Application) | Calibration |
| Solution Type | pH Buffer |
| CAS Max % | 0.17 |
293
| Linear Formula | HO2CCO2H |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 1.68 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| CAS | 1310-58-3 |
| Decomposition Information | Potassium oxide; Carbon monoxide; Carbon dioxide; Thermal decomposition generates: Corrosive vapors |
| Health Hazard 2 | GHS H Statement Causes severe skin burns and eye damage. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| pH | 1.68 ±0.01 |
| Health Hazard 1 | Danger |
| Recommended Storage | Room Temperature |
| Formula Weight | 90.04 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.19 |
294
| Name Note | For Chlorine, Iodine |
|---|---|
| Linear Formula | CH3COOHNa·3H2O |
| CAS | 6131-90-4 |
| Health Hazard 2 | GHS H Statement Causes skin irritation. Causes serious eye irritation. |
| Physical Form | Liquid |
| pH | 4.0 ±0.1 |
| Health Hazard 1 | Warning |
| Grade | Certified |
| Recommended Storage | Room Temperature |
| Formula Weight | 136.08 |
| CAS Max % | 22 |
295
| Linear Formula | KH2PO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 6.0 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| CAS | 1310-73-2 |
| Health Hazard 3 | GHS P Statement If in contact with skin or eyes, rinse thoroughly with water for 15-20 minutes. If swallowed, get medical attention. |
| Decomposition Information | Phosphorus oxides; Sodium oxide |
| Health Hazard 2 | GHS H Statement Solution is not hazardous. |
| Solubility Information | Soluble in water |
| pH | 6.00 ±0.01 |
| Recommended Storage | Room Temperature |
| Formula Weight | 136.09 |
| CAS Max % | 0.03 |
296
Buffer, Reference Standard, pH 6.84 ± 0.01 at 25°C, Ricca Chemical
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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297
Phosphate Buffer, for Cyanide, Ricca Chemical
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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For the Analysis of Cyanide and Cyanogen Chloride
| CAS | 10049-21-5 |
|---|---|
| Packaging | Natural Poly Bottle |
| Physical Form | Liquid |
| pH | 4 to 5 |
| Chemical Name or Material | Phosphate Buffer |
| Grade | Laboratory |
| Concentration | 1X |
| For Use With (Application) | Water Analysis |
| Solution Type | Buffer |
298
Buffer, Reference Standard, pH 4.63 ± 0.01 at 25°C, Ricca Chemical
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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299
Ricca Chemical Company Acetate Buffer Solution, pH 3.5, for USP Heavy Metals Testing, Ricca Chemical
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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| Packaging | Natural Poly Bottle |
|---|---|
| Physical Form | Liquid |
| pH | 3.5 |
| Chemical Name or Material | Acetate Buffer Solution |
| Grade | Laboratory |
| Solution Type | Buffer |
300
Buffer Concentrate, 5x, pH 7.00 ± 0.01 at 25°C (Color Coded Yellow), Ricca Chemical
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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To be diluted with 4 parts Water before use