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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331
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345
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1,642
results
331
332
| Name Note | Test Solution |
|---|---|
| CAS | 64-19-7 |
| Color | Colorless |
| Packaging | Natural Poly Bottle |
| Physical Form | Liquid |
| pH | 4.7 |
| CAS Min % | 5.16 |
| Chemical Name or Material | Acetic Acid-Ammonium Acetate Buffer |
| Grade | Laboratory |
| Concentration | 1X |
| For Use With (Application) | Product Monographs |
| Solution Type | Buffer |
| CAS Max % | 5.37 |
333
| CAS | 7732-18-5 |
|---|---|
| For Use With (Equipment) | pH Meter and Electrode |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 1.07 |
| Concentration | 1X |
| For Use With (Application) | Calibration |
| Solution Type | pH Buffer |
334
Nonaqueous Buffer Stock Solution B, Ricca Chemical
For Acid Number and Neutralization Number of Petroleum Products
| Name Note | For Acid Number and Neutralization Number of Petroleum Products |
|---|---|
| CAS | 107-15-3 |
| Color | Amber |
| Packaging | Amber Glass Bottle |
| Physical Form | Liquid |
| CAS Min % | 0.02 |
| Chemical Name or Material | Nonaqueous Buffer Stock Solution B |
| Grade | Laboratory |
| Concentration | 1X |
| For Use With (Application) | Water Analysis |
| Solution Type | Buffer |
| CAS Max % | 0.02 |
336
337
338
| Linear Formula | KCl |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 1.07 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| CAS | 7647-01-0 |
| Health Hazard 3 | GHS P Statement Wear eye protection, protective gloves. Wash exposed skin thoroughly after handling. If on skin: Wash with plenty of soap and water. Take off contaminated clothing. If skin irritation occurs: Get medical advice/attention. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. |
| Decomposition Information | Chlorine; Thermal decomposition generates: Corrosive vapors |
| Health Hazard 2 | GHS H Statement Causes skin irritation. Causes serious eye irritation. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| pH | 1.07 ±0.02 |
| Health Hazard 1 | Warning |
| Recommended Storage | Room Temperature |
| Formula Weight | 74.55 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.33 |
340
| Linear Formula | Na2HPO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | McIlvaine's Buffer |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| CAS | 89-83-8 |
| 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; Carbon dioxide; Carbon monoxide |
| Health Hazard 2 | GHS H Statement Solution is not hazardous. |
| Solubility Information | Soluble in water |
| pH | 3.20 ±0.05 |
| Recommended Storage | Room Temperature |
| Formula Weight | 141.96 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.01 |
341
pH 3 Buffer Standard, SPEX CertiPrep™
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
| Chemical Name or Material | pH 3 Buffer Standard |
|---|
342
| 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 |
343
| Linear Formula | C6H12N4 |
|---|---|
| Color | Colorless |
| Physical Form | Liquid |
| Chemical Name or Material | Turbidity Stock Solution II |
| Identification | Passes Test |
| Name Note | Hexamethylene Tetramine |
| Percent Purity | 10% |
| CAS | 7732-18-5 |
| Health Hazard 3 | GHS P Statement Avoid breathing mist, vapors, spray. Wear protective gloves, eye protection. Contaminated work clothing must not be allowed out of the workplace. If on skin: Wash with plenty of soap and water. If skin irritation or rash occurs: Get medical advice/attention. Take off contaminated clothing and wash it before reuse. Dispose of contents/container to comply with local, state and federal regulations. |
| Decomposition Information | Gaseous Ammonia; Nitrogen oxides |
| Health Hazard 2 | GHS H Statement May cause an allergic skin reaction. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| Health Hazard 1 | Warning |
| Recommended Storage | Refrigerate upon arrival |
| Formula Weight | 140.19 |
| CAS Max % | 10 |
344
| Linear Formula | Na2B4O7·10H2O |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Borate Buffer |
| Grade | Certified |
| Identification | Passes Test |
| Name Note | For Nitrogen (Ammonia), Nitrogen (Organic) |
| CAS | 1310-73-2 |
| Health Hazard 3 | GHS P Statement Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Wear protective gloves, eye protection. If exposed or concerned: Get medical advice/attention. Store locked up. Dispose of contents/container to comply with local, state and federal regulations. |
| Decomposition Information | Boron |
| Health Hazard 2 | GHS H Statement May damage fertility or the unborn child. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| pH | 9.50 ±0.20 |
| Health Hazard 1 | Danger |
| Recommended Storage | Room Temperature |
| Formula Weight | 381.37 |
| CAS Max % | 0.04 |
345
| Linear Formula | Na2HPO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 11.0 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| 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 | Phosphine; Phosphorus oxides; Phosgene |
| Health Hazard 2 | GHS H Statement Solution is not hazardous. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| pH | 11.00 ±0.05 |
| Recommended Storage | Room Temperature |
| Formula Weight | 141.96 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.01 |