Electrochemistry Buffers
Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
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121
pH 10 Buffer Standard, SPEX CertiPrep™
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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ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
| Chemical Name or Material | pH 10 Buffer Standard |
|---|
122
| Linear Formula | KHC8H4O4 |
|---|---|
| Color | Red |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 4.0 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| Name Note | Color Coded Red |
| 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 | 4.00 to 4.01 |
| Recommended Storage | Room Temperature |
| Formula Weight | 204.23 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.005 |
123
| MDL Number | MFCD00146206 |
|---|---|
| Solubility Information | Fully miscible in water. |
| Physical Form | Liquid |
| pH | 8.0 |
| Chemical Name or Material | Sodium phosphate buffer soln. |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Concentration | 0.2 M |
124
Buffer solution, pH 6.86 (+/-0.024 @ 25oC), No Color, Specpure, NIST Traceable
CAS: 1336-21-6 | H5NO | 35.05 g/mol
| Molecular Weight (g/mol) | 35.05 |
|---|---|
| ChEBI | CHEBI:18219 |
| Color | Colorless |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer solution |
| SMILES | N.O |
| InChI Key | VHUUQVKOLVNVRT-UHFFFAOYSA-N |
| PubChem CID | 14923 |
| CAS | 1336-21-6 |
| MDL Number | MFCD00066650 |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Molecular Formula | H5NO |
| Odor | Odorless |
125
| MDL Number | MFCD00146206 |
|---|---|
| Solubility Information | Miscible with water. Immiscible with alcohol. |
| Physical Form | Liquid |
| pH | 7.4 |
| Chemical Name or Material | Sodium phosphate buffer soln. |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Concentration | 0.2 M |
126
Buffer solution, pH 12.00 (+/-0.01 @ 25oC), No Color, Specpure, NIST Traceable
CAS: 1336-21-6 | H5NO | 35.05 g/mol
| PubChem CID | 14923 |
|---|---|
| CAS | 1336-21-6 |
| Molecular Weight (g/mol) | 35.05 |
| ChEBI | CHEBI:18219 |
| MDL Number | MFCD00066650 |
| Solubility Information | Immiscible with water. |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer solution |
| SMILES | N.O |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| InChI Key | VHUUQVKOLVNVRT-UHFFFAOYSA-N |
| Molecular Formula | H5NO |
127
| Health Hazard 3 | GHS P Statement P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. 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. |
|---|---|
| MDL Number | MFCD00012462 |
| Health Hazard 2 | GHS H Statement H319 Causes serious eye irritation. |
| Color | Colorless |
| Solubility Information | Fully miscible in water. |
| Physical Form | Liquid |
| pH | 6.0 |
| Health Hazard 1 | Warning |
| Chemical Name or Material | Sodium citrate buffer soln. |
| TSCA | Yes |
| Recommended Storage | Keep cold |
| Concentration | 0.5 M |
| Odor | Odorless |
128
| 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 |
129
Ricca Chemical Company Buffer, Reference Standard, pH 2.00 ± 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.
Learn More
130
| Concentration or Composition (by Analyte or Components) | Sodium hydroxide: 0.7%; Potassium dihydrogen phosphate: 0.7%; water: 98.6% |
|---|---|
| CAS | 7732-18-5 |
| MDL Number | MFCD00146206 |
| Color | Red |
| Solubility Information | Miscible with water. |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer solution |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Vapor Pressure | 23 hPa (17mm Hg) at 20°C |
131
| Linear Formula | Na2HPO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 12.45 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| CAS | 1310-73-2 |
| Decomposition Information | Phosphine; Phosphorus oxides; Phosgene; 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 | 12.45 ±0.05 |
| Health Hazard 1 | Danger |
| Recommended Storage | Room Temperature |
| Formula Weight | 141.96 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.16 |
132
| Linear Formula | KH2PO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 6.86 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 | 6.86 ±0.01 |
| Recommended Storage | Room Temperature |
| Formula Weight | 136.09 |
| CAS Max % | 0.07 |
133
Thermo Scientific Chemicals Borate, 0.5M buffer soln., pH 9.5
CAS: 1330-43-4 Molecular Formula: B4Na2O7 Molecular Weight (g/mol): 201.21 MDL Number: MFCD00081185 InChI Key: NXSVMNYRVBQCMO-UHFFFAOYSA-N IUPAC Name: disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(ylium)-1,5-diuide-1,5-bis(olate) SMILES: [Na+].[Na+].[O-][B-]12O[B+]O[B-]([O-])(O[B+]O1)O2
| CAS | 1330-43-4 |
|---|---|
| Molecular Weight (g/mol) | 201.21 |
| MDL Number | MFCD00081185 |
| SMILES | [Na+].[Na+].[O-][B-]12O[B+]O[B-]([O-])(O[B+]O1)O2 |
| IUPAC Name | disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(ylium)-1,5-diuide-1,5-bis(olate) |
| InChI Key | NXSVMNYRVBQCMO-UHFFFAOYSA-N |
| Molecular Formula | B4Na2O7 |
134
| Absorbance | Pass Test |
|---|---|
| Name Note | Color-coded Red |
| pH | 3.99 to 4.01 |
| Chemical Name or Material | Buffer solution, pH 4.00 |
| Grade | Certified |
| Identification | Pass Test |
135
| Linear Formula | Na2HPO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 12.0 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| CAS | 1310-73-2 |
| Decomposition Information | Phosphine; Phosphorus oxides; Phosgene; Thermal decomposition generates: Corrosive vapors |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| pH | 12.00 ±0.05 |
| Recommended Storage | Room Temperature |
| Formula Weight | 141.96 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.07 |