Electrochemistry Buffers
Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
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136
| MDL Number | MFCD00012462 |
|---|---|
| Color | Colorless |
| Solubility Information | Soluble in water. |
| Physical Form | Liquid |
| pH | 6.5 |
| Chemical Name or Material | Sodium citrate buffer soln. |
| TSCA | Yes |
| Recommended Storage | Keep cold |
| Concentration | 0.5 M |
| Odor | Odorless |
137
Buffer solution pH 7.00 (+/-0.024 @ 25oC) Colored Green Specpure NIST Traceable
CAS: 1336-21-6 | H5NO | 35.05 g/mol
| Molecular Weight (g/mol) | 35.05 |
|---|---|
| ChEBI | CHEBI:18219 |
| Color | Green |
| Traceability to NIST | Yes |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer solution |
| Grade | Specpure™ |
| SMILES | N.O |
| InChI Key | VHUUQVKOLVNVRT-UHFFFAOYSA-N |
| Vapor Pressure | 23 hPa (17mm Hg) at 20°C |
| PubChem CID | 14923 |
| Name Note | NIST Traceable |
| CAS | 1336-21-6 |
| MDL Number | MFCD00066650 |
| Solubility Information | Miscible with water. |
| TSCA | No |
| Recommended Storage | Ambient temperatures |
| Molecular Formula | H5NO |
138
Acetate Buffer, pH 4.0, for Residual Chlorine Analysis, Ricca Chemical
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CAS: 7732-18-5
| CAS | 7732-18-5 |
|---|
139
| Linear Formula | KHC8H4O4 |
|---|---|
| Color | Colorless |
| 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 |
| 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 |
140
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 |
141
| MDL Number | MFCD00146206 |
|---|---|
| Solubility Information | Soluble in water (121mg/ml at 20°C). |
| Physical Form | Liquid |
| pH | 7.5 |
| Chemical Name or Material | Sodium phosphate buffer soln. |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Concentration | 0.5 M |
142
pH 8 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 8 Buffer Standard |
|---|
143
| Linear Formula | NH4OH |
|---|---|
| Color | Colorless |
| Physical Form | Liquid |
| UN Number | UN2672 |
| Chemical Name or Material | Water Hardness Buffer |
| Grade | Certified |
| Identification | Passes Test |
| Density | 0.96g/mL |
| Name Note | with Magnesium |
| CAS | 14402-88-1 |
| Health Hazard 3 | GHS P Statement Do not breathe vapors, mist, spray. Wear protective gloves, protective clothing, eye protection, face protection. Wash exposed skin thoroughly after handling. Avoid release to the environment. If swallowed: Rinse mouth. Do not induce vomiting. Immediately call a poison center/doctor. If on skin (or air): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. Immediately call a poison center/doctor. Wash contaminated clothing before reuse. If inhaled: Remove person to fresh air and keep comfortable for breathing. Immediately call a poison center/doctor. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a poison center/doctor. Store locked up. Dispose of contents/container to comply with local, state and federal regulations. |
| Decomposition Information | Fume; Carbon monoxide; Carbon dioxide; Thermal decomposition generates: Corrosive vapors |
| Health Hazard 2 | GHS H Statement Causes severe skin burns and eye damage. Toxic to aquatic life. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| Health Hazard 1 | Danger |
| Recommended Storage | Room Temperature |
| Formula Weight | 35.05 |
| Specific Gravity | 0.96g/mL |
| CAS Max % | 0.5 |
144
| 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 |
145
| 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 | Yellow |
| 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 |
146
Thermo Scientific Chemicals Sodium bicarbonate, 1M buffer soln., pH 9.4
CAS: 144-55-8 Molecular Formula: CHNaO3 Molecular Weight (g/mol): 84.01 MDL Number: MFCD00003528 InChI Key: UIIMBOGNXHQVGW-UHFFFAOYSA-M PubChem CID: 516892 ChEBI: CHEBI:32139 IUPAC Name: sodium;hydrogen carbonate SMILES: [Na+].OC([O-])=O
| PubChem CID | 516892 |
|---|---|
| CAS | 144-55-8 |
| Molecular Weight (g/mol) | 84.01 |
| ChEBI | CHEBI:32139 |
| MDL Number | MFCD00003528 |
| SMILES | [Na+].OC([O-])=O |
| IUPAC Name | sodium;hydrogen carbonate |
| InChI Key | UIIMBOGNXHQVGW-UHFFFAOYSA-M |
| Molecular Formula | CHNaO3 |
147
Buffer, Reference Standard, pH 7.40 ± 0.01 at 25°C, Ricca Chemical
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| Name Note | pH 7.40± 0.01 at 25°C |
|---|---|
| CAS | 7732-18-5 |
| For Use With (Equipment) | pH Meter and Electrode |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 7.4 |
| CAS Min % | 0.28 |
| Chemical Name or Material | Buffer, Reference Standard |
| Concentration | 1X |
| For Use With (Application) | Calibration |
| Solution Type | pH Buffer |
| CAS Max % | 0.29 |
148
| 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 |
149
Succinate, 0.2M buffer soln., pH 6.5, Thermo Scientific™
CAS: 150-90-3 Molecular Formula: C4H4Na2O4 Molecular Weight (g/mol): 162.052 MDL Number: MFCD00002789 InChI Key: ZDQYSKICYIVCPN-UHFFFAOYSA-L PubChem CID: 9020 ChEBI: CHEBI:63675 IUPAC Name: disodium;butanedioate SMILES: C(CC(=O)[O-])C(=O)[O-].[Na+].[Na+]
| PubChem CID | 9020 |
|---|---|
| CAS | 150-90-3 |
| Molecular Weight (g/mol) | 162.052 |
| ChEBI | CHEBI:63675 |
| MDL Number | MFCD00002789 |
| SMILES | C(CC(=O)[O-])C(=O)[O-].[Na+].[Na+] |
| IUPAC Name | disodium;butanedioate |
| InChI Key | ZDQYSKICYIVCPN-UHFFFAOYSA-L |
| Molecular Formula | C4H4Na2O4 |
150
pH 9 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.
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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 9 Buffer Standard |
|---|