Electrochemistry Buffers
Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
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91
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105
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91
pH Buffer Pouches, Oakton™
CAS: 7732-18-5 Molecular Formula: C8H5KO4 Molecular Weight (g/mol): 204.222 InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M PubChem CID: 23676735 IUPAC Name: potassium;2-carboxybenzoate SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
| PubChem CID | 23676735 |
|---|---|
| CAS | 7732-18-5 |
| Molecular Weight (g/mol) | 204.222 |
| SMILES | C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+] |
| IUPAC Name | potassium;2-carboxybenzoate |
| InChI Key | IWZKICVEHNUQTL-UHFFFAOYSA-M |
| Molecular Formula | C8H5KO4 |
92
Buffer solution pH 4.01 (+/-0.022 @ 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 |
| Vapor Pressure | 23 hPa (17mm Hg) at 20°C |
| PubChem CID | 14923 |
| MDL Number | MFCD00066650 |
| Solubility Information | Miscible with water. |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| IUPAC Name | azanium;hydroxide |
| Molecular Formula | H5NO |
| Odor | Odorless |
93
| 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 |
94
Sodium bicarbonate, 1M buffer soln., pH 8.5
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 |
95
| MDL Number | MFCD00146206 |
|---|---|
| Solubility Information | Fully miscible. |
| Physical Form | Liquid |
| pH | 7.0 |
| Chemical Name or Material | Sodium phosphate buffer soln. |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Concentration | 0.5 M |
96
Buffer solution, pH 2.00 (+/-0.026 @ 25oC), No Color, Specpure, NIST Traceable
For Calibration of pH Meters | CAS: 7447-40-7
| Color | Colorless |
|---|---|
| Traceability to NIST | Yes |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer solution |
| Vapor Pressure | 23 hPa (17mm Hg) at 20°C |
| Concentration or Composition (by Analyte or Components) | Potassium chloride: 0.7%; Hydrochloric acid: 0.7%; water: 98.6% |
| CAS | 7732-18-5 |
| Health Hazard 3 | P234-P390 |
| MDL Number | MFCD00146252 |
| Health Hazard 2 | In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves and eye/face protection. This material and/or its container must be disposed of as hazardous waste. |
| Solubility Information | Soluble in water. |
| Health Hazard 1 | H290 |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
98
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 |
99
| CAS | 7732-18-5 |
|---|---|
| Color | Colorless |
| Packaging | Plastic bottle |
| Physical Form | Liquid |
| pH | 9.98 to 10.02 (20°C) |
| Health Hazard 1 | |
| Chemical Name or Material | Buffer solution pH 10 |
100
pH 5 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 5 Buffer Standard |
|---|
101
Nitrate ISE Fill Solution, Fisherbrand
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
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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105
Phthalate Buffer, Fisher 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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