Electrochemistry Buffers
Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
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pH
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Solution Type
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For Use With (Application)
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121
–
135
of
1,671
results
121
| Boiling Point | 100°C |
|---|---|
| Color | Undesignated |
| Traceability to NIST | Traceable to NIST. |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution, pH 3.00 |
| Grade | Certified |
| Identification | Pass Test |
| ChemAlert Storage Symbol | Gray |
| Density | 0.7g/cm³ |
| CAS | 7732-18-5 |
| Health Hazard 3 | Emergency Overview May cause eye, skin, and respiratory tract irritation. The toxicological properties have not been fully investigated. Use personal protective equipment. Ensure adequate ventilation. Wash off immediately with plenty of water for at least 15 minutes. Get medical attention immediately if symptoms occur. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Obtain medical attention. Move to fresh air. If breathing is difficult, give oxygen. Get medical attention immediately if symptoms occur. Do not induce vomiting. Do not induce vomiting. Obtain medical attention. NFPA Health:1 Flammability:0 Instability:0 |
| MDL Number | MFCD00146206 |
| Health Hazard 2 | CAUTION! |
| pH | 3.00 |
| Melting Point | 0°C |
122
123
Traceable™ ISO 17034 (formerly ISO Guide 34) Color-Coded CRM pH Buffers (Certified Reference Material), Fisherbrand™
Performs accurate, reproducible pH calibrations with color-coded bottles. Fisherbrand™ Traceable, Color-Coded buffers are Certified Reference Material pH Buffers.Compatible with all makes of pH instruments and electrodes.
| For Use With (Equipment) | pH Instruments and Electrodes |
|---|---|
| Physical Form | Liquid |
| Quantity | 473 mL |
| For Use With (Application) | Calibration |
| Solution Type | Buffer |
124
| 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 | MFCD00134130 |
| 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 |
125
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 |
126
| 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 |
127
Buffer solution, pH 1.00 (+/-0.026 @ 25oC), No Color, Specpure, NIST Traceable
For Calibration of pH Meters | CAS: 7447-40-7
| 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 |
| Color | Colorless |
| Physical Form | Liquid |
| Health Hazard 1 | H290 |
| Chemical Name or Material | Buffer solution |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Density | 1.005 |
| Vapor Pressure | 23 hPa (17mm Hg) at 20°C |
128
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 |
129
| 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 |
130
Thermo Scientific Chemicals Borate, 0.5M buffer soln., pH 8.5
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 |
131
| Molecular Weight (g/mol) | 136.08 |
|---|---|
| ChEBI | CHEBI:63036 |
| Chemical Name or Material | Buffer solution pH 7.00 |
| SMILES | [K+].OP(O)([O-])=O |
| Identification | Pass Test |
| InChI Key | GNSKLFRGEWLPPA-UHFFFAOYSA-M |
| Vapor Pressure | 760mmHg at 20°C |
| PubChem CID | 516951 |
| Absorbance | Pass Test |
| Name Note | Color-coded yellow |
| CAS | 7778-77-0 |
| MDL Number | MFCD00011401 MFCD00147253 |
| pH | 6.99 to 7.01 |
| IUPAC Name | potassium dihydrogen phosphate |
| Molecular Formula | H2KO4P |
132
| Linear Formula | KH2PO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Phosphate Buffer pH 7.2 |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| Name Note | For BOD |
| CAS | 12125-02-9 |
| 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 | Gaseous Ammonia; Phosphorus oxides |
| Health Hazard 2 | GHS H Statement Solution is not hazardous. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| pH | 7.2 ±0.1 |
| Recommended Storage | Room Temperature |
| Formula Weight | 136.09 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.17 |
133
| 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 |
134
| Name Note | Phthalate buffer |
|---|---|
| CAS | 7732-18-5 |
| MDL Number | MFCD00130806 |
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Packaging | Plastic bottle |
| Physical Form | Liquid |
| pH | 3.98 to 4.02 (20°C) |
| Chemical Name or Material | Buffer solution pH 4 |
| Molecular Formula | C8H5KO4 |
| Formula Weight | 204.23 |