Electrochemistry Buffers
Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
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Physical Form
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pH
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Solution Type
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For Use With (Application)
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1
–
15
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382
results
1
| Boiling Point | 100°C |
|---|---|
| Color | Blue |
| Traceability to NIST | Traceable to NIST. |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution, pH 10.00, Color-Coded Blue |
| Grade | Certified |
| Identification | Pass Test |
| ChemAlert Storage Symbol | Gray |
| Absorbance | Pass Test |
| CAS | 1310-58-3 |
| Health Hazard 3 | Emergency Overview May cause eye, skin, and respiratory tract irritation. 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. Obtain medical attention. Obtain medical attention. . NFPA Health:1 Flammability:0 Instability:0 |
| MDL Number | MFCD00146206 |
| Health Hazard 2 | CAUTION! |
| pH | 10.0 |
| Specific Gravity | 1.013 at 25°C |
| Melting Point | 0°C |
2
| CAS | 67-56-1 |
|---|---|
| Health Hazard 3 | Emergency Overview Contains a known or suspected carcinogen. 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! |
| Color | Undesignated |
| Traceability to NIST | Traceable to NIST. |
| Physical Form | Liquid |
| pH | 4.0 |
| Chemical Name or Material | Buffer Solution, pH 4.00 |
| Grade | Certified |
| Identification | Pass Test |
| ChemAlert Storage Symbol | Gray |
| Density | 1.0054g/cm³ |
3
| Boiling Point | 100°C |
|---|---|
| Color | Undesignated |
| Traceability to NIST | Traceable to NIST. |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution, pH 2.00 |
| Grade | Certified |
| Identification | In Pass Test |
| ChemAlert Storage Symbol | Gray |
| Density | 1.0g/cm³ |
| CAS | 7732-18-5 |
| Health Hazard 3 | Emergency Overview May cause skin, eye, and respiratory tract irritation. The toxicological properties have not been fully investigated. WARNING! This product contains a chemical known in the State of California to |
| MDL Number | MFCD00146206 |
| Health Hazard 2 | CAUTION! |
| pH | 2.00 |
| Health Hazard 1 | Signal Word: CAUTION! |
| DOT Information | DOT Class 8, : Corrosive |
| Melting Point | 0°C |
4
Promotions Available
Buffer Solution, pH 8.00 (Certified), Fisher Chemical™
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Buffer Solution, pH 8.00 (Certified), Fisher Chemical™
Potassium Phosphate Monobasic/Sodium Hydroxide
| CAS | 7732-18-5 |
|---|---|
| Health Hazard 3 | Emergency Overview Irritating to eyes and skin. 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. Obtain medical attention. 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:2 Flammability:0 Instability:0 |
| MDL Number | MFCD00147253 |
| Health Hazard 2 | WARNING! |
| Traceability to NIST | Traceable to NIST. |
| Physical Form | Liquid |
| pH | 8.0 |
| Chemical Name or Material | Buffer Solution, pH 8.00 |
| Grade | Certified |
| Identification | Pass Test |
| ChemAlert Storage Symbol | Gray |
5
Thermo Scientific™ Orion™ pH Buffer Bottles
Perform accurate, reproducible pH calibrations with these color-coded buffer bottles.
| For Use With (Equipment) | pH Meter and Electrode |
|---|---|
| Traceability to NIST | Yes |
| Physical Form | Liquid |
| Chemical Name or Material | pH Buffer, bottles |
6
VeriSpec™ pH Buffer, Certified Reference Material
ISO 17025/17034 pH Buffer Certified Reference Materials provide the highest level of quality assurance. A certificate of analysis providing the specified property value, uncertainty, and traceability is available with every bottle.
| For Use With (Equipment) | pH Meter and Electrode |
|---|---|
| Physical Form | Liquid |
| Certificate of Analysis | Yes |
| Grade | Certified |
| For Use With (Application) | Calibration |
| Solution Type | pH Buffer |
| Product Line | VeriSpec |
7
| 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 |
8
| Boiling Point | 100°C |
|---|---|
| Description | Potassium Phosphate Monobasic/Sodium Hydroxide. pH/temperature conversions given on label. |
| Color | Yellow |
| Traceability to NIST | Traceable to NIST. |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution, pH 7.00, Color-Coded Yellow |
| Grade | Certified |
| Identification | Pass Test |
| ChemAlert Storage Symbol | Gray |
| Density | 1.0g/cm³ |
| Vapor Pressure | 760mmHg at 20°C |
| Absorbance | Pass Test |
| CAS | 1934-21-0 |
| Health Hazard 3 | Emergency Overview May cause eye, skin, and respiratory tract irritation. Handle in accordance with good industrial hygiene and safety practice. 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. Obtain medical attention. . . NFPA Health:1 Flammability:0 Instability:0 |
| MDL Number | MFCD00134130 |
| Health Hazard 2 | CAUTION! |
| Solubility Information | Soluble in water |
| pH | 7.00 |
| Specific Gravity | 1 |
| Melting Point | 0°C |
9
Buffer Solution, pH 4.00, Color-Coded Red (Certified), Fisher Chemical™
pH/temperature conversions given on label
| Boiling Point | 100°C |
|---|---|
| Description | pH/temperature conversions given on label. |
| Color | Red |
| Traceability to NIST | Traceable to NIST. |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution, pH 4.00, Color-Coded Red |
| Grade | Certified |
| Identification | Pass Test |
| ChemAlert Storage Symbol | Gray |
| Density | 1.0g/cm³ |
| Absorbance | Pass Test |
| Concentration or Composition (by Analyte or Components) | Potassium Hydrogen Phthalate |
| CAS | 16423-68-0 |
| Health Hazard 3 | Emergency Overview Contains a known or suspected carcinogen. 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! |
| Solubility Information | Soluble in water |
| pH | 4.0 |
| Specific Gravity | 1 |
| Melting Point | 0°C |
10
Buffer Solution, pH 7.00 (Certified), Fisher Chemical™
Potassium Phosphate Monobasic/Sodium Hydroxide
| Color | Colorless |
|---|---|
| Traceability to NIST | Traceable to NIST. |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution, pH 7.00 |
| Grade | Certified |
| Identification | Pass Test |
| ChemAlert Storage Symbol | Gray |
| Density | 1.003g/cm³ |
| Vapor Pressure | 14mmHg at 20°C |
| CAS | 7732-18-5 |
| MDL Number | MFCD00134130 |
| pH | 7.00 |
| Synonym | Chlorine Titrimeter Reagent |
| Melting Point | 0°C |
11
12
Buffer Solution, pH 10.00 (Certified), Fisher Chemical™
Potassium Carbonate/Potassium Tetraborate/Potassium Hydroxide/Disodium EDTA Dihydrate
| CAS | 12228-88-5 |
|---|---|
| Health Hazard 3 | Emergency Overview May cause eye, skin, and respiratory tract irritation. Handle in accordance with good industrial hygiene and safety practice. Wear personal protective equipment. 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. Obtain medical attention. Obtain medical attention. . NFPA Health:1 Flammability:0 Instability:0 |
| MDL Number | MFCD00146206 |
| Health Hazard 2 | CAUTION! |
| Color | Colorless |
| Traceability to NIST | Traceable to NIST. |
| Physical Form | Liquid |
| pH | 10 |
| Chemical Name or Material | Buffer Solution, pH 10.00 |
| Grade | Certified |
| Identification | Pass Test |
| ChemAlert Storage Symbol | Gray |
13
Promotions Available
Buffer Solution, pH 7.40 (Certified), Fisher Chemical™
![]()
Buffer Solution, pH 7.40 (Certified), Fisher Chemical™
Potassium Phosphate Monobasic/Sodium Hydroxide
| Boiling Point | 100°C |
|---|---|
| CAS | 7732-18-5 |
| MDL Number | MFCD00134130 |
| Traceability to NIST | Traceable to NIST. |
| Packaging | Poly Bottle |
| Physical Form | Liquid |
| pH | 7.4 |
| Chemical Name or Material | Buffer Solution, pH 7.40 |
| Grade | Certified |
| Identification | Pass Test |
| ChemAlert Storage Symbol | Gray |
| Density | 1.0g/cm³ |
| Melting Point | 0°C |
14
| Name Note | pH 7.00 ± 0.01 at 25 deg C |
|---|---|
| CAS | 7732-18-5 |
| For Use With (Equipment) | pH Meter and Electrode |
| Physical Form | Liquid |
| pH | 7 |
| CAS Min % | 0.48 |
| Chemical Name or Material | Buffer, Reference Standard |
| Concentration | 1X |
| For Use With (Application) | Calibration |
| Solution Type | pH Buffer |
| CAS Max % | 0.5 |
15
| 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 |