Electrochemistry Buffers
Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
Quantity
- (2)
- (1)
- (248)
- (12)
- (2)
- (2)
- (76)
- (3)
- (6)
- (3)
- (18)
- (1)
- (1)
- (1)
- (1)
- (1)
- (3)
- (2)
- (1)
- (1)
- (3)
- (4)
- (1)
- (2)
- (2)
- (120)
- (1)
- (1)
- (2)
- (1)
- (1)
- (16)
- (6)
- (3)
- (9)
- (2)
- (31)
- (2)
- (1)
- (1)
- (2)
- (4)
- (177)
- (1)
- (1)
- (5)
- (1)
- (1)
- (2)
- (1)
- (4)
- (45)
- (4)
- (5)
- (1)
- (11)
- (1)
- (1)
- (345)
- (1)
- (4)
- (21)
- (8)
- (9)
- (2)
- (1)
- (9)
- (2)
Physical Form
- (24)
- (11)
- (1)
- (950)
- (2)
- (5)
- (16)
pH
- (1)
- (1)
- (1)
- (3)
- (2)
- (14)
- (1)
- (1)
- (5)
- (5)
- (3)
- (5)
- (1)
- (16)
- (2)
- (4)
- (52)
- (14)
- (5)
- (8)
- (6)
- (7)
- (2)
- (6)
- (1)
- (3)
- (1)
- (2)
- (14)
- (1)
- (1)
- (3)
- (7)
- (14)
- (2)
- (2)
- (2)
- (12)
- (1)
- (2)
- (2)
- (2)
- (12)
- (1)
- (1)
- (7)
- (21)
- (1)
- (3)
- (6)
- (4)
- (1)
- (2)
- (1)
- (1)
- (19)
- (4)
- (2)
- (6)
- (3)
- (3)
- (12)
- (2)
- (4)
- (1)
- (3)
- (2)
- (46)
- (2)
- (4)
- (1)
- (5)
- (1)
- (23)
- (5)
- (1)
- (4)
- (1)
- (11)
- (6)
- (1)
- (1)
- (12)
- (2)
- (9)
- (1)
- (4)
- (1)
- (2)
- (1)
- (1)
- (1)
- (7)
- (1)
- (4)
- (1)
- (2)
- (2)
- (1)
- (1)
- (17)
- (9)
- (6)
- (2)
- (1)
- (7)
- (1)
- (5)
- (12)
- (1)
- (1)
- (2)
- (23)
- (4)
- (3)
- (7)
- (1)
- (1)
- (1)
- (7)
- (1)
- (1)
- (1)
- (13)
- (2)
- (7)
- (2)
- (1)
- (2)
- (2)
- (67)
- (16)
- (12)
- (2)
- (25)
- (1)
- (1)
- (1)
- (8)
- (3)
- (3)
- (2)
- (11)
- (3)
- (2)
- (6)
- (1)
- (2)
- (5)
- (4)
- (18)
- (15)
- (7)
- (11)
- (1)
- (1)
- (1)
- (18)
- (1)
- (1)
- (14)
- (3)
- (7)
- (1)
- (12)
- (2)
- (5)
- (1)
- (2)
- (3)
- (3)
- (1)
- (2)
- (2)
- (1)
Solution Type
- (2)
- (386)
- (1)
- (8)
- (1)
- (35)
- (1)
- (14)
- (28)
- (4)
- (2)
- (212)
- (1)
- (1)
For Use With (Application)
- (1)
- (2)
- (1)
- (8)
- (6)
- (16)
- (3)
- (377)
- (1)
- (15)
- (1)
- (13)
- (4)
- (1)
- (1)
- (5)
- (5)
- (21)
- (77)
- (3)
- (10)
- (49)
- (15)
Filtered Search Results
Products from some of our suppliers do not display in filtered search results. Please
clear all filters
to see these products.
16
–
30
of
1,575
results
16
| Linear Formula | KH2PO4 |
|---|---|
| Color | Yellow |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 7.0 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| Name Note | Color Coded Yellow |
| 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 | 7.00 ±0.01 |
| Recommended Storage | Room Temperature |
| Formula Weight | 136.09 |
| CAS Max % | 0.08 |
17
Ricca Chemical Company Buffer, Reference Standard, pH 4.00 ± 0.01 at 25°C (Color Coded Red), Ricca Chemical
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
| Name Note | pH 4.00 ± 0.01 at 25 deg C (Color Coded Red) |
|---|---|
| CAS | 7732-18-5 |
| For Use With (Equipment) | pH Meter and Electrode |
| Physical Form | Liquid |
| pH | 4 |
| CAS Min % | 0.99 |
| Chemical Name or Material | Buffer, Reference Standard |
| Concentration | 1X |
| For Use With (Application) | Calibration |
| Solution Type | Colored pH Buffer |
| CAS Max % | 1.03 |
18
Promotions Available
VeriSpec™ pH Buffer, Certified Reference Material
![]()
VeriSpec™ pH Buffer, Certified Reference Material
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.
Learn More
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
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 |
19
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 |
20
| 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 |
21
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 |
22
.jpg-250.jpg)
Thermo Scientific™ Orion™ All-in-One™ pH Buffer Kits
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.
Learn More
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
Work with ease using this color-coded pH buffer kit that includes three buffers, storage solution and a storage bottle.
| Traceability to NIST | Yes |
|---|---|
| Packaging | Kit |
23
| Linear Formula | KH2PO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 8.0 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 | 8.00 ±0.01 |
| Recommended Storage | Room Temperature |
| Formula Weight | 136.09 |
| CAS Max % | 0.12 |
24
| Linear Formula | KH2PO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 7.0 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 | 7.00 ±0.01 |
| Recommended Storage | Room Temperature |
| Formula Weight | 136.09 |
| CAS Max % | 0.08 |
25
| Linear Formula | KCl |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| UN Number | UN1789 |
| Chemical Name or Material | Buffer Solution pH 1.0 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| CAS | 7647-01-0 |
| Decomposition Information | Chlorine; 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 | 1.00 ±0.02 |
| Health Hazard 1 | Danger |
| Recommended Storage | Room Temperature |
| Formula Weight | 74.55 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.05 |
26
| Linear Formula | KHC8H4O4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 3.0 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 | 3.00 ±0.01 |
| Recommended Storage | Room Temperature |
| Formula Weight | 204.23 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.005 |
27
Ricca Chemical Company Buffer, Reference Standard, pH 12.00 ± 0.01 at 25°C, Ricca Chemical
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
| Boiling Point | 100°C |
|---|---|
| Color | Colorless |
| Physical Form | Liquid |
| CAS Min % | 0.08 |
| Chemical Name or Material | Buffer, Reference Standard |
| Grade | Reference Standard |
| Concentration | 1X |
| For Use With (Application) | Calibration |
| Sterility | Non-sterile |
| Name Note | pH 12.00± 0.01 at 25°C |
| CAS | 7732-18-5 |
| For Use With (Equipment) | pH Meter and Electrode |
| Solubility Information | Miscible |
| pH | 12 |
| DOT Information | Not Regulated by DOT |
| Shelf Life | 18 months |
| Solution Type | pH Buffer |
| CAS Max % | 0.08 |
| Melting Point | 0°C |
28
Ricca Chemical Company Buffer, Reference Standard, pH 13.00 ± 0.01 at 25°C, Ricca Chemical
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
| Name Note | pH 13.00± 0.01 at 25°C |
|---|---|
| CAS | 7447-40-7 |
| For Use With (Equipment) | pH Meter and Electrode |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 13 |
| CAS Min % | 0.36 |
| Chemical Name or Material | Buffer, Reference Standard |
| Concentration | 1X |
| For Use With (Application) | Calibration |
| Solution Type | pH Buffer |
| CAS Max % | 0.37 |
29
| Boiling Point | 100°C |
|---|---|
| Color | Undesignated |
| Traceability to NIST | Traceable to NIST. |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution, pH 6.00 |
| Grade | Certified |
| Identification | Pass Test |
| ChemAlert Storage Symbol | Gray |
| CAS | 1310-73-2 |
| 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! |
| pH | 6.00 |
| Melting Point | 0°C |
30
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 |