Electrochemistry Buffers
Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
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For Use With (Application)
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406
Acetate Buffer, pH 4.0 for Residual Chlorine Analysis, Reagents
Acetate Buffer, pH 4.0 for Residual Chlorine Analysis, Reagent, use for Water and wastewater analysis. Manufactured in ISO 9001 facility.
| Boiling Point | 118°C |
|---|---|
| CAS | 7732-18-5 |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 4 |
| Chemical Name or Material | Acetate Buffer, pH 4.0 for Residual Chlorine Analysis |
| Grade | Reagent |
| Sterility | Non-sterile |
| Specific Gravity | 1.15 |
| Solution Type | Buffer |
407
Acetate Buffer, Plating Formula 2X, Reagents
Acetate Buffer, Plating Formula 2X, Reagent, use for Plating of metals. Manufactured in ISO 9001 facility.
408
Buffer pH 7.00 ± 0.01 at 25°C, Color-Coded Yellow Reference Standard, Reagents
Buffer pH 7.00 ± 0.01 at 25°C, Color-Coded Yellow Reference Standard, Reference Buffer, use for pH meter calibration. Manufactured in ISO 9001 facility. Accredited to ISO 17025, NIST Traceable.
| Boiling Point | 100°C |
|---|---|
| CAS | 26628-22-8 |
| For Use With (Equipment) | pH Meter |
| Color | Yellow |
| Physical Form | Liquid |
| pH | 7 |
| Chemical Name or Material | Buffer pH 7.00 ± 0.01 at 25°C, Color-Coded Yellow Reference Standard |
| For Use With (Application) | Calibration |
| Sterility | Non-sterile |
| Specific Gravity | 1.006 |
| Solution Type | Buffer |
| Melting Point | 0°C |
409
Buffer pH 2.00 ± 0.01 at 25°C Reference Standard, Reagents
Buffer pH 2.00 ± 0.01 at 25°C Reference Standard, Reference Buffer, use for pH meter calibration. Manufactured in ISO 9001 facility. Accredited to ISO 17025, NIST Traceable.
| Boiling Point | 100°C |
|---|---|
| CAS | 7647-01-0 |
| For Use With (Equipment) | pH Meter |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 2 |
| Chemical Name or Material | Buffer pH 2.00 ± 0.01 at 25°C Reference Standard |
| For Use With (Application) | Calibration |
| Sterility | Non-sterile |
| Specific Gravity | 1.001 |
| Solution Type | Buffer |
| Melting Point | 0°C |
410
Ammonium Chloride/Ammonium Hydroxide Buffer (Copper Buffer), Reagents
Ammonium Chloride/Ammonium Hydroxide Buffer (Copper Buffer), Reagent, use for EDTA titrations. Manufactured in ISO 9001 facility.
| CAS | 1336-21-6 |
|---|---|
| Color | Colorless |
| Physical Form | Liquid |
| pH | 11.5 to 12.5 |
| Chemical Name or Material | Ammonium Chloride/Ammonium Hydroxide Buffer (Copper Buffer) |
| Grade | Reagent |
| Concentration | 1 M |
| For Use With (Application) | Titration |
| Sterility | Non-sterile |
| Specific Gravity | 1.0185 |
| Solution Type | Buffer |
411
Buffer pH 7.00 ± 0.01 at 25°C Reference Standard, Reagents
Buffer pH 7.00 ± 0.01 at 25°C Reference Standard, Reference Buffer, use for pH meter calibration. Manufactured in ISO 9001 facility. Accredited to ISO 17025, NIST Traceable.
| Boiling Point | 100°C |
|---|---|
| CAS | 26628-22-8 |
| For Use With (Equipment) | pH Meter |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 7 |
| Chemical Name or Material | Buffer pH 7.00 ± 0.01 at 25°C Reference Standard |
| For Use With (Application) | Calibration |
| Sterility | Non-sterile |
| Specific Gravity | 1.006 |
| Solution Type | Buffer |
| Melting Point | 0°C |
412
Buffer pH 10.00 ± 0.01 at 25°C, Color-Coded Blue Reference Standard, Reagents
Buffer pH 10.00 ± 0.01 at 25°C, Color-Coded Blue Reference Standard, Reference Buffer, use for pH meter calibration. Manufactured in ISO 9001 facility. Accredited to ISO 17025, NIST Traceable.
| Boiling Point | 100°C |
|---|---|
| CAS | 144-55-8 |
| For Use With (Equipment) | pH Meter |
| Color | Blue |
| Physical Form | Liquid |
| pH | 10 |
| Chemical Name or Material | Buffer pH 10.00 ± 0.01 at 25°C, Color-Coded Blue Reference Standard |
| For Use With (Application) | Calibration |
| Sterility | Non-sterile |
| Specific Gravity | 1.0027 |
| Solution Type | Buffer |
| Melting Point | 0°C |
413
Buffer pH 8.00 ± 0.01 at 25°C Reference Standard, Reagents
Buffer pH 8.00 ± 0.01 at 25°C Reference Standard, Reference Buffer, use for pH meter calibration. Manufactured in ISO 9001 facility. Accredited to ISO 17025, NIST Traceable.
| Boiling Point | 100°C |
|---|---|
| CAS | 1303-96-4 |
| For Use With (Equipment) | pH Meter |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 8 |
| Chemical Name or Material | Buffer pH 8.00 ± 0.01 at 25°C Reference Standard |
| For Use With (Application) | Calibration |
| Sterility | Non-sterile |
| Specific Gravity | 1.005 |
| Solution Type | Buffer |
| Melting Point | 0°C |
414
Buffer pH 4.00 ± 0.01 at 25°C, Color-Coded Red Reference Standard, Reagents
Buffer pH 4.00 ± 0.01 at 25°C, Color-Coded Red Reference Standard, Reference Buffer, use for pH meter calibration. Manufactured in ISO 9001 facility. Accredited to ISO 17025, NIST Traceable.
| Boiling Point | 100°C |
|---|---|
| CAS | 877-24-7 |
| For Use With (Equipment) | pH Meter |
| Color | Pink |
| Physical Form | Liquid |
| pH | 4 |
| Chemical Name or Material | Buffer pH 4.00 ± 0.01 at 25°C, Color-Coded Red Reference Standard |
| For Use With (Application) | Calibration |
| Sterility | Non-sterile |
| Specific Gravity | 1.0039 |
| Solution Type | Buffer |
| Melting Point | 0°C |
415
| Linear Formula | NaH2PO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Phosphate Buffer pH 4.1 |
| Grade | Certified |
| Identification | Passes Test |
| Name Note | For Cyanide |
| 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 | Phosphine; Phosphorus oxides; Phosgene |
| Health Hazard 2 | GHS H Statement Solution is not hazardous. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| pH | 4.1 ±0.3 |
| Recommended Storage | Refrigerate |
| Formula Weight | 119.98 |
416
| Linear Formula | CH3COONH4 |
|---|---|
| Color | Colorless |
| Physical Form | Liquid |
| Chemical Name or Material | Ammonium Acetate Buffer |
| Grade | Certified |
| Identification | Passes Test |
| Name Note | For Iron |
| CAS | 631-61-8 |
| Health Hazard 3 | GHS P Statement Wear eye protection, protective gloves. Wash exposed skin thoroughly after handling. If on skin: Wash with plenty of soap and water. Take off contaminated clothing. If skin irritation occurs: Get medical advice/attention. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. |
| Decomposition Information | Gaseous Ammonia |
| Health Hazard 2 | GHS H Statement Causes skin irritation. Causes serious eye irritation. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| Health Hazard 1 | Warning |
| Recommended Storage | Room Temperature |
| Molecular Formula | CH3COONH4 |
| Formula Weight | 77.08 |
| CAS Max % | 9.55 |
417
| Linear Formula | KH2PO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 7.7 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 | 7.70 ±0.01 |
| Recommended Storage | Room Temperature |
| Formula Weight | 136.09 |
| CAS Max % | 0.11 |
419
| Linear Formula | C6H12N4 |
|---|---|
| Color | Colorless |
| Physical Form | Liquid |
| Chemical Name or Material | Turbidity Stock Solution II |
| Identification | Passes Test |
| Name Note | Hexamethylene Tetramine |
| Percent Purity | 10% |
| CAS | 7732-18-5 |
| Health Hazard 3 | GHS P Statement Avoid breathing mist, vapors, spray. Wear protective gloves, eye protection. Contaminated work clothing must not be allowed out of the workplace. If on skin: Wash with plenty of soap and water. If skin irritation or rash occurs: Get medical advice/attention. Take off contaminated clothing and wash it before reuse. Dispose of contents/container to comply with local, state and federal regulations. |
| Decomposition Information | Gaseous Ammonia; Nitrogen oxides |
| Health Hazard 2 | GHS H Statement May cause an allergic skin reaction. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| Health Hazard 1 | Warning |
| Recommended Storage | Refrigerate upon arrival |
| Formula Weight | 140.19 |
| CAS Max % | 10 |
420
Ionic Strength Adjustment Sodium Hydroxide Buffer, 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.
Learn More
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material