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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405
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391
Reagents Holdings Llc Buffer pH 0.50 ± 0.01 at 25°C Reference Standard, Reagents
Buffer pH 0.50 ± 0.01 at 25°C Reference Standard, NIST Traceable, use for pH meter calibration. Manufactured in ISO 9001 facility. NIST Traceable.
392
| 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 |
393
Reagents Holdings Llc TISAB IV Solution, Reagents
TISAB IV Solution, Reagent, use for Water analysis (Fluoride). Manufactured in ISO 9001 facility.
| Boiling Point | 100°C |
|---|---|
| CAS | 6106-24-7 |
| For Use With (Equipment) | Fluoride Meter |
| Color | Colorless |
| Physical Form | Liquid |
| Chemical Name or Material | TISAB IV Solution |
| Grade | Reagent |
| Synonym | Total Ionic Strength Adjustment Buffer |
| Sterility | Non-sterile |
| Specific Gravity | 1.1 |
| Solution Type | Buffer |
394
Reagents Holdings Llc Acetate Buffer, pH 4.5, Reagents
Acetate Buffer, pH 4.5, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.
395
Reagents Holdings Llc Buffer pH 9.18 ± 0.01 at 25°C Reference Standard, Reagents
Buffer pH 9.18 ± 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 | 9.18 |
| Chemical Name or Material | Buffer pH 9.18 ± 0.01 at 25°C Reference Standard |
| For Use With (Application) | Calibration |
| Sterility | Non-sterile |
| Specific Gravity | 1.0034 |
| Solution Type | Buffer |
| Melting Point | 0°C |
396
Reagents Holdings Llc Acetate Buffer, pH 4, Reagents
Acetate Buffer, pH 4, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.
| Boiling Point | 100°C |
|---|---|
| CAS | 64-19-7 |
| Color | Colorless |
| Physical Form | Liquid |
| Chemical Name or Material | Acetate Buffer, pH 4 |
| Grade | Reagent |
| Sterility | Non-sterile |
| Specific Gravity | 1.0627 |
| Solution Type | Buffer |
397
Reagents Holdings Llc Sodium Formate Buffer, pH 2.9, Reagents
Sodium Formate Buffer, pH 2.9, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.
398
Reagents Holdings Llc Buffer pH 2.00 ± 0.01 at 25°C Colored Red, Reagents
Buffer pH 2.00 ± 0.01 at 25°C Colored Red, 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 | Red |
| Physical Form | Liquid |
| pH | 2 |
| Chemical Name or Material | Buffer pH 2.00 ± 0.01 at 25°C Colored Red |
| For Use With (Application) | Calibration |
| Sterility | Non-sterile |
| Specific Gravity | 1.001 |
| Solution Type | Buffer |
| Melting Point | 0°C |
399
Reagents Holdings Llc Buffer pH 5.50 ± 0.01 at 25°C Reference Standard, Reagents
Buffer pH 5.50 ± 0.01 at 25°C Reference Standard, NIST Traceable, use for pH meter calibration. Manufactured in ISO 9001 facility. NIST Traceable.
400
Reagents Holdings Llc Buffer pH 6.00 ± 0.01 at 25°C Reference Standard, Reagents
Buffer pH 6.00 ± 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.
401
Reagents Holdings Llc Buffer pH 4.00± 0.01 at 25°C Reference Standard, Reagents
Buffer pH 4.00± 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.
402
| 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 |
403
Reagents Holdings Llc Buffer pH 13.00 ± 0.01 at 25°C Reference Standard, Reagents
Buffer pH 13.00 ± 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 | 7447-40-7 |
| For Use With (Equipment) | pH Meter |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 13 |
| Chemical Name or Material | Buffer pH 13.00 ± 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 |
405
| Linear Formula | KCl |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 1.07 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| CAS | 7647-01-0 |
| 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 | Chlorine; Thermal decomposition generates: Corrosive vapors |
| Health Hazard 2 | GHS H Statement Causes skin irritation. Causes serious eye irritation. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| pH | 1.07 ±0.02 |
| Health Hazard 1 | Warning |
| Recommended Storage | Room Temperature |
| Formula Weight | 74.55 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.33 |