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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331
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345
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1,670
results
331
| Linear Formula | Na2B4O7·10H2O |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 9.18 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| CAS | 7732-18-5 |
| Decomposition Information | Boron |
| Health Hazard 2 | GHS H Statement May damage fertility or the unborn child. |
| Solubility Information | Soluble in water |
| pH | 9.18 ±0.01 |
| Health Hazard 1 | Danger |
| Recommended Storage | Room Temperature |
| Formula Weight | 381.37 |
| CAS Max % | 0.38 |
332
| Linear Formula | Na2HPO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | McIlvaine's Buffer |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| CAS | 89-83-8 |
| 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; Carbon dioxide; Carbon monoxide |
| Health Hazard 2 | GHS H Statement Solution is not hazardous. |
| Solubility Information | Soluble in water |
| pH | 3.20 ±0.05 |
| Recommended Storage | Room Temperature |
| Formula Weight | 141.96 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.01 |
333
| Linear Formula | Na2HPO4 |
|---|---|
| Color | Colorless |
| Traceability to NIST | Traceable to NIST |
| Physical Form | Liquid |
| Chemical Name or Material | Buffer Solution pH 11.0 at 25°C |
| Grade | Certified |
| Identification | Passes Test |
| Density | 1g/mL |
| 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 | Phosphine; Phosphorus oxides; Phosgene |
| Health Hazard 2 | GHS H Statement Solution is not hazardous. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| pH | 11.00 ±0.05 |
| Recommended Storage | Room Temperature |
| Formula Weight | 141.96 |
| Specific Gravity | 1g/mL |
| CAS Max % | 0.01 |
334
| 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 |
335
| 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 |
336
| Linear Formula | H4N2·H2SO4 |
|---|---|
| Color | Colorless |
| Physical Form | Liquid |
| Chemical Name or Material | Turbidity Stock Solution I |
| Identification | Passes Test |
| Name Note | Hydrazine Sulfate |
| Percent Purity | 1% |
| CAS | 7732-18-5 |
| Decomposition Information | Nitrogen oxides; Gaseous Ammonia |
| Health Hazard 2 | GHS H Statement May cause an allergic skin reaction. May cause cancer. Harmful to aquatic life with long lasting effects. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| Health Hazard 1 | Danger |
| Recommended Storage | Room Temperature |
| Formula Weight | 130.12 |
| CAS Max % | 1 |
337
| Color | Colorless |
|---|---|
| Packaging | Poly Bottle |
| Physical Form | Liquid |
| pH | 5.0 to 5.5 |
| Recommended Storage | Room Temperature |
338
| 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 |
340
| Linear Formula | CH3COONH4 |
|---|---|
| Color | Colorless |
| Physical Form | Liquid |
| UN Number | UN2790 |
| Chemical Name or Material | Ammonium Acetate Buffer |
| Grade | Certified |
| Identification | Passes Test |
| Name Note | For Iron |
| CAS | 7732-18-5 |
| Health Hazard 3 | GHS P Statement Do not breathe vapors, mist, spray. Wear protective gloves, protective clothing, eye protection, face protection. Wash exposed skin thoroughly after handling. Use only outdoors or in a well-ventilated area. Avoid release to the environment. If swallowed: Rinse mouth. Do not induce vomiting. Immediately call a poison center/doctor. If on skin (or air): Remove immediately all contaminated clothing. Rinse skin with water/shower. Immediately call a poison center/doctor. Wash contaminated clothing before reuse. If inhaled: Remove person to fresh air and keep comfortable for breathing. Immediately call a poison center/doctor. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a poison center/doctor. Keep container tightly closed. Store locked up and in a well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations. |
| Decomposition Information | Fume; Carbon monoxide; Carbon dioxide; Thermal decomposition generates: Corrosive vapors; Gaseous Ammonia |
| Health Hazard 2 | GHS H Statement Causes severe skin burns and eye damage. May cause respiratory irritation. Harmful to aquatic life. |
| Solubility Information | Soluble in water |
| Packaging | Poly Bottle |
| Health Hazard 1 | Danger |
| Recommended Storage | Room Temperature |
| Molecular Formula | CH3COONH4 |
| Formula Weight | 77.08 |
| CAS Max % | 8.89 |
341
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 |
342
| 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 |
343
| 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 |
344
Buffer pH 11.00 ± 0.01 at 25°C Reference Standard, Reagents
Buffer pH 11.00 ± 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 | 1310-73-2 |
| For Use With (Equipment) | pH Meter |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 11 |
| Chemical Name or Material | Buffer pH 11.00 ± 0.01 at 25°C Reference Standard |
| For Use With (Application) | Calibration |
| Sterility | Non-sterile |
| Specific Gravity | 1.0074 |
| Solution Type | Buffer |
| Melting Point | 0°C |
345
TISAB I, for Fluoride ISE, Reagents
CAS: 7732-18-5 Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: Total Ionic Strength Adjustment Buffer IUPAC Name: water SMILES: O
| CAS | 7732-18-5 |
|---|---|
| Molecular Weight (g/mol) | 18.02 |
| SMILES | O |
| Synonym | Total Ionic Strength Adjustment Buffer |
| IUPAC Name | water |
| InChI Key | XLYOFNOQVPJJNP-UHFFFAOYSA-N |
| Molecular Formula | H2O |