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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241
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255
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1,659
results
241
| MDL Number | MFCD00146206 |
|---|---|
| Physical Form | Liquid |
| pH | 9.0 |
| Chemical Name or Material | Sodium phosphate buffer soln. |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Concentration | 0.2 M |
242
Maleate, 0.2M buffer soln., pH 5.5, Thermo Scientific™
CAS: 3105-55-3 Molecular Formula: C4H2NaO4 Molecular Weight (g/mol): 137.05 MDL Number: MFCD00070246 InChI Key: VRVKOZSIJXBAJG-ODZAUARKSA-L PubChem CID: 91658932 SMILES: [Na+].[O-]C(=O)\C=C/C([O-])=O
| PubChem CID | 91658932 |
|---|---|
| CAS | 3105-55-3 |
| Molecular Weight (g/mol) | 137.05 |
| MDL Number | MFCD00070246 |
| SMILES | [Na+].[O-]C(=O)\C=C/C([O-])=O |
| InChI Key | VRVKOZSIJXBAJG-ODZAUARKSA-L |
| Molecular Formula | C4H2NaO4 |
243
| MDL Number | MFCD00012462 |
|---|---|
| Color | Colorless |
| Solubility Information | Soluble in water. |
| Physical Form | Liquid |
| pH | 6.5 |
| Chemical Name or Material | Sodium citrate buffer soln. |
| TSCA | Yes |
| Recommended Storage | Keep cold |
| Concentration | 0.5 M |
| Odor | Odorless |
244
Succinate, 0.2M buffer soln., pH 5.0, Thermo Scientific™
CAS: 150-90-3 Molecular Formula: C4H4Na2O4 Molecular Weight (g/mol): 162.052 MDL Number: MFCD00002789 InChI Key: ZDQYSKICYIVCPN-UHFFFAOYSA-L PubChem CID: 9020 ChEBI: CHEBI:63675 IUPAC Name: disodium;butanedioate SMILES: C(CC(=O)[O-])C(=O)[O-].[Na+].[Na+]
| PubChem CID | 9020 |
|---|---|
| CAS | 150-90-3 |
| Molecular Weight (g/mol) | 162.052 |
| ChEBI | CHEBI:63675 |
| MDL Number | MFCD00002789 |
| SMILES | C(CC(=O)[O-])C(=O)[O-].[Na+].[Na+] |
| IUPAC Name | disodium;butanedioate |
| InChI Key | ZDQYSKICYIVCPN-UHFFFAOYSA-L |
| Molecular Formula | C4H4Na2O4 |
245
| Color | Blue |
|---|---|
| Traceability to NIST | Yes |
| Physical Form | Liquid |
| pH | 9.99 to 10.01 (5% soln. at 25°C) |
| Chemical Name or Material | Buffer, pH 10 Reference standard solution |
246
Buffer solution pH 3.0 (20°C), Citric acid / sodium hydroxide / sodium chloride solution, with fungicide, traceable to SRM from NIST and PTB, Solstice
Citric acid / sodium hydroxide / sodium chloride solution, with fungicide, traceable to SRM from NIST and PTB
| CAS | 7732-18-5 |
|---|---|
| UN Number | NONH for all modes of transport |
247
| Health Hazard 3 | GHS P Statement P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. 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. |
|---|---|
| MDL Number | MFCD00012462 |
| Health Hazard 2 | GHS H Statement H319 Causes serious eye irritation. |
| Color | Colorless |
| Solubility Information | Soluble in water. |
| Physical Form | Liquid |
| pH | 5.5 |
| Health Hazard 1 | Warning |
| Chemical Name or Material | Sodium citrate buffer soln. |
| TSCA | No |
| Recommended Storage | Keep cold |
| Concentration | 0.5 M |
| Odor | Odorless |
248
| Health Hazard 3 | GHS P Statement P280-P305+P351+P338-P310 Wear protective gloves/protective clothing/eye protection/face protection. 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 or doctor/physician. |
|---|---|
| MDL Number | MFCD00012462 |
| Health Hazard 2 | GHS H Statement H318 Causes serious eye damage. |
| Color | Colorless |
| Solubility Information | It is soluble in water (29.4g/L) at 20°C. Insoluble in ethanol. |
| Physical Form | Liquid |
| pH | 5.0 |
| Health Hazard 1 | Danger |
| Chemical Name or Material | Sodium citrate buffer soln. |
| TSCA | No |
| Recommended Storage | Keep cold |
| Concentration | 0.5 M |
| Odor | Odorless |
249
| Packaging | Poly Bottle |
|---|---|
| Chemical Name or Material | Phosphate Buffer Solution Ph 7.2 |
250
Thermo Scientific Chemicals Sodium borate, 0.5M buffer soln., pH 8.0
CAS: 1330-43-4 Molecular Formula: B4Na2O7 Molecular Weight (g/mol): 201.21 MDL Number: MFCD00081185 InChI Key: NXSVMNYRVBQCMO-UHFFFAOYSA-N IUPAC Name: disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(ylium)-1,5-diuide-1,5-bis(olate) SMILES: [Na+].[Na+].[O-][B-]12O[B+]O[B-]([O-])(O[B+]O1)O2
| CAS | 1330-43-4 |
|---|---|
| Molecular Weight (g/mol) | 201.21 |
| MDL Number | MFCD00081185 |
| SMILES | [Na+].[Na+].[O-][B-]12O[B+]O[B-]([O-])(O[B+]O1)O2 |
| IUPAC Name | disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(ylium)-1,5-diuide-1,5-bis(olate) |
| InChI Key | NXSVMNYRVBQCMO-UHFFFAOYSA-N |
| Molecular Formula | B4Na2O7 |
251
| MDL Number | MFCD00146206 |
|---|---|
| Physical Form | Liquid |
| pH | 7.6 |
| Chemical Name or Material | Sodium phosphate buffer soln. |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Concentration | 0.5 M |
252
253
Acetate Buffer, for Iron (Phenanthroline Method), Ricca Chemical
For Analysis of Iron (pHenanthroline Method)
| CAS | 7732-18-5 |
|---|---|
| Color | Colorless |
| Physical Form | Liquid |
| CAS Min % | 12.95 |
| Chemical Name or Material | Acetate Buffer |
| Grade | Laboratory |
| Concentration | 1X |
| For Use With (Application) | Iron Analysis |
| Solution Type | Buffer |
| CAS Max % | 13.48 |
254
| Name Note | pH 7.70± 0.01 at 25 °C |
|---|---|
| CAS | 7732-18-5 |
| For Use With (Equipment) | pH Meter and Electrode |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 7.7 |
| CAS Min % | 0.16 |
| Chemical Name or Material | Buffer, Reference Standard |
| Concentration | 1X |
| For Use With (Application) | Calibration |
| Solution Type | pH Buffer |
| CAS Max % | 0.17 |
255
| CAS | 10049-21-5 |
|---|---|
| Packaging | Natural Poly Bottle |
| Physical Form | Liquid |
| pH | 7 |
| Chemical Name or Material | Phosphate Buffer Solution |
| Grade | Laboratory |
| Concentration | 1X |
| For Use With (Application) | Water Analysis |
| Solution Type | Buffer |