EPA Methods Standards
Environmental Protection Agency standards suitable for use as reference materials for assaying environmental sample conditions; includes standards for use in determining air, water, and soil quality.
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Technique
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121
Surrogate Standard, SPEX CertiPrep™
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CAS: 110-56-5 Molecular Formula: C4H8Cl2 Molecular Weight (g/mol): 127.01 MDL Number: MFCD00001011 InChI Key: KJDRSWPQXHESDQ-UHFFFAOYSA-N PubChem CID: 8059 IUPAC Name: 1,4-dichlorobutane SMILES: ClCCCCCl
| PubChem CID | 8059 |
|---|---|
| CAS | 110-56-5 |
| Molecular Weight (g/mol) | 127.01 |
| MDL Number | MFCD00001011 |
| SMILES | ClCCCCCl |
| IUPAC Name | 1,4-dichlorobutane |
| InChI Key | KJDRSWPQXHESDQ-UHFFFAOYSA-N |
| Molecular Formula | C4H8Cl2 |
122
Purgeable Gases, Mix B, High Level, SPEX CertiPrep™
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ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
123
Long List Appendix IX Compounds Mix E, High Level, SPEX CertiPrep™
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ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
124
Cyclohexane, SPEX CertiPrep™
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CAS: 110-82-7 Molecular Formula: C6H12 Molecular Weight (g/mol): 84.16 MDL Number: MFCD00003814 InChI Key: XDTMQSROBMDMFD-UHFFFAOYSA-N PubChem CID: 8078 ChEBI: CHEBI:29005 IUPAC Name: cyclohexane SMILES: C1CCCCC1
| PubChem CID | 8078 |
|---|---|
| CAS | 110-82-7 |
| Molecular Weight (g/mol) | 84.16 |
| ChEBI | CHEBI:29005 |
| MDL Number | MFCD00003814 |
| SMILES | C1CCCCC1 |
| IUPAC Name | cyclohexane |
| InChI Key | XDTMQSROBMDMFD-UHFFFAOYSA-N |
| Molecular Formula | C6H12 |
125
Global/ICH Precious Metals 1mp B (without Os), SPEX CertiPrep™
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ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
126
Interference Check Standard 18 For Environmental Analysis, SPEX CertiPrep™
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ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
| Type | Certified Reference Material |
|---|---|
| Concentration or Composition Notes | Up to 68 elements are scanned with found values for ICP and ICP-MS standards. The found value of the trace metallic impurities is reported on the Certificate of Analysis. |
| Concentration or Composition (by Analyte or Components) | Various |
| For Use With (Equipment) | AA, ICP, ICP/MS, IC, XRF, and Other Analytical Instrumentation |
| Health Hazard 1 | Danger: Causes severe skin burns and eye damage Do not breathe dusts or mists. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. 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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations. |
| Packaging | Triple-leached LDPE bottle |
| DOT Information | Hazardous |
| Chemical Name or Material | Interference Check Standard 18 |
| Grade | Environmental |
| Recommended Storage | Ambient |
| Technique | AA,ICP |
| Solvent or Matrix | 5% HNO3 |
127
Internal Standard, 2,4,5,6-Tetrachloro-m-xylene, SPEX CertiPrep™
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CAS: 877-09-8 Molecular Formula: C8H6Cl4 Molecular Weight (g/mol): 243.936 InChI Key: NTUBJKOTTSFEEV-UHFFFAOYSA-N PubChem CID: 70139 IUPAC Name: 1,2,3,5-tetrachloro-4,6-dimethylbenzene SMILES: CC1=C(C(=C(C(=C1Cl)Cl)Cl)C)Cl
| PubChem CID | 70139 |
|---|---|
| CAS | 877-09-8 |
| Molecular Weight (g/mol) | 243.936 |
| SMILES | CC1=C(C(=C(C(=C1Cl)Cl)Cl)C)Cl |
| IUPAC Name | 1,2,3,5-tetrachloro-4,6-dimethylbenzene |
| InChI Key | NTUBJKOTTSFEEV-UHFFFAOYSA-N |
| Molecular Formula | C8H6Cl4 |
128
Acetonitrile, SPEX CertiPrep™
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CAS: 75-05-8 Molecular Formula: C2H3N Molecular Weight (g/mol): 41.053 InChI Key: WEVYAHXRMPXWCK-UHFFFAOYSA-N PubChem CID: 6342 ChEBI: CHEBI:38472 IUPAC Name: acetonitrile SMILES: CC#N
| PubChem CID | 6342 |
|---|---|
| CAS | 75-05-8 |
| Molecular Weight (g/mol) | 41.053 |
| ChEBI | CHEBI:38472 |
| SMILES | CC#N |
| IUPAC Name | acetonitrile |
| InChI Key | WEVYAHXRMPXWCK-UHFFFAOYSA-N |
| Molecular Formula | C2H3N |
129
Restek Corporation Glyphosate Standard, 1000μg/mL in distilled water, Restek
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CAS: 1071-83-6 Molecular Formula: C3H8NO5P Molecular Weight (g/mol): 169.07 MDL Number: MFCD00055350 InChI Key: XDDAORKBJWWYJS-UHFFFAOYSA-N PubChem CID: 3496 ChEBI: CHEBI:27744 IUPAC Name: 2-[(phosphonomethyl)amino]acetic acid SMILES: OC(=O)CNCP(O)(O)=O
| PubChem CID | 3496 |
|---|---|
| CAS | 1071-83-6 |
| Molecular Weight (g/mol) | 169.07 |
| ChEBI | CHEBI:27744 |
| MDL Number | MFCD00055350 |
| SMILES | OC(=O)CNCP(O)(O)=O |
| IUPAC Name | 2-[(phosphonomethyl)amino]acetic acid |
| InChI Key | XDDAORKBJWWYJS-UHFFFAOYSA-N |
| Molecular Formula | C3H8NO5P |
130
Restek Corporation Acid Surrogate Standard Mix (3/90 SOW), Restek™
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131
Restek Corporation Methyl behenate, Restek
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132
Restek Corporation Methyl caproate, Restek
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133
Restek Corporation B/N Surrogate Mix (4/89 SOW), Restek™
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134
Restek Corporation MCPA, Restek
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135
Restek Corporation Organophosphorus Pesticide Mix, 8270/Appendix IX, Restek
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