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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91 – 105 of 994 results

Regular Unleaded Gas-87octane, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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Fluoride Standard, Certified, 5.00ppm ±0.10ppm (1mL = 0.005mg F^-), LabChem™

CAS: 7681-49-4 Molecular Formula: FNa Molecular Weight (g/mol): 41.99 MDL Number: MFCD00003524 InChI Key: PUZPDOWCWNUUKD-UHFFFAOYSA-M PubChem CID: 5235 ChEBI: CHEBI:28741 IUPAC Name: sodium fluoride SMILES: [F-].[Na+]

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Specifications

PubChem CID	5235
CAS	7681-49-4
Molecular Weight (g/mol)	41.99
ChEBI	CHEBI:28741
MDL Number	MFCD00003524
SMILES	[F-].[Na+]
IUPAC Name	sodium fluoride
InChI Key	PUZPDOWCWNUUKD-UHFFFAOYSA-M
Molecular Formula	FNa

Organochlorine Pesticides Mix B, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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Specifications

Chemical Name or Material	Organochlorine Pesticides Mix B

Internal Standard, Fluorobenzene, SPEX CertiPrep™

CAS: 462-06-6 Molecular Formula: C6H5F Molecular Weight (g/mol): 96.10 MDL Number: MFCD00000280 InChI Key: PYLWMHQQBFSUBP-UHFFFAOYSA-N PubChem CID: 10008 ChEBI: CHEBI:5115 IUPAC Name: fluorobenzene SMILES: FC1=CC=CC=C1

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Specifications

PubChem CID	10008
CAS	462-06-6
Molecular Weight (g/mol)	96.10
ChEBI	CHEBI:5115
MDL Number	MFCD00000280
SMILES	FC1=CC=CC=C1
IUPAC Name	fluorobenzene
InChI Key	PYLWMHQQBFSUBP-UHFFFAOYSA-N
Molecular Formula	C6H5F

Long List Appendix IX Compounds Mix E, High Level, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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2-Methylpropane, SPEX CertiPrep™

CAS: 75-28-5 Molecular Formula: C4H10 Molecular Weight (g/mol): 58.124 InChI Key: NNPPMTNAJDCUHE-UHFFFAOYSA-N PubChem CID: 6360 ChEBI: CHEBI:30363 IUPAC Name: 2-methylpropane SMILES: CC(C)C

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Specifications

PubChem CID	6360
CAS	75-28-5
Molecular Weight (g/mol)	58.124
ChEBI	CHEBI:30363
SMILES	CC(C)C
IUPAC Name	2-methylpropane
InChI Key	NNPPMTNAJDCUHE-UHFFFAOYSA-N
Molecular Formula	C4H10

Purgeable Gases, Mix B, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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TCLP Standard 1 For Environmental Analysis, SPEX CertiPrep™

CAS: 7697-37-2 Molecular Formula: HNO3 Molecular Weight (g/mol): 63.01 MDL Number: MFCD00011349 InChI Key: GRYLNZFGIOXLOG-UHFFFAOYSA-N PubChem CID: 944 ChEBI: CHEBI:48107 IUPAC Name: nitric acid SMILES: O[N+]([O-])=O

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Specifications

PubChem CID	944
CAS	7697-37-2
Molecular Weight (g/mol)	63.01
ChEBI	CHEBI:48107
MDL Number	MFCD00011349
SMILES	O[N+]([O-])=O
IUPAC Name	nitric acid
InChI Key	GRYLNZFGIOXLOG-UHFFFAOYSA-N
Molecular Formula	HNO3

Alternate Metals Standards For ICP, SPEX CertiPrep™

Alternate Metals Multi-Element Standard for AA & ICP, 125 mL, includes WP-11 and MN-4. ISO Guide 34 Certified, NIST Traceable Certified Reference Materials. Supplied with comprehensive Certificate of Analysis.

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100

Pyridine, SPEX CertiPrep™

CAS: 110-86-1 Molecular Formula: C5H5N Molecular Weight (g/mol): 79.102 InChI Key: JUJWROOIHBZHMG-UHFFFAOYSA-N PubChem CID: 1049 ChEBI: CHEBI:16227 IUPAC Name: pyridine SMILES: C1=CC=NC=C1

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Specifications

PubChem CID	1049
CAS	110-86-1
Molecular Weight (g/mol)	79.102
ChEBI	CHEBI:16227
SMILES	C1=CC=NC=C1
IUPAC Name	pyridine
InChI Key	JUJWROOIHBZHMG-UHFFFAOYSA-N
Molecular Formula	C5H5N

101

Phthalate Esters Mix, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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102

2-Chloroethylvinyl Ether, SPEX CertiPrep™

CAS: 110-75-8 Molecular Formula: C4H7ClO Molecular Weight (g/mol): 106.549 InChI Key: DNJRKFKAFWSXSE-UHFFFAOYSA-N PubChem CID: 8074 IUPAC Name: 1-chloro-2-ethenoxyethane SMILES: C=COCCCl

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Specifications

PubChem CID	8074
CAS	110-75-8
Molecular Weight (g/mol)	106.549
SMILES	C=COCCCl
IUPAC Name	1-chloro-2-ethenoxyethane
InChI Key	DNJRKFKAFWSXSE-UHFFFAOYSA-N
Molecular Formula	C4H7ClO

103

Aroclor 1248 (High Level), SPEX CertiPrep™

CAS: 12672-29-6 Molecular Formula: C12H6Cl4 Molecular Weight (g/mol): 291.98 InChI Key: UTMWFJSRHLYRPY-UHFFFAOYSA-N PubChem CID: 36400 ChEBI: CHEBI:35445 IUPAC Name: 1,3-dichloro-5-(3,5-dichlorophenyl)benzene SMILES: C1=C(C=C(C=C1Cl)Cl)C2=CC(=CC(=C2)Cl)Cl

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Specifications

PubChem CID	36400
CAS	12672-29-6
Molecular Weight (g/mol)	291.98
ChEBI	CHEBI:35445
SMILES	C1=C(C=C(C=C1Cl)Cl)C2=CC(=CC(=C2)Cl)Cl
IUPAC Name	1,3-dichloro-5-(3,5-dichlorophenyl)benzene
InChI Key	UTMWFJSRHLYRPY-UHFFFAOYSA-N
Molecular Formula	C12H6Cl4

104

Aroclor 1260, SPEX CertiPrep™

CAS: 11096-82-5 Molecular Formula: C12H4Cl6 Molecular Weight (g/mol): 360.864 InChI Key: BTAGRXWGMYTPBY-UHFFFAOYSA-N PubChem CID: 38018 IUPAC Name: 1,2,3-trichloro-4-(2,3,4-trichlorophenyl)benzene SMILES: C1=CC(=C(C(=C1C2=C(C(=C(C=C2)Cl)Cl)Cl)Cl)Cl)Cl

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Specifications

PubChem CID	38018
CAS	11096-82-5
Molecular Weight (g/mol)	360.864
SMILES	C1=CC(=C(C(=C1C2=C(C(=C(C=C2)Cl)Cl)Cl)Cl)Cl)Cl
IUPAC Name	1,2,3-trichloro-4-(2,3,4-trichlorophenyl)benzene
InChI Key	BTAGRXWGMYTPBY-UHFFFAOYSA-N
Molecular Formula	C12H4Cl6

105

Global/ICH Oral Elemental Impurities A, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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EPA Methods Standards

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Aroclor 1248 (High Level), SPEX CertiPrep™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Aroclor 1248 (High Level), SPEX CertiPrep™