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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931 – 945 of 993 results

931

QC Check Solution, SPEX CertiPrep™

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

Pricing & Availability

932

VOA Additional Analytes Mix D, High Level, SPEX CertiPrep™

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

Pricing & Availability

933

Surrogate Standard, SPEX CertiPrep™

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

Pricing & Availability
Specifications

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

934

Free Acids Mix; SPEX CertiPrep™

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

Pricing & Availability

935

Performance Check Standard, SPEX CertiPrep™

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

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936

Halogenated Pesticides and Herbicides Blend, SPEX CertiPrep™

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

Pricing & Availability

937

Diphenylamine, SPEX CertiPrep™

CAS: 122-39-4 Molecular Formula: C12H11N Molecular Weight (g/mol): 169.227 InChI Key: DMBHHRLKUKUOEG-UHFFFAOYSA-N PubChem CID: 11487 ChEBI: CHEBI:4640 IUPAC Name: N-phenylaniline SMILES: C1=CC=C(C=C1)NC2=CC=CC=C2

Pricing & Availability
Specifications

PubChem CID	11487
CAS	122-39-4
Molecular Weight (g/mol)	169.227
ChEBI	CHEBI:4640
SMILES	C1=CC=C(C=C1)NC2=CC=CC=C2
IUPAC Name	N-phenylaniline
InChI Key	DMBHHRLKUKUOEG-UHFFFAOYSA-N
Molecular Formula	C12H11N

938

2,2,'3,3',4,5',6,6'-Octachlorobiphenyl, SPEX CertiPrep™

CAS: 40186-71-8 Molecular Formula: C12H2Cl8 Molecular Weight (g/mol): 429.748 InChI Key: LJQOBQLZTUSEJA-UHFFFAOYSA-N PubChem CID: 38410 IUPAC Name: 1,2,3,5-tetrachloro-4-(2,3,5,6-tetrachlorophenyl)benzene SMILES: C1=C(C(=C(C(=C1Cl)Cl)Cl)C2=C(C(=CC(=C2Cl)Cl)Cl)Cl)Cl

Pricing & Availability
Specifications

PubChem CID	38410
CAS	40186-71-8
Molecular Weight (g/mol)	429.748
SMILES	C1=C(C(=C(C(=C1Cl)Cl)Cl)C2=C(C(=CC(=C2Cl)Cl)Cl)Cl)Cl
IUPAC Name	1,2,3,5-tetrachloro-4-(2,3,5,6-tetrachlorophenyl)benzene
InChI Key	LJQOBQLZTUSEJA-UHFFFAOYSA-N
Molecular Formula	C12H2Cl8

939

State of Pennsylvania Polynuclear Aromatic Hydrocarbons Extractables Mix, SPEX CertiPrep™

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

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940

Low Level Semivolatile Control Sample, SPEX CertiPrep™

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

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941

Endothall-PFPH-Stock Standard, SPEX CertiPrep™

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

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942

Internal/Surrogate Standard, SPEX CertiPrep™

CAS: 98-08-8 Molecular Formula: C7H5F3 Molecular Weight (g/mol): 146.112 InChI Key: GETTZEONDQJALK-UHFFFAOYSA-N PubChem CID: 7368 ChEBI: CHEBI:36810 IUPAC Name: trifluoromethylbenzene SMILES: C1=CC=C(C=C1)C(F)(F)F

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Specifications

PubChem CID	7368
CAS	98-08-8
Molecular Weight (g/mol)	146.112
ChEBI	CHEBI:36810
SMILES	C1=CC=C(C=C1)C(F)(F)F
IUPAC Name	trifluoromethylbenzene
InChI Key	GETTZEONDQJALK-UHFFFAOYSA-N
Molecular Formula	C7H5F3

943

Volatiles Supplementary Volatiles Mix, SPEX CertiPrep™

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

Pricing & Availability

944

Ethylcyclopentane, SPEX CertiPrep™

CAS: 1640-89-7 Molecular Formula: C7H14 Molecular Weight (g/mol): 98.189 InChI Key: IFTRQJLVEBNKJK-UHFFFAOYSA-N PubChem CID: 15431 IUPAC Name: ethylcyclopentane SMILES: CCC1CCCC1

Pricing & Availability
Specifications

PubChem CID	15431
CAS	1640-89-7
Molecular Weight (g/mol)	98.189
SMILES	CCC1CCCC1
IUPAC Name	ethylcyclopentane
InChI Key	IFTRQJLVEBNKJK-UHFFFAOYSA-N
Molecular Formula	C7H14

945

1,1-Dichloropropene, SPEX CertiPrep™

CAS: 563-58-6 Molecular Formula: C3H4Cl2 Molecular Weight (g/mol): 110.965 InChI Key: ZAIDIVBQUMFXEC-UHFFFAOYSA-N PubChem CID: 11245 IUPAC Name: 1,1-dichloroprop-1-ene SMILES: CC=C(Cl)Cl

Pricing & Availability
Specifications

PubChem CID	11245
CAS	563-58-6
Molecular Weight (g/mol)	110.965
SMILES	CC=C(Cl)Cl
IUPAC Name	1,1-dichloroprop-1-ene
InChI Key	ZAIDIVBQUMFXEC-UHFFFAOYSA-N
Molecular Formula	C3H4Cl2

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