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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Acetonitrile, for HPLC-MS

CAS: 75-05-8 Molecular Formula: C2H3N MDL Number: 1878 InChI Key: WEVYAHXRMPXWCK-UHFFFAOYSA-N PubChem CID: 6342 ChEBI: CHEBI:38472 IUPAC Name: acetonitrile SMILES: CC#N

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Specifications

PubChem CID	6342
CAS	75-05-8
ChEBI	CHEBI:38472
MDL Number	1878
SMILES	CC#N
IUPAC Name	acetonitrile
InChI Key	WEVYAHXRMPXWCK-UHFFFAOYSA-N
Molecular Formula	C2H3N

Tuning Solution, SPEX CertiPrep™

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

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Acrolein and Acrylonitrile in Methanol Purge and Trap, SPEX CertiPrep™

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Polynuclear Aromatic Hydrocarbons Combination Mix, SPEX CertiPrep™

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

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Trihalomethanes, SPEX CertiPrep™

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

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Pentafluorobenzene, SPEX CertiPrep™

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Methylcyclohexane, SPEX CertiPrep™

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Global/ICH Oral Elemental Impurities A, SPEX CertiPrep™

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

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Revision 4 Analytes, High Level, SPEX CertiPrep™

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

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Element	N,N-Dimethylacetamide,N,N-Dimethylformamide,Ethylene Glycol,1-Methyl-2-pyrrolidinone,Formamide
Physical Form	Fluid
Chemical Name or Material	8 Component Mix in DMSO
Grade	USP
Ignition Point	270°C
Density	1.1g/cm³
Analyte or Component Names	N,N-Dimethylacetamide; N,N-Dimethylformamide; Ethylene glycol; 1-Methyl-2-pyrrolidinone; Formamide; more
Vapor Pressure	2.5 hPA (20°C)
Explosion Limit	1.8% (volume); 63% (volume)
Name Note	USP 467 Standard
CAS	75-12-7
Packaging	Glass Ampoule
Recommended Storage	Freezer
Solvent or Matrix	Dimethyl Sulfoxide
Methods	USP 467: Residual Solvents/ Organic Volatile Impurities

Alternate Metals 3 For AA and ICP, SPEX CertiPrep™

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

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Specifications

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.
Name Note	For ICP/AA Alternate Water Pollution and Wastewater Standard
Concentration or Composition (by Analyte or Components)	Components in 2% HNO₃: Ca •500μg/mL Mg •100μg/mL K •100μg/mL Na •500μg/mL
For Use With (Equipment)	AA, ICP, ICP/MS, IC, XRF, and Other Analytical Instrumentation
Health Hazard 1	Causes skin irritation, serious eye irritation
Packaging	Triple-leached LDPE bottle
DOT Information	Hazardous
Chemical Name or Material	Alternate Metals Standard 3
Grade	Environmental
Recommended Storage	Ambient
Technique	AA,ICP
Solvent or Matrix	2% HNO3

Mixed Calibration Standard 5A For Environmental Analysis, SPEX CertiPrep™

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

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Specifications

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)	Components in 5% HNO₃: Be •10μg/mL Fe •100μg/mL Pb •100μg/mL Mg •100μg/mL Ni •20μg/mL Tl •50μg/mL
For Use With (Equipment)	AA, ICP, ICP/MS, IC, XRF, and Other Analytical Instrumentation
Packaging	Triple-leached LDPE bottle
DOT Information	Hazardous
Chemical Name or Material	ICP Mixed Calibration Standard 5A
Grade	Environmental
Recommended Storage	Ambient
Technique	AA,ICP
Solvent or Matrix	5% HNO3

Laboratory Performance Check Standard For Environmental Analysis, SPEX CertiPrep™

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

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Specifications

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	Causes severe skin burns and eye damage
Packaging	Triple-leached LDPE bottle
DOT Information	Hazardous
Chemical Name or Material	LPC Standard 1
Grade	Environmental
Recommended Storage	Ambient
Technique	AA,ICP
Solvent or Matrix	Nitric Acid/Trace Tartaric Acid/Trace Hydrogen Fluoride

Instrument Check Standard 4 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

Cyclohexane, SPEX CertiPrep™

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EPA Methods Standards

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