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.

16 – 30 of 1,042 results

LabChem, Inc. Fluoride Standard, Certified, 1.00ppm ±0.05ppm (1mL = 0.001mg 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

Fluoride Standard, Certified, 1000ppm ±10ppm (1mL = 1mg F^-), LabChem™

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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

LabChem, Inc. Fluoride Standard, 0.5ppm F^- Premixed with Equal Volume of TISAB II, Certified, 0.50ppm ±0.01ppm, LabChem™

Pricing & Availability
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

TraceCERT™ Chlorpyrifos-Methyl, Certified Reference Material, MilliporeSigma™ Supelco™

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to the SI through a primary reference material from a NMI. Certified content incl. uncertainty and expiry date are stated on the enclosed certificate.

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TraceCERT™ EPA 8270 Nitrosamines Mix, Certified Reference Material, MilliporeSigma™ Supelco™

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Acetone, Certified Reference Material, MilliporeSigma™ Supelco™

Pharmaceutical secondary standard for application in quality control. Provides pharma laboratories and manufacturers with a convenient, and cost-effective alternative to the preparation of in-house working standards.

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Laboratory Performance Check Standard without Mercury 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 without Mercury
Grade	Environmental
Recommended Storage	Ambient
Technique	AA,ICP
Solvent or Matrix	Nitric Acid/Trace Tartaric Acid/Trace Hydrogen Fluoride

LabChem, Inc. Fluoride Standard, 1ppm F^- Premixed with Equal Volume of TISAB II, Certified, 1.00ppm ±0.05ppm, LabChem™

Pricing & Availability
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

LabChem, Inc. Fluoride Standard, Certified, 10.0ppm ±0.1ppm (1mL = 0.01mg F^-), LabChem™

Pricing & Availability
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

CAS	7439-92-1
Physical Form	Liquid
CAS Min %	0.0022
Packaging	Amber Poly Bottle
Chemical Name or Material	TCLP Standard
Shelf Life	12 Months
CAS Max %	0.0022

Amine-Sulfuric Acid Stock Solution, for Sulfide Determination (Methylene Blue Method), Ricca Chemical

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Specifications

Solubility	Infinitely soluble in water
Color	Brown
pH	< 3
Physical Form	Liquid
Recommended Storage	Corrosive
Odor	Odorless

Phenylarsine Oxide, 0.01 N (N/100), Ricca Chemical

CAS: 637-03-6 Molecular Formula: C6H5AsO Molecular Weight (g/mol): 168.03 MDL Number: MFCD00001990 InChI Key: BQVCCPGCDUSGOE-UHFFFAOYSA-N PubChem CID: 4778 ChEBI: CHEBI:75253 IUPAC Name: arsorosobenzene SMILES: O=[As]C1=CC=CC=C1

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Specifications

PubChem CID	4778
CAS	637-03-6
Molecular Weight (g/mol)	168.03
ChEBI	CHEBI:75253
MDL Number	MFCD00001990
SMILES	O=[As]C1=CC=CC=C1
IUPAC Name	arsorosobenzene
InChI Key	BQVCCPGCDUSGOE-UHFFFAOYSA-N
Molecular Formula	C6H5AsO

Phosphate Standard, 10,000 ppm PO₄³^- (3261 ppm P), Ricca Chemical

CAS: 7778-77-0 Molecular Formula: H2KO4P Molecular Weight (g/mol): 136.08 MDL Number: MFCD00011401 MFCD00147253 InChI Key: GNSKLFRGEWLPPA-UHFFFAOYSA-M PubChem CID: 516951 ChEBI: CHEBI:63036 IUPAC Name: potassium dihydrogen phosphate SMILES: [K+].OP(O)([O-])=O

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Specifications

PubChem CID	516951
CAS	7778-77-0
Molecular Weight (g/mol)	136.08
ChEBI	CHEBI:63036
MDL Number	MFCD00011401 MFCD00147253
SMILES	[K+].OP(O)([O-])=O
IUPAC Name	potassium dihydrogen phosphate
InChI Key	GNSKLFRGEWLPPA-UHFFFAOYSA-M
Molecular Formula	H2KO4P

Ricca Chemical Company Mixed Acid, 0.1% HF/10% HNO3, Ricca Chemical

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Fructose Standard, 30,000 ppm C₆H₁₂O₆, Ricca Chemical

CAS: 57-48-7 Molecular Formula: C6H12O6 Molecular Weight (g/mol): 180.156 InChI Key: BJHIKXHVCXFQLS-UYFOZJQFSA-N PubChem CID: 5984 ChEBI: CHEBI:48095 IUPAC Name: (3S,4R,5R)-1,3,4,5,6-pentahydroxyhexan-2-one SMILES: C(C(C(C(C(=O)CO)O)O)O)O

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Specifications

PubChem CID	5984
CAS	57-48-7
Molecular Weight (g/mol)	180.156
ChEBI	CHEBI:48095
SMILES	C(C(C(C(C(=O)CO)O)O)O)O
IUPAC Name	(3S,4R,5R)-1,3,4,5,6-pentahydroxyhexan-2-one
InChI Key	BJHIKXHVCXFQLS-UYFOZJQFSA-N
Molecular Formula	C6H12O6

EPA Methods Standards

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Fluoride Standard, Certified, 1000ppm ±10ppm (1mL = 1mg F-), LabChem™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

LabChem, Inc. Fluoride Standard, 0.5ppm F- Premixed with Equal Volume of TISAB II, Certified, 0.50ppm ±0.01ppm, LabChem™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Laboratory Performance Check Standard without Mercury For Environmental Analysis, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

LabChem, Inc. Fluoride Standard, 1ppm F- Premixed with Equal Volume of TISAB II, Certified, 1.00ppm ±0.05ppm, LabChem™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

TCLP Standard, Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Amine-Sulfuric Acid Stock Solution, for Sulfide Determination (Methylene Blue Method), Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Phenylarsine Oxide, 0.01 N (N/100), Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Phosphate Standard, 10,000 ppm PO43- (3261 ppm P), Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Ricca Chemical Company Mixed Acid, 0.1% HF/10% HNO3, Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Fructose Standard, 30,000 ppm C6H12O6, Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More