EPA Methods Standards

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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1 – 30 of 234 results
1

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.

2

TraceCERT™ EPA 8270 Nitrosamines Mix, 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.

3

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.

4

BDI Reagent, Ricca Chemical

For Acid Degree Value (Hydrolytic Rancidity Test)

Name Note for Acid Degree Value (Hydrolytic Rancidity Test)
CAS 7732-18-5
Physical Form Liquid
Chemical Name or Material BDI Reagent
5

Chloride ISA, Sodium Nitrate, 5.0 M, Ricca Chemical

Name Note 5 Molar (Aqueous Solution)
CAS 7732-18-5
Physical Form Liquid
Chemical Name or Material Chloride ISA, Sodium Nitrate
6

Carbon Dioxide ISA, Ricca Chemical

CAS: 6132-04-3 Molecular Formula: C6H9Na3O9 Molecular Weight (g/mol): 294.10 InChI Key: NLJMYIDDQXHKNR-UHFFFAOYSA-K PubChem CID: 71474 ChEBI: CHEBI:32142 IUPAC Name: trisodium;2-hydroxypropane-1,2,3-tricarboxylate;dihydrate SMILES: C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.O.O.[Na+].[Na+].[Na+]

PubChem CID 71474
CAS 6132-04-3
Molecular Weight (g/mol) 294.10
ChEBI CHEBI:32142
SMILES C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.O.O.[Na+].[Na+].[Na+]
IUPAC Name trisodium;2-hydroxypropane-1,2,3-tricarboxylate;dihydrate
InChI Key NLJMYIDDQXHKNR-UHFFFAOYSA-K
Molecular Formula C6H9Na3O9
7

Fluoride Standard, 100 ppm F-, Ricca Chemical

CAS: 7681-49-4 Molecular Formula: FNa Molecular Weight (g/mol): 41.988 InChI Key: PUZPDOWCWNUUKD-UHFFFAOYSA-M PubChem CID: 5235 ChEBI: CHEBI:28741 IUPAC Name: sodium;fluoride SMILES: [F-].[Na+]

PubChem CID 5235
CAS 7681-49-4
Molecular Weight (g/mol) 41.988
ChEBI CHEBI:28741
SMILES [F-].[Na+]
IUPAC Name sodium;fluoride
InChI Key PUZPDOWCWNUUKD-UHFFFAOYSA-M
Molecular Formula FNa
8

Buffer, Reference Standard, pH 1.68 ± 0.01 at 25°C, Ricca Chemical

Name Note Reference Standard, pH 1.68
CAS 7732-18-5
Physical Form Liquid
Chemical Name or Material Buffer
9

Bromide Standard, 1000 ppm Br-, Ricca Chemical

CAS: 7647-15-6 Molecular Formula: BrNa Molecular Weight (g/mol): 102.89 MDL Number: MFCD00003475 InChI Key: JHJLBTNAGRQEKS-UHFFFAOYSA-M PubChem CID: 253881 ChEBI: CHEBI:63004 IUPAC Name: sodium bromide SMILES: [Na+].[Br-]

PubChem CID 253881
CAS 7647-15-6
Molecular Weight (g/mol) 102.89
ChEBI CHEBI:63004
MDL Number MFCD00003475
SMILES [Na+].[Br-]
IUPAC Name sodium bromide
InChI Key JHJLBTNAGRQEKS-UHFFFAOYSA-M
Molecular Formula BrNa
10

CO2 Activity Standard, 0.100 M Sodium Bicarbonate, Ricca Chemical

CAS: 144-55-8 Molecular Formula: CHNaO3 Molecular Weight (g/mol): 84.006 InChI Key: UIIMBOGNXHQVGW-UHFFFAOYSA-M PubChem CID: 516892 ChEBI: CHEBI:32139 IUPAC Name: sodium;hydrogen carbonate SMILES: C(=O)(O)[O-].[Na+]

PubChem CID 516892
CAS 144-55-8
Molecular Weight (g/mol) 84.006
ChEBI CHEBI:32139
SMILES C(=O)(O)[O-].[Na+]
IUPAC Name sodium;hydrogen carbonate
InChI Key UIIMBOGNXHQVGW-UHFFFAOYSA-M
Molecular Formula CHNaO3
11

Chloride Standard, 1000 ppm Cl-, Ricca Chemical

CAS: 7647-14-5 Molecular Formula: ClNa Molecular Weight (g/mol): 58.44 MDL Number: MFCD00003477 InChI Key: FAPWRFPIFSIZLT-UHFFFAOYSA-M PubChem CID: 5234 ChEBI: CHEBI:26710 IUPAC Name: sodium chloride SMILES: [Na+].[Cl-]

PubChem CID 5234
CAS 7647-14-5
Molecular Weight (g/mol) 58.44
ChEBI CHEBI:26710
MDL Number MFCD00003477
SMILES [Na+].[Cl-]
IUPAC Name sodium chloride
InChI Key FAPWRFPIFSIZLT-UHFFFAOYSA-M
Molecular Formula ClNa
12

Sodium Electrode, ISA, Ricca Chemical

CAS 7732-18-5
Physical Form Liquid
Chemical Name or Material Sodium Electrode ISA
13

Chloride ISA, 0.100 M Sodium Chloride, Ricca Chemical

CAS: 7647-14-5 Molecular Formula: ClNa Molecular Weight (g/mol): 58.44 MDL Number: MFCD00003477 InChI Key: FAPWRFPIFSIZLT-UHFFFAOYSA-M PubChem CID: 5234 ChEBI: CHEBI:26710 IUPAC Name: sodium chloride SMILES: [Na+].[Cl-]

PubChem CID 5234
CAS 7647-14-5
Molecular Weight (g/mol) 58.44
ChEBI CHEBI:26710
MDL Number MFCD00003477
SMILES [Na+].[Cl-]
IUPAC Name sodium chloride
InChI Key FAPWRFPIFSIZLT-UHFFFAOYSA-M
Molecular Formula ClNa
14

TISAB Concentrate, Ricca Chemical

CAS 7732-18-5
Physical Form Liquid
Chemical Name or Material Total Ionic Strength Adjustment Buffer (TISAB) Concentrate
15

Total Ionic Strength Adjustment Buffer (TISAB II), with CDTA, Ricca Chemical

for Fluoride Analysis using Ion Selective Electrodes

CAS 7732-18-5
Physical Form Liquid
Chemical Name or Material Total Ionic Strength Adjustment Buffer (TISAB)
16

TCLP Standard, Ricca Chemical

CAS 7697-37-2, 7732-18-5
Physical Form Liquid
CAS Min % 0.0022
Chemical Name or Material TCLP Standard
CAS Max % 0.0022
17

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

18

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

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
19

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

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
20

Lead Standard, 5 ppm Pb, Ricca Chemical

CAS: 7439-92-1 Molecular Formula: Pb Molecular Weight (g/mol): 207.2 InChI Key: WABPQHHGFIMREM-UHFFFAOYSA-N PubChem CID: 5352425 ChEBI: CHEBI:27889 IUPAC Name: lead SMILES: [Pb]

PubChem CID 5352425
CAS 7439-92-1
Molecular Weight (g/mol) 207.2
ChEBI CHEBI:27889
SMILES [Pb]
IUPAC Name lead
InChI Key WABPQHHGFIMREM-UHFFFAOYSA-N
Molecular Formula Pb
21

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

Name Note 0.1% HF / 10% HNO3
Chemical Name or Material Mixed Acid
22

Analyte Mix A, SPEX CertiPrep™

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

Name Note USEPA Method 507
Chemical Name or Material Analyte Mix A
23

Analyte Mix B, SPEX CertiPrep™

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

Name Note USEPA Method 507
Chemical Name or Material Analyte Mix B
24

Fluoride Standard, Certified, 0.50ppm ±0.03ppm (1mL = 0.0005mg F-), LabChem™

CAS: 7681-49-4 Molecular Formula: FNa Molecular Weight (g/mol): 41.988 InChI Key: PUZPDOWCWNUUKD-UHFFFAOYSA-M PubChem CID: 5235 ChEBI: CHEBI:28741 IUPAC Name: sodium;fluoride SMILES: [F-].[Na+]

PubChem CID 5235
CAS 7681-49-4
Molecular Weight (g/mol) 41.988
ChEBI CHEBI:28741
SMILES [F-].[Na+]
IUPAC Name sodium;fluoride
InChI Key PUZPDOWCWNUUKD-UHFFFAOYSA-M
Molecular Formula FNa
25

Fluoride Standard, 10ppm F- Premixed with Equal Volume of TISAB II, Certified, 10.0ppm ±0.1ppm, LabChem™

CAS: 7681-49-4

CAS 7681-49-4
26

Fluoride Standard, Certified, 1.00ppm ±0.05ppm (1mL = 0.001mg F-), LabChem™

CAS: 7681-49-4 Molecular Formula: FNa Molecular Weight (g/mol): 41.988 InChI Key: PUZPDOWCWNUUKD-UHFFFAOYSA-M PubChem CID: 5235 ChEBI: CHEBI:28741 IUPAC Name: sodium;fluoride SMILES: [F-].[Na+]

PubChem CID 5235
CAS 7681-49-4
Molecular Weight (g/mol) 41.988
ChEBI CHEBI:28741
SMILES [F-].[Na+]
IUPAC Name sodium;fluoride
InChI Key PUZPDOWCWNUUKD-UHFFFAOYSA-M
Molecular Formula FNa
27

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

CAS: 7681-49-4 Molecular Formula: FNa Molecular Weight (g/mol): 41.988 InChI Key: PUZPDOWCWNUUKD-UHFFFAOYSA-M PubChem CID: 5235 ChEBI: CHEBI:28741 IUPAC Name: sodium;fluoride SMILES: [F-].[Na+]

PubChem CID 5235
CAS 7681-49-4
Molecular Weight (g/mol) 41.988
ChEBI CHEBI:28741
SMILES [F-].[Na+]
IUPAC Name sodium;fluoride
InChI Key PUZPDOWCWNUUKD-UHFFFAOYSA-M
Molecular Formula FNa
28

TCLP Extraction Fluid No. 1, Certified, LabChem™

Viscosity 1.02cSt
Linear Formula CH3COOH
Solubility Soluble in water
Color Colorless
Physical Form Liquid
Chemical Name or Material TCLP Extraction Fluid No. 1
Identification Passes Test
Grade Certified
Density 0.999g/mL
CAS 1310-73-2
Health Hazard 3 GHS P Statement
Wear eye protection, protective gloves.
Wash exposed skin thoroughly after handling.
If on skin: Wash with plenty of soap and water.
Take off contaminated clothing.
If skin irritation occurs: Get medical advice/attention.
If in eyes: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do.
Continue rinsing.
If eye irritation persists: Get medical advice/attention.
Health Hazard 2 GHS H Statement
Solution is not hazardous.
pH 4.88 to 4.98
Recommended Storage Room Temperature
Formula Weight 60.05
CAS Max % 0.25
29

TCLP Extraction Fluid No. 2, Certified, LabChem™

Viscosity 1.02cSt
Linear Formula CH3COOH
Solubility Soluble in water
Color Colorless
Physical Form Liquid
Chemical Name or Material TCLP Extraction Fluid No. 2
Identification Passes Test
Grade Certified
Density 0.999g/mL
CAS 7732-18-5
Health Hazard 3 GHS P Statement
Wear eye protection, protective gloves.
Wash exposed skin thoroughly after handling.
If on skin: Wash with plenty of soap and water.
Take off contaminated clothing.
If skin irritation occurs: Get medical advice/attention.
If in eyes: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do.
Continue rinsing.
If eye irritation persists: Get medical advice/attention.
Health Hazard 2 GHS H Statement
Solution is not hazardous.
pH 2.88 ±0.05
Recommended Storage Room Temperature
Formula Weight 60.05
CAS Max % 0.57
30

Laboratory Performance Check Standard For Environmental Analysis, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable 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
Packaging Triple-leached LDPE bottle
Health Hazard 1 Causes severe skin burns and eye damage
DOT Information Hazardous
Chemical Name or Material LPC Standard 1
Grade Environmental
Recommended Storage Ambient
Solvent or Matrix 5% HNO3/tr Tart. Acid/tr HF