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Inorganic Standards for Analysis

Check out ISO 17025/ISO Guide 34-accredited inorganic standards.

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Organic Standards for Analysis

Check out ISO 17025/ISO Guide 34-accredited organic standards.

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Certified pH Buffers

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Fusion Fluxes and Additives

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USP 232 & USP 233 Products

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Speciation Standards

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Products

Silicon Standard For ICP, 1000μg/mL in H2O/0.24 F, Assurance Grade, SPEX CertiPrep™

CAS: 16919-19-0 Molecular Formula: F6H8N2Si Molecular Weight (g/mol): 178.153 InChI Key: ITHIMUMYFVCXSL-UHFFFAOYSA-P PubChem CID: 28145 IUPAC Name: diazanium;hexafluorosilicon(2-) SMILES: [NH4+].[NH4+].F[Si-2](F)(F)(F)(F)F

Alternate BTEX Standard Formulation, High Level, SPEX CertiPrep™

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

Calcium Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™

CAS: 7440-70-2 Molecular Formula: Ca Molecular Weight (g/mol): 40.078 InChI Key: OYPRJOBELJOOCE-UHFFFAOYSA-N PubChem CID: 5460341 ChEBI: CHEBI:29320 IUPAC Name: calcium SMILES: [Ca]

Magnesium Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™

CAS: 7439-95-4 Molecular Formula: Mg Molecular Weight (g/mol): 24.305 InChI Key: FYYHWMGAXLPEAU-UHFFFAOYSA-N PubChem CID: 5462224 ChEBI: CHEBI:25107 IUPAC Name: magnesium SMILES: [Mg]

Lithium Tetraborate/Lithium Metaborate/Lithium Bromide (34.83%/64.67%/0.50%) Fusion Flux Pure Crystal For Sample Preparation, SPEX CertiPrep™

Chemical Name or Material: Lithium Tetraborate/Lithium Metaborate/Lithium Bromide Name Note: Fusion Flux

ICP-MS Mercury Single Element Standard, SPEX CertiPrep™

CAS: 7439-97-6 Molecular Formula: Hg Molecular Weight (g/mol): 200.592 InChI Key: QSHDDOUJBYECFT-UHFFFAOYSA-N PubChem CID: 23931 ChEBI: CHEBI:16170 IUPAC Name: mercury SMILES: [Hg]

Lithium 6 Isotope Standard For ICP/MS, SPEX CertiPrep™

CAS: 7439-93-2 Molecular Formula: Li Molecular Weight (g/mol): 6.94 InChI Key: WHXSMMKQMYFTQS-UHFFFAOYSA-N PubChem CID: 3028194 ChEBI: CHEBI:30145 IUPAC Name: lithium SMILES: [Li]

Formaldehyde, SPEX CertiPrep™

CAS: 50-00-0 Molecular Formula: CH2O Molecular Weight (g/mol): 30.026 InChI Key: WSFSSNUMVMOOMR-UHFFFAOYSA-N PubChem CID: 712 ChEBI: CHEBI:16842 IUPAC Name: formaldehyde SMILES: C=O

BTEX Standard Formulations, High Level, SPEX CertiPrep™

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

n-Hexacontane, SPEX CertiPrep™

CAS: 7667-80-3 Molecular Formula: C60H122 Molecular Weight (g/mol): 843.636 InChI Key: OCWUCHKZAHTZAB-UHFFFAOYSA-N PubChem CID: 24318 IUPAC Name: hexacontane SMILES: CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

Hydrochloric Acid Calibration and Matrix Blank For ICP/MS, SPEX CertiPrep™

CAS: 7647-01-0 Molecular Formula: ClH Molecular Weight (g/mol): 36.458 InChI Key: VEXZGXHMUGYJMC-UHFFFAOYSA-N Synonym: Muriatic Acid PubChem CID: 313 ChEBI: CHEBI:17883 IUPAC Name: chlorane SMILES: Cl

Barium Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™

CAS: 7440-39-3 Molecular Formula: Ba Molecular Weight (g/mol): 137.327 InChI Key: DSAJWYNOEDNPEQ-UHFFFAOYSA-N PubChem CID: 5355457 ChEBI: CHEBI:32595 IUPAC Name: barium SMILES: [Ba]

1,1,1-Trichloroethane in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 71-55-6 Molecular Formula: C2H3Cl3 Molecular Weight (g/mol): 133.396 InChI Key: UOCLXMDMGBRAIB-UHFFFAOYSA-N PubChem CID: 6278 ChEBI: CHEBI:36015 IUPAC Name: 1,1,1-trichloroethane SMILES: CC(Cl)(Cl)Cl

SPEX CertiPrep™ Pesticide Mix 2

Use these Organic Certified Reference Materials for a wide range of HPLC/GC/LC applications. SPEX CertiPrep™ Pesticide Mix 2 containing 15 compounds in acetronitrile is ideal for pesticide screening, food safety and QuEChERS applications.

Instrument Check Standard 6 For Ion Chromatography, SPEX CertiPrep™

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

Ethylene Glycol, SPEX CertiPrep™

CAS: 107-21-1 Molecular Formula: C2H6O2 Molecular Weight (g/mol): 62.068 InChI Key: LYCAIKOWRPUZTN-UHFFFAOYSA-N PubChem CID: 174 ChEBI: CHEBI:30742 IUPAC Name: ethane-1,2-diol SMILES: C(CO)O

BTEX Standard, SPEX CertiPrep™

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

Ammonia-Nitrogen Standard for Ion Chromatography, SPEX CertiPrep™

Chemical Name or Material: Ammonia-Nitrogen Standard CAS Min %: 0.1 CAS Max %: 0.1 CAS: 7732-18-5 CAS Min %: 99.9 CAS Max %: 99.9

1,1,2-Trichlorotrifluoroethane, SPEX CertiPrep™

CAS: 76-13-1 Molecular Formula: C2Cl3F3 Molecular Weight (g/mol): 187.367 InChI Key: AJDIZQLSFPQPEY-UHFFFAOYSA-N PubChem CID: 6428 IUPAC Name: 1,1,2-trichloro-1,2,2-trifluoroethane SMILES: C(C(F)(Cl)Cl)(F)(F)Cl

Biodiesel Fuel Standard, SPEX CertiPrep™

CAS: 621-71-6 Molecular Formula: C33H62O6 Molecular Weight (g/mol): 554.853 InChI Key: LADGBHLMCUINGV-UHFFFAOYSA-N PubChem CID: 69310 ChEBI: CHEBI:77388 IUPAC Name: 2,3-di(decanoyloxy)propyl decanoate SMILES: CCCCCCCCCC(=O)OCC(COC(=O)CCCCCCCCC)OC(=O)CCCCCCCCC

Purgeable Gases, Mix B, SPEX CertiPrep™

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

2,3,5-Trimethylnaphthalene, SPEX CertiPrep™

CAS: 2245-38-7 Molecular Formula: C13H14 Molecular Weight (g/mol): 170.255 InChI Key: JBXULKRNHAQMAS-UHFFFAOYSA-N PubChem CID: 16732 IUPAC Name: 1,6,7-trimethylnaphthalene SMILES: CC1=CC=CC2=CC(=C(C=C12)C)C

Iron Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™

CAS: 7439-89-6 Molecular Formula: Fe Molecular Weight (g/mol): 55.845 InChI Key: XEEYBQQBJWHFJM-UHFFFAOYSA-N PubChem CID: 23925 ChEBI: CHEBI:82664 IUPAC Name: iron SMILES: [Fe]

Sodium Carbonate Eluent Concentrate For Ion Chromatography, 0.5M, SPEX CertiPrep™

Chemical Name or Material: Sodium Carbonate Eluent Concentrate CAS: 7732-18-5

Instrument Check Standard 3 For Ion Chromatography, SPEX CertiPrep™

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

n-Butane, SPEX CertiPrep™

CAS: 106-97-8 Molecular Formula: C4H10 Molecular Weight (g/mol): 58.124 InChI Key: IJDNQMDRQITEOD-UHFFFAOYSA-N PubChem CID: 7843 ChEBI: CHEBI:37808 IUPAC Name: butane SMILES: CCCC

Lithium Metaborate (100%), Fusion Flux Pure Crystal For Sample Preparation, SPEX CertiPrep™

CAS: 13453-69-5 Molecular Formula: BLiO2 Molecular Weight (g/mol): 49.748 InChI Key: HZRMTWQRDMYLNW-UHFFFAOYSA-N PubChem CID: 123308 IUPAC Name: lithium;oxido(oxo)borane SMILES: [Li+].B(=O)[O-]

Uranium Standard (Depleted) For ICP/MS, Claritas PPT Grade, SPEX CertiPrep™

CAS: 7440-61-1 Molecular Formula: U Molecular Weight (g/mol): 238.029 InChI Key: JFALSRSLKYAFGM-UHFFFAOYSA-N PubChem CID: 23989 ChEBI: CHEBI:49936 IUPAC Name: uranium SMILES: [U]

Yttrium Standard For ICP, 2% HNO3 in 1000μg/mL, Assurance Grade, SPEX CertiPrep™

CAS: 7440-65-5 Molecular Formula: Y Molecular Weight (g/mol): 88.906 InChI Key: VWQVUPCCIRVNHF-UHFFFAOYSA-N PubChem CID: 23993 ChEBI: CHEBI:33331 IUPAC Name: yttrium SMILES: [Y]

Phosphorus Standard for ICP/MS, SPEX CertiPrep™

CAS: 7723-14-0 Molecular Formula: P Molecular Weight (g/mol): 30.974 InChI Key: OAICVXFJPJFONN-UHFFFAOYSA-N PubChem CID: 5462309 ChEBI: CHEBI:30207 IUPAC Name: phosphorus SMILES: [P]

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About SPEX CertiPrep

Founded in 1954, SPEX CertiPrep is a leading manufacturer of certified reference materials (CRMs) and calibration standards for analytical spectroscopy and chromatography. We offer a full range of inorganic and organic CRMs. We are certified by UL-DQS for ISO 9001:2008 and are proud to be accredited by A2LA under ISO/IEC 17025:2005 and ISO/IEC Guide 34-2009. The scope of our accreditation is the most comprehensive in the industry and encompasses all our manufactured products.