SPEX Certiprep
SPEX Certiprep offers a comprehensive range of certified reference materials (CRMs), including organic and inorganic standards, custom mixes, and proficiency testing (PT) programs. Each CRM undergoes a rigorous quality control process to meet the highest industry standards, ensuring that laboratories can confidently rely on them for accurate and precise results.
Uranium Standard For ICP, 1000μg/mL in 2% HNO3, Assurance 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]
pH 7 Buffer Standard, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
Phosphorus Standard For ICP, 10,000μg/mL in H2O, SPEX CertiPrep™
CAS: 7722-76-1 Molecular Formula: H6NO4P Molecular Weight (g/mol): 115.03 MDL Number: MFCD00003396 InChI Key: LFVGISIMTYGQHF-UHFFFAOYSA-N PubChem CID: 24402 ChEBI: CHEBI:62982 SMILES: N.OP(O)(O)=O
Iron Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™
PubChem CID: 23925 ChEBI: CHEBI:82664
Silver Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™
CAS: 7440-22-4 Molecular Formula: Ag Molecular Weight (g/mol): 107.87 MDL Number: MFCD00003397 InChI Key: BQCADISMDOOEFD-UHFFFAOYSA-N PubChem CID: 23954 ChEBI: CHEBI:9141 IUPAC Name: silver SMILES: [Ag]
Yttrium Standard, 2% HNO3 in 1000mg/L (Assurance Grade), SPEX CertiPrep™
CAS: 7440-65-5 Molecular Formula: Y Molecular Weight (g/mol): 88.91 MDL Number: MFCD00011468 InChI Key: VWQVUPCCIRVNHF-UHFFFAOYSA-N PubChem CID: 23993 ChEBI: CHEBI:33331 IUPAC Name: yttrium SMILES: [Y]
Chloride Standard for Ion Chromatography, SPEX CertiPrep™
CAS: 12125-02-9 Molecular Formula: ClH4N Molecular Weight (g/mol): 53.49 MDL Number: MFCD00011420 InChI Key: NLXLAEXVIDQMFP-UHFFFAOYSA-N PubChem CID: 25517 ChEBI: CHEBI:31206 IUPAC Name: amine hydrochloride SMILES: N.Cl
Cole-Parmer™ XRF Prep-Aid™ Grinding Aids and Sample Binders
Prepare samples for reproducible and contamination-free results with XRF Prep-Aid™ Grinding Aids and Sample Binders.
pH 4 Buffer Standard, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
Sodium Standard For ICP, 10,000μg/mL in 5% HNO3, SPEX CertiPrep™
CAS: 7440-23-5 Molecular Formula: Na Molecular Weight (g/mol): 22.99 MDL Number: MFCD00085307 InChI Key: KEAYESYHFKHZAL-UHFFFAOYSA-N PubChem CID: 5360545 ChEBI: CHEBI:26708 IUPAC Name: sodium SMILES: [Na]
Calcium Standard For ICP, 10,000μg/mL in 5% HNO3, SPEX CertiPrep™
CAS: 7440-70-2 Molecular Formula: Ca Molecular Weight (g/mol): 40.08 MDL Number: MFCD00010897 MFCD00085314 InChI Key: OYPRJOBELJOOCE-UHFFFAOYSA-N PubChem CID: 5460341 ChEBI: CHEBI:29320 IUPAC Name: calcium SMILES: [Ca]
Potassium Standard For ICP, 10,000μg/mL in 5% HNO3, SPEX CertiPrep™
CAS: 7447-40-7 Molecular Formula: ClK Molecular Weight (g/mol): 74.55 MDL Number: MFCD00011360 InChI Key: WCUXLLCKKVVCTQ-UHFFFAOYSA-M PubChem CID: 4873 ChEBI: CHEBI:32588 SMILES: [Cl-].[K+]
Base Oil 75, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
Base Oil 20, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material