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]
Manganese Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™
CAS: 7439-96-5 Molecular Formula: Mn Molecular Weight (g/mol): 54.94 MDL Number: MFCD00011111 InChI Key: PWHULOQIROXLJO-UHFFFAOYSA-N PubChem CID: 23930 ChEBI: CHEBI:35154 IUPAC Name: manganese SMILES: [Mn]
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
Uranium Standard For ICP, 10,000μg/mL in 5% HNO3, 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]
Iron Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™
PubChem CID: 23925 ChEBI: CHEBI:82664
Zinc Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™
CAS: 7440-66-6 Molecular Formula: Zn Molecular Weight (g/mol): 65.38 MDL Number: MFCD00011291 InChI Key: HCHKCACWOHOZIP-UHFFFAOYSA-N PubChem CID: 23994 ChEBI: CHEBI:30185 IUPAC Name: zinc SMILES: [Zn]
Fluoride Standard for Ion Chromatography, SPEX CertiPrep™
CAS: 7732-18-5
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]
Ruthenium Standard For ICP, 1000μg/mL in 10% HCl, Assurance Grade, SPEX CertiPrep™
CAS: 7440-18-8 Molecular Formula: Ru Molecular Weight (g/mol): 101.07 MDL Number: MFCD00011207 MFCD03458417 InChI Key: KJTLSVCANCCWHF-UHFFFAOYSA-N PubChem CID: 23950 ChEBI: CHEBI:30682 IUPAC Name: ruthenium SMILES: [Ru]
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
Potassium Standard, 1000mg/L in 2% HNO3 (Assurance Grade), 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 IUPAC Name: potassium chloride SMILES: [Cl-].[K+]
pH 4 Buffer Standard, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material