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.
Vanadium Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™
CAS: 7803-55-6 Molecular Formula: H4NO3V Molecular Weight (g/mol): 116.98 MDL Number: MFCD00011430 InChI Key: YBVKNHXQSRDWAA-UHFFFAOYSA-M PubChem CID: 516859 SMILES: N.O[V](=O)=O
pH 7 Buffer Standard, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
Sulfur Standard For ICP, 1000μg/mL in Water, SPEX CertiPrep™
CAS: 7783-20-2 Molecular Formula: H8N2O4S Molecular Weight (g/mol): 132.13 MDL Number: MFCD00003391 InChI Key: BFNBIHQBYMNNAN-UHFFFAOYSA-N PubChem CID: 6097028 ChEBI: CHEBI:62946 SMILES: N.N.OS(O)(=O)=O
Mercury Standard For ICP, 1000μg/mL in 10% HNO3, Assurance Grade, SPEX CertiPrep™
CAS: 7439-97-6 Molecular Formula: Hg Molecular Weight (g/mol): 200.59 MDL Number: MFCD00011035 InChI Key: QSHDDOUJBYECFT-UHFFFAOYSA-N PubChem CID: 23931 ChEBI: CHEBI:16170 IUPAC Name: mercury SMILES: [Hg]
Magnesium Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™
CAS: 7439-95-4 Molecular Formula: Mg Molecular Weight (g/mol): 24.30 MDL Number: MFCD00085308 InChI Key: JLVVSXFLKOJNIY-UHFFFAOYSA-N PubChem CID: 5462224 ChEBI: CHEBI:25107 IUPAC Name: magnesium SMILES: [Mg]
Barium Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™
CAS: 7440-39-3 Molecular Formula: Ba Molecular Weight (g/mol): 137.33 MDL Number: MFCD00134031 InChI Key: DSAJWYNOEDNPEQ-UHFFFAOYSA-N PubChem CID: 5355457 ChEBI: CHEBI:32595 IUPAC Name: barium SMILES: [Ba]
Iodide Standard For Ion Chromatography, SPEX CertiPrep™
CAS: 7681-82-5 Molecular Formula: INa Molecular Weight (g/mol): 149.894 InChI Key: FVAUCKIRQBBSSJ-UHFFFAOYSA-M PubChem CID: 5238 ChEBI: CHEBI:33167 IUPAC Name: sodium;iodide SMILES: [Na+].[I-]
Silicon Standard For ICP, 1000μg/mL in H2O/0.24 F, Assurance Grade, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
Cadmium Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™
CAS: 7440-43-9 Molecular Formula: Cd Molecular Weight (g/mol): 112.41 MDL Number: MFCD00010914 InChI Key: BDOSMKKIYDKNTQ-UHFFFAOYSA-N PubChem CID: 23973 ChEBI: CHEBI:22977 IUPAC Name: cadmium SMILES: [Cd]
Calcium Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
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]