Quality Control and Proficiency Samples
Quality Control and Proficiency Samples
QC Standard 21 For Environmental Analysis, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
QC Standard 7A For Environmental Analysis, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
Quality Control Standards 21 For ICP, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
Quality Control Standards 23 For ICP, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
VeriSpec™ QC Standard 21, Ricca Chemical

CAS: 7697-37-2 Molecular Formula: HNO3 Molecular Weight (g/mol): 63.012 InChI Key: GRYLNZFGIOXLOG-UHFFFAOYSA-N PubChem CID: 944 ChEBI: CHEBI:48107 IUPAC Name: nitric acid SMILES: [N+](=O)(O)[O-]
QC Standard 21 For ICP/MS, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
Quality Control Standard 21, Ricca Chemical

ICP Quality Control Standard
QC Standard 7 For Environmental Analysis, SPEX CertiPrep™
ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material
VeriSpec™ QC Standard 21, Ricca Chemical

100 ppm: As, Be, Ca, Cd, Co, Cr, Cu, Fe, Li, Mg, Mn, Mo, Ni, Pb, Sb, Se, Sr, Ti, Tl, V, Zn /nManufac
International Stock Standard Mixture (2 components), Restek™

CAS: 8012-95-1 Molecular Formula: MFCD00131611 Molecular Weight (g/mol): 0.00 MDL Number: MFCD00131611 InChI Key: FFNDMZIBVDSQFI-UHFFFAOYSA-N PubChem CID: 68245 ChEBI: CHEBI:38701 IUPAC Name: 2-(3,4,5-trihydroxyphenyl)chromenylium-3,5,7-triol;chloride SMILES: *