Standards

Paragon Scientific™ Total Acid Number Standard, ASTM D664 (nominal value: 2.93 mg KOH/g), 3 x 50g

Specifically manufactured for the verification of analytical instruments used to determine acid number by potentiometric titration. Each standard is certified in strict accordance with international test method protocols, ASTM D664 / IP 177.

Iron solution for ICP/MS 10mg/L HNO3 matrix, Fisher 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-]

Melting Point Benzophenone 47 to 49°C Standard, Reagecon

Ultrapure substance, specially prepared to calibrate, control, verify or qualify melting point (MP) devices.

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

CAS: 7447-40-7 Molecular Formula: ClK Molecular Weight (g/mol): 74.548 InChI Key: WCUXLLCKKVVCTQ-UHFFFAOYSA-M PubChem CID: 4873 ChEBI: CHEBI:32588 IUPAC Name: potassium;chloride SMILES: [Cl-].[K+]

Selenium, AAS standard solution, Se 1000μg/mL, Alfa Aesar™, Specpure™

CAS: 7782-49-2 Molecular Formula: Se Molecular Weight (g/mol): 78.971 MDL Number: MFCD00134090 InChI Key: BUGBHKTXTAQXES-UHFFFAOYSA-N PubChem CID: 6326970 ChEBI: CHEBI:27568 IUPAC Name: selenium SMILES: [Se]

Thirty three elements solution for ICP 100mg/L HNO3 matrix, Fisher chemical™

All Our Certified Reference Materials and Reagents are produced under an ISO 9001 Quality Management System, also Accredited according to ISO/IEC 17025 and Accredited according to ISO Guide 34.

Cerium for AAS 1g/L HNO3 matrix, Fisher 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-]

Sodium, plasma standard solution, Na 10,000μg/mL, Alfa Aesar™, Specpure™

Molecular Formula: Na2CO3 in 5% HNO3 MDL Number: MFCD00085307

  spinner