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-]

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+]

Melting Point Benzophenone 47 to 49°C Standard, Reagecon

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

Sulfur, plasma standard solution, S 1000μg/mL, Alfa Aesar™, Specpure™

Molecular Formula: (NH4)2SO4 in H2O MDL Number: MFCD00085316

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.

Aluminium plasma standard solution, Alfa Aesar™, Specpure™

CAS: 7784-27-2 Molecular Formula: AlH18N3O18 Molecular Weight (g/mol): 375.129 MDL Number: MFCD00134029 InChI Key: SWCIQHXIXUMHKA-UHFFFAOYSA-N PubChem CID: 24567 IUPAC Name: aluminum;trinitrate;nonahydrate SMILES: [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].O.O.O.O.O.O.O.O.O.[Al+3]

Nitro-Molibdovanadic Reagent EU Pharmacopoeia, Fisher Chemical™

Pharmacopoeia reagents are intended for use in pharmacopoeia testing and monographs, produced under a GMP compliant ISO 9001 quality management system according to the relevant pharmacopoeia specification, using the pharmacopoeia reagent quality components and water meeting the relevant pharmacopoeia monograph requirement for Purified Water. Some pharmacopoeia standards are also accredited according to ISO 17025 and ISO Guide 43.

  spinner