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.

Strontium solution for Ion Chromatography 1g/L H2O matrix, Fisher chemical™

CAS: 7440-24-6 Molecular Formula: Sr Molecular Weight (g/mol): 87.62 InChI Key: CIOAGBVUUVVLOB-UHFFFAOYSA-N PubChem CID: 5359327 ChEBI: CHEBI:33324 IUPAC Name: strontium SMILES: [Sr]

Optimising solution, Elements - Mg,Cu,Rh,Cd,In,Ba,Ce,Pb,U for ICP 0.01mg/L, 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.

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

CAS: 7440-50-8 Molecular Formula: Cu Molecular Weight (g/mol): 63.546 MDL Number: MFCD00010965 InChI Key: RYGMFSIKBFXOCR-UHFFFAOYSA-N PubChem CID: 23978 ChEBI: CHEBI:30052 IUPAC Name: copper SMILES: [Cu]

Gold Plasma Std. Solution, Alfa Aesar™, Specpure™

CAS: 7440-57-5 Molecular Formula: Au Molecular Weight (g/mol): 196.967 MDL Number: MFCD00003436 InChI Key: PCHJSUWPFVWCPO-UHFFFAOYSA-N PubChem CID: 23985 ChEBI: CHEBI:30050 IUPAC Name: gold SMILES: [Au]

Potassium, plasma standard solutionμg/mL, Alfa Aesar™, Specpure™

CAS: 7757-79-1 Molecular Formula: KNO3 Molecular Weight (g/mol): 101.102 MDL Number: MFCD00133776 InChI Key: FGIUAXJPYTZDNR-UHFFFAOYSA-N PubChem CID: 24434 ChEBI: CHEBI:63043 IUPAC Name: potassium;nitrate SMILES: [N+](=O)([O-])[O-].[K+]