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.

Rhodium, plasma standard solution, Rh 1000μg/mL, Alfa Aesar™, Specpure™

CAS: 7440-16-6 Molecular Formula: Rh Molecular Weight (g/mol): 102.906 MDL Number: MFCD00011201 InChI Key: MHOVAHRLVXNVSD-UHFFFAOYSA-N PubChem CID: 23948 ChEBI: CHEBI:33359 IUPAC Name: rhodium SMILES: [Rh]

Aluminum, plasma standard solution, Al 1000μg/mL, Alfa Aesar™, Specpure™

CAS: 7429-90-5 Molecular Formula: Al Molecular Weight (g/mol): 26.982 MDL Number: MFCD00134029 InChI Key: XAGFODPZIPBFFR-UHFFFAOYSA-N PubChem CID: 5359268 ChEBI: CHEBI:33629 IUPAC Name: aluminum SMILES: [Al]

Tungsten solution for ICP/MS 10mg/L NH4OH matrix, Fisher chemical™

CAS: 7440-33-7 Molecular Formula: W Molecular Weight (g/mol): 183.84 InChI Key: WFKWXMTUELFFGS-UHFFFAOYSA-N PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC Name: tungsten SMILES: [W]

Palladium, plasma standard solution, Specpure™, Pd 1000μg/ml, Alfa Aesar™

Molecular Formula: Pd in 20% HCl MDL Number: MFCD03613603

Terbium solution for ICP/MS 10mg/L HNO3 matrix, Fisher chemical™

CAS: 7440-27-9 Molecular Formula: Tb Molecular Weight (g/mol): 158.925 InChI Key: GZCRRIHWUXGPOV-UHFFFAOYSA-N PubChem CID: 23958 ChEBI: CHEBI:33376 IUPAC Name: terbium SMILES: [Tb]