Labsert is manufacturer of Poly Aromatic Hydrocarbons (PAH) reference standard materials. PAH reference solutions are offered in 1 ml or 5 ml amber glass ampules. Solvents which are used for manufacturing of PAH standard solutions are chromatography grade pure such as acetonitrile, cyclohexane etc. Raw materials are certified reference standard chemicals. Certificate of analysis is offered in accordance with ISO 17034 scopes. Results are traceable to NIST. You can see details of all PAH CRM products linked below.