ASTM D1319 Calibration Standard Back Catalog number: 51215 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3230.20-K-IO 8-cis,11-cis,14-cis-Eicosatrienoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1783-84-2 Price on request S-4761-2-10T Custom mix of C10-C16 alkyl PAHs, 25 components each 2µg/mL in Toluene (Sigma quality 155004, ACS Spectrophotometric grade): Prepared gravimetrically by weighing components and solvent to a calculated 0,2mg/mL. This product has been diluted gravimet Price on request 1581.2-100MG Dicyanodiamide (Cyanoguanidine), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 461-58-5 Price on request