Heptachlor, 1000µg/ml in Hexane, 1ml

Custom mix of C13-C17 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 0,20mg/mL. This product has been diluted gravime

Set Up Mixture 1 S-4264 2 Analytes Units: Use this standard to verify that all instrument components, temperatures, and cut times are accurate. Name: Wt. % MTBE (methyl tert-butyl ether) 5,0 Isooctane 95,0

Sulfate (SO42-)