Permethrin, 100 µg/ml, Ethyl acetate, 5ml

Custom mix of C18-C22 alkyl PAHs, 23 components each 2µg/mL in Toluene (Sigma quality 155004, ACS Spectrophotometric grade)): Prepared gravimetrically by weighing components and solvent to a calculated 0,10mg/mL. This product has been diluted gravim

Extraction Standard Solution, in nonane/6.8% toluene, 1,2ml

2-Hydroxy-propoxycarbazone, 100 µg/ml, Acetonitri