Chromium (Cr), 1µg/ml in 2%-HNO3/Water, 4 x 25ml

Calibration Standard Mix 2

Methyl 6-cis-octadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2777-58-4

Petrochemical Internal Standard C14-C17 4 Analytes, equal Wt.%; unit : 25ml screw-capped bottle n-Tetradecane C14 n-Hexadecane C16 n-Pentadecane C15 n-Heptadecane C17