Orthophosphate (as PO43-)

Reference Mixture VI 11 Analytes, each 200 ppm in methanol (Spectrograde); unit: 10x10mL 1381,2Methyl formate 1376,4 1-Butanol 1370,5 3-Pentanone 1382,2 Ethanol 1377,4 2-Butanol 1378,6 1-Hexanol 1373,7 1-Heptanol 1369,6 3

4-tert-Octylphenol-13C6monoethoxylate

Pristane/n-Heptadecane Control Standard/Whole Oil Control Mixture 4 Pristane/n-Heptadecane = 1:2 (1000µg Pristane and 2000µg n-Heptadecane in 1mL isooctane)