Tungsten (W)

N-methyl-d3-perfluoro-1-octanesulfonamidoacetic acid, 1.2ml x 50ug/ml, methanol

3-Nitrofluoranthene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 350820-11-0

n-Alkanes C10-C40 (all +pristane/phytane) 33 Analytes, each 100µg/mL in cyclohexane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the n-paraffins C10-C40 + pristane and phytane.