Nitrate (NO3-) as N

Fensulfothion-sulfone, 100 µg/ml, Toluene, 1ml

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.

2,3,4,4'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,