Nitrate as (NO3-)

C29 1-Methyl triaromatic sterane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 80382-28-1

Perfluorooctane sulfonylfluoride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 307-35-7

Method 200.8 / 1638 / 1640 Internal Standard, in 2%-HNO3/Water, 4x25ml