Internal Standard ASTM D-5307

Dibenzo[cd,n]naphtho[3,2,1,8-pqra]perylene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 109278-09-3

Salinity 35 Ions in Seawater

Chloridazon-desphenyl, 100 µg/ml, Acetonitrile,