BHC (delta isomer-13C6), 100µg/ml in Nonane, 1,2ml

Terbium (Tb)

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no.

Nitrite (NO2-) as N