EPA Method 8240A Matrix Spiking Standard

1S,2R(+)-Ephedrine-D3

3-Chloro-1,2-propandiol-1-monopalmitoleate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

Octanoic acid-methyl ester, 1ml