Method 1640 Tuning Standard

Natural alkyl pyrazines,1000 µg/mL,isooctane,1mL,

Methyl 9-cis-eicosenoate, 100µg/ml in Isooctane, 1ml

1,8-Bis(hydroxymethyl)anthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 34824-20-9