We use a GC-FID coupled to a Headspace Autosampler in order to detect residual solvents in concentrates, extracts and distillates. Our method follows the United States Pharmacopeia (USP) method 467.
Propane
25
80
Isobutane
25
80
N-Butane
25
80
Methanol
25
80
N-Pentane
25
80
Ethanol
Ethyl Ether
25
80
Acetone
25
80
Isopropanol
25
80
Acetonitrile
25
80
Dichloromethane
25
80
N-Hexane
25
80
Ethyl Acetate
25
80
Chloroform
Cyclohexane
25
80
Benzene
1
2
N-Heptane
25
80
Toluene
25
80
Xylene
25
80