Residual Solvents Testing

SEATTLE'S SOURCE FOR ACCURATE CANNABIS TESTING

Residual Solvents Testing Information & LODs/LOQs

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.

LOD/LOQs

LOD

LOQ

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

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