本文以OV－101为固定液，正二十二烷为内标物，气相色谱法测定溴苯腈辛酸酯乳油中有效成分含量。
The contents of the formulation of bromoxynil octanoate was determined by gas chromatography with FID on OV-101 , and n-docosane as internal standard .
正二十二烷