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建立用国产GDX－403固相柱、GC／NPD毛细管气相色谱法，提取、净化生物检材中鸦片的方法。在1ml全血中添加1～4μg混合药物，回收率为79.2％～89.3％，RSD为2．61％～7．50％；在2g肝中添加2．5～10μg混合药物，回收率为72．9％～86．9％，RSD为2．27％～9．20％。该法回收率高，可用于检测人体内的微量鸦片成份。
To establish a domestic GDX-403 solid phase column, GC / NPD capillary gas chromatography, extraction, purification of biological samples of opium method. In 1ml of whole blood, 1 ~ 4μg of mixed drug was added, the recovery was 79.2% ~ 89.3%, RSD was 2.61% ~ 7.50%; 2.5g ~ 10μg mixed drug was added to 2g liver, the recovery was 72 .9% ~ 86.9%, RSD was 2.27% ~ 9.20%. This method has high recovery rate and can be used to detect traces of opium in the human body.