| 第 31 卷第 2 期 |  | Vol. 31 No. 2 | | 2001 年 4 月 | Apr 2001 |
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所屬欄目：分析與測試
氣相色譜法測定糧谷中乙霉威殘留量 |
| 劉愛(ài)潔;(湖南省輕工業(yè)高等專(zhuān)科學(xué)校;) |
| 摘 要：大米、玉米中殘留的乙霉威 (diethofencarb)用丙酮 水提取 ,提取液先后經(jīng)乙酸乙酯及乙腈液 液分配凈化 ,再經(jīng)弗羅里硅土柱凈化后 ,用配有氮磷檢測器 (NPD)的氣相色譜儀測定 ,外標法定量。該法測定低限為 0 0 5μg/ g ,添加濃度在 0 0 5～ 1.0 0 μg/g時(shí) ,回收率在80 %～ 10 9%。 |
| 關(guān)鍵詞：氣相色譜; 乙霉威; 殘留量; 糧谷; |
| 中圖分類(lèi)號：TQ450.2 文獻標識碼：A 文章編號：1009-9212(2001)02-0051-02 |
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| Study on the Determination for Diethofencarb Residues in Cereal by Gas Chromataorgraphy |
| LIU Ai jie （Hunan Light Industry College; Changsha 410015; China）; |
| Abstract：Residual diethofencarb in rice and corn were extracted with acetone water system. The extract was clean up with liquid liquid partion by H 2O layer organic layer (CH 3COOC 2H 5 and CH 3 CN), then with column chromatograph by Florisil silicon earth column. The method for determination of diethofencarb residues in cereal by Gas chromataorgraphy equipped with NPD was established. The low limit of detection is 0.05μg/g, and the recovery was arranged in 80～109% when the content of added diethofencarb i... |
| Key words：gas chromatograph; diethofencarb; residues; cereal; |
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收稿日期：2001-01-02
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