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imidacloprid
相关语句
  吡虫啉
    A Study on Degradation and Residual Determination of Imidacloprid in Vegetables
    吡虫啉在蔬菜上的残留及动态研究
短句来源
    Synthesis Methods of Pesticide Imidacloprid
    吡虫啉的合成方法
短句来源
    Analysis of Imidacloprid and Pyridaben by HPLC
    吡虫啉和哒螨灵的HPLC分析
短句来源
    Evaluation on Toxicity and Safety of Imidacloprid to Environmental Organisms
    吡虫啉对环境生物的毒性与安全性评价
短句来源
    Synthesis of 2-Chloro-5-chloromethylpyridine and Imidacloprid
    2-氯-5-氯甲基吡啶及吡虫啉的合成
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    Preparation of Imidacloprid + Thiram + Carbendazim 27% FS for cotton seed treatment
    27%吡·福·多悬浮种衣剂的研制
短句来源
    The Study of 5% Micro-emulsion Containing Beta-cypemethrin and Imidacloprid
    5%高氯吡微乳剂的研究
短句来源
    0g/ml recoveries of imidacloprid in soil were from 86.5 to 110.2% with C.
    间接ELISA法测定土壤中毗虫琳的添加回收率为86.5~1 10.2%,cv.
短句来源
    The results also show that the hydrolysis half life of imidacloprid in three buffer solutions with pH values of 5, 7 and 9 were 30.6, 13.6 and 8.0 d separately;
    在pH5、pH7、pH9的缓冲溶液中的水解半衰期分别为30.6、13.6与8.0d;
短句来源
    the degradation half life of imidacloprid in Northeast China black soil, Jiangsu Taihu paddy soil and Jiangxi red soil were 10.7, 11.1 and 4.1 d separately.
    在东北黑土、太湖水稻土和江西红壤中的降解半衰期分别为10.7、11.1和4.1d。
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  imidacloprid
Determination of the Insecticide Imidacloprid in Potato (Solanum tuberosum L.) and Onion (Allium cepa) by High-Performance Liqui
      
A high-performance liquid chromatography (HPLC) method has been proposed for the determination of imidacloprid residues in fortified potato (Solanum tuberosum L.) and onion (Allium cepa) and in treated potato and onion samples.
      
Sample preparation consisted of dichloromethane extraction of imidacloprid from the plant material, followed by purification of the obtained onion extract on an LC-Florisil disposable cartridge.
      
The HPLC-diode-array-detection (DAD) method has been developed on reversed phase for separation of imidacloprid with isocratic elution with a mixture of 0.01 M phosphate buffer (pH 3.15) and acetonitrile (75 : 25, v/v).
      
Spectral data obtained with DAD allow the identification of imidacloprid residue.
      
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The photolysis, hydrolysis of imidacloprid in three buffer solutions with different pH values and the degradation of imidacloprid in Northeast China black soil, Jiangsu Taihu paddy soil and Jiangxi red soil were studied in laboratory. The results of the study show that the photochemical reaction of imidacloprid in aqueous solutions irradiated by 300 W low voltage mercurial lamp fitted to the first order dynamic equation, and its photolysis half life was 6.81 h. The results also show that the...

The photolysis, hydrolysis of imidacloprid in three buffer solutions with different pH values and the degradation of imidacloprid in Northeast China black soil, Jiangsu Taihu paddy soil and Jiangxi red soil were studied in laboratory. The results of the study show that the photochemical reaction of imidacloprid in aqueous solutions irradiated by 300 W low voltage mercurial lamp fitted to the first order dynamic equation, and its photolysis half life was 6.81 h. The results also show that the hydrolysis half life of imidacloprid in three buffer solutions with pH values of 5, 7 and 9 were 30.6, 13.6 and 8.0 d separately; the degradation half life of imidacloprid in Northeast China black soil, Jiangsu Taihu paddy soil and Jiangxi red soil were 10.7, 11.1 and 4.1 d separately.

在实验室测定了吡虫啉的光解、不同pH条件下的水解与在东北黑土等3种不同土壤中的降解。试验结果表明,在300W低压汞灯下,吡虫啉水相溶液的光解呈一级反应动力学反应,光解半衰期为6.81h;在pH5、pH7、pH9的缓冲溶液中的水解半衰期分别为30.6、13.6与8.0d;在东北黑土、太湖水稻土和江西红壤中的降解半衰期分别为10.7、11.1和4.1d。

The synthesis methods of imidacloprid were reviewed in this paper.Imidacloprid was synthesized through four steps by the method using 3-methylpyridine as starting material.The total yeild was 43%.

本文对吡虫啉的各种合成方法进行了总结。并以3-甲基吡啶为起始原料经四步反应合成了吡虫啉,总收率为43%。

A quantitative analysis of imidacloprid by using external standard,Spherisorb ODS method reversed phase column,methanol and water (70∶30) as mobile phase and ultravolet obsorption detector at 254nm was covenient,rapid and accurate.

本文用反相高效液相色谱法,采用ODS色谱柱,以甲醇∶水(70∶30)作为流动相,在254纳米下检测吡虫啉有效成分含量。

 
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