Sample pretreatment is the critical section in residue determination, it's the key indicator to measure the advancement and practicability of a new determination method.
现在我国很多科研院所和检测机构的仪器设备水平和国外相比差异不大，差距是在样品的提取、净化等前处理上。
Objective to characterize the components of "antibiotic destroyer" in raw milk and examine its residue determination in raw milk samples collected from the retail stores in Beijing.
目的鉴定“生鲜牛乳抗生素分解剂”的主要成分，调查北京零售牛奶中是否含有“生鲜牛乳抗生素分解剂”。
The method was rapid and practical analysis detection method that was in line with request of pesticide residue determination. It is suggested that the method be popularized and applied to practice.
该方法完全符合农药残留量检测的技术要求，是一种快速有效的分析检测方法，适合在实践中推广使用。
The technology mechanism and a key link of immunoassay for herbicide residue were introduced. The study progress on determination of herbicide residue by immunoassay was reviewed.
文章介绍了农药残留免疫分析技术的原理、关键技术环节，综述了国内外除草剂残留免疫测定的研究动态。
A method for the determination of residue of fumigant sulfonyl fluoride in some cereals, such as maize, rice, barley and soya bean, is reported by headspace gas chromatography.
报道了利用顶空气相色谱-电子捕获检测法测定玉米、大米、黄豆、大麦等粮食中熏蒸剂硫酰氟残留量的方法。
Environmental and farm produce contamination by toxic heavy metal has become a major safety problem for human. Therefore rapid determination of heavy metal residue urgently required.
环境及农畜产品中的重金属残留已对人类安全构成严重威胁，急需快速、高效的重金属残留检测方法。
The proposed method has been applied to the determination of palladium in Cu-Ni alloys, chloride residue of noble metals and sulfonium compound of noble metals with satisfactory results.
所拟方法用于铜镍合金、贵金属氯化渣、贵金属高锍中钯的测定，获得满意结果。
Conclusion: Featured by good simplicity, accuracy and repeatability, the method can be applied to the determination of sulfur dioxide residue in wine with satisfactory results.
结论：该方法简便、准确、重复性好，用于葡萄酒中二氧化硫残留量的测定，结果令人满意。
The Kinetics of thermal conversion reaction of Huanxiling vacuum residue were also studied with the determination of the order of reaction and apparent activation energy.
研究了辽河欢喜岭稠油减压渣油的热转化反应动力学，并计算了它们的反应级数和表观活化能。
The determination method of Tetracycline family of drugs residue in the tissue was improved through the pretreatment and selection optimization of GC analytical conditions.
通过前处理方法和色谱分析条件的选择优化，改进了组织中四环素族药物残留的检测方法。
A spectrophotometric method for the fast determination of furazolidone residue in the aquatic products with standard curve and standard addition was developed.
建立了快速检测水产品中呋喃唑酮残留量方法。 采用分光光度法，以校准曲线法、标准加入法检测海虾、养殖虾中呋喃唑酮残留量。
This paper reviews recent research progress in sulfonylurea herbicide residue analysis in the environment including the methods used in pretreatment and determination and their applicability.
综述近年来环境巾磺酰脲类除草剂残留测定前处理和测定方法的研究进展及适用范围。
A method for determination of eight sulfonamides residue in royal jelly by using solid-phase extraction high performance liquid chromatography with fluorescence detector was established.
建立蜂王浆中八种磺胺类药物残留的固相萃取-高效液相色谱荧光分析方法。
A method for determination of eight sulfonamides residue in royal jelly by using solid-phase extraction high performance liquid chromatography with fluorescence detector was established.
建立蜂王浆中八种磺胺类药物残留的固相萃取-高效液相色谱荧光分析方法。
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