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In this paper a study of the composition of coriander seed essential oil prepared by steam distillation and supercritical CO_2 fluid extraction was made by means of GC and GC-MS.

本文采用GC和GC-MS技术对芫荽子超临界CO2流体萃取(SFE-CO2)精油的化学成分进行了剖析,并与水汽蒸馏(SD)精油作了比较。

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The authors used GC retention indices and GC-MS-DS technique to analyze the chemical composition of Coriander seed oil from Laifeng county.

采用GC保留指数和GC-MS-DS技术对水蒸汽蒸馏得到的来凤芫荽子油的化学成份进行分析,鉴定出了35种化合物,占挥发性成分的96.59%。

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First, I analysed the trace, poisonous organic contamination, both qualitatively and quantitatively, by mass spectrometry ( GC/ MS) and gas chromatography, using an electron capture detector ( GC/ μ-ECD).

首先,利用化学仪器(GC-MS和GC-μECD)分析方法,根据不同的色谱条件对有机有毒微污染物进行了定性和定量分析,确定了这些物质的种类和浓度。

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Analysis of Volatile Components from Bougainvillea glabra 'Formosa' by GC-MS

光叶三角梅‘Formosa’叶片挥发性组分的GC-MS分析

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Development of sodium benzoate detection in sauce by GC-MS as a teaching experiment

将酱油中苯甲酸钠含量的测定设计为GC-MS联用教学实验的探讨

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Tonka beans were treated in high-voltage static field, extracted with 95% ethanol for 120 hours,( filtrated,) concentrated, dried by anhydrous sodium sulphate, and then analyzed by GC/ MS.

先用高压静电场对黑香豆进行预处理,然后用95%的乙醇将预处理的黑香豆浸泡120h,过滤,用旋转蒸发仪浓缩,用无水硫酸钠干燥后进行GC/MS分析。

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Carrier dyeing is one of the most popular process for pure polyester and its blended fabric dyeing. Qualitative analysis of 23 types of carriers containing organo chloride can be carried out by chromatographic fractionation and mass spectrum, and be quantified by GC MS analytical technology.

载体染色工艺是聚酯纤维纯纺及混纺产品常用的染色工艺,采用色谱分离、质谱定性检测和按色谱图定量的GC MS分析技术可以检测23种含氯有机载体。

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Condensed and gas phase after aging process were investigated using FTIR, GC-MS and solid microextraction technique.

利用FTIR、GC MS与固相微萃取相结合的方法分别对老化处理后的凝聚相和富集的气相组分进行分析,以研究老化过程中的相容性。

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Causes of peculiar smell in city water are analyzed with P& T-GC-MS.

用P&T-GC/MS分析自来水中异味的原因。

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Analysis of Fatty Acids in Cashew-Nut Kernel Oil by GC-MS

GC-MS法分析腰果仁油中的脂肪酸

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Using gas chromatography mass spectroscopy ( GC-MS) method, 14% unknown components and contents in pecan oil were determined for the first time.

采用色-质联用仪对山核桃仁油中14%的未知成分及含量进行了确定和分析。

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Aroma compounds of traditional Chinese Nanjing water boiled salted duck were analyzed by headspace solid phase microextraction ( HS-SPME), simultaneous distillation extraction ( SDE) combined with GC-MS.

采用顶空固相微萃取和同时蒸馏萃取2种方法提取了中国传统肉制品盐水鸭的香气成分,并用气质联用进行分析。

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Twenty-nine volatile compounds were identified by means of PT combined with GC/ MS;

吹扫捕集法结合GC/MS共分离鉴定出29种成分;

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GC/ MS analysis of the synthetic products of brominated tetramethylpyrazine

四甲基吡嗪的溴代合成产物的GC/MS分析

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Analytical Method for 2, 4-D Butylate and its Impurities in Technical Material by GC/ MS

2,4-滴丁酯原药及其杂质GC-MS分析研究

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Pyrolysis GC-MS Analysis of the Adhesion Agent

一种胶粘剂的裂解GC-MS分析

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GC-MS Analysis on the Components of Fatty Acids in the Muscle of Anak Chicken

安卡鸡肌肉脂肪酸组分的气相色谱-质谱联合分析

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A GC/ MS procedure described in this paper was applied to study the characteristic metabolites of androstenedione in human urine.

本文介绍了中国兴奋剂实验室使用气相色谱-质谱联用仪对尿样中雄烯二酮主要代谢物的分析研究。

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The compositions of polysaccharide from Melia azedarach fruit and MP1 were also determined and quantified by GC-MS and IR spectrum.

借助气质联用仪,对苦楝粗多糖和组分MP1进行了成分分析。

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