OBJECTIVE To study the fingerprints of different Fructus cnidii samples by GC and GC-MS. 目的采用GC和GC-MS色谱法研究并建立各产地蛇床子药材挥发油成分的指纹图谱。
In conclusion, solid-phase microextraction coupled with GC-MS is comparatively more simple and effective method for the analysis of volatile composition of Chinese liquor. 分析表明:固相微萃取与气质联用是比较简单方便、有效提取和分析白酒中挥发性成分的方法。
The study researched the derivative way of carbohydrates with BSTFA by GC-MS. 研究了衍生化试剂BSTFA对烟草中糖类的衍生化反应,并用GC-MS进行分析。
Contrastive Test of Dimethyl Fumarate in Leather by HPLC and GC-MS HPLC和GC-MS检测皮革中富马酸二甲酯效果对比
ObjectiveThe chemical constituents of the essential oil from Cacumen Platycladi in Xinjiang were analyzed by GC-MS. 目的用气相色谱-质谱联用(GC-MS)法对新疆地产侧柏叶挥发油成分进行分析。
Objective: To establish a for determination of methyl tert-butyl ether in drinking water by purge-trap GC-MS. 目的:建立适用于水中甲基叔丁基醚的吹扫捕集GC-MS测定方法。
Determination of aroma compositions of Korla pears by solid-phase microextraction and static headspace extraction using GC-MS 固相微萃取-GC-MS法和静态顶空-GC-MS法同时测定库尔勒香梨的香气成分
The method utilized purge-and-trap to concentrate benzene in beverages, gas chromatography and mass spectrometry ( GC-MS) was used to determine benzene. 建立了饮料中痕量苯的检测方法,采用吹扫捕集浓缩饮料中的苯,使用气相色谱质谱检测器进行定性定量测定。
Ingredients in biomass tar and its distillate were analyzed by GC-MS-MS. 采用气相色谱-质谱联机(GC-MS)对生物质焦油及其馏分进行成分分析研究。
A method for determination of chlorobenzenes in water by headspace single-drop liquid-phase microextraction with GC-MS detection was investigated. 研究了用顶空液相微萃取GC-MS法测定水中的痕量氯苯类有机污染物。
Analysis of Benzene Series Compounds in Bread Packaging Paper Using Headspace GC-MS 顶空气相色谱质谱法分析面包包装纸中的苯系物
Chemical constitution of Pinus kesiya oleoresin from Burma was analyzed by GC-MS. 采用GC-MS联用技术对产自缅甸的卡西亚松松脂化学成分进行了分析和鉴定。
The aromatic components of fresh litchi and dried litchi was studied by SPME and GC-MS in this paper. 利用固相微萃取(SPME)、GC-MS研究荔枝鲜果,半干型荔枝干以及焦化的荔枝干的香气成分。
A method was developed for determining residual clenbuterol and ractopamine in animal liver ( tissues) using solid phase extraction ( SPE) with gas chromatography-mass spectrometry ( GC-MS). 建立了同时测定动物肝组织中盐酸克伦特罗和盐酸莱克多巴胺残留量的固相萃取-气相色谱-质谱分析方法。
Suitable GC-MS column and method and data on the repeatability of the method are described in Annex A. 附录A中给出了适宜的GC-MS柱、检测方法以及方法重现性方面的数据。
Methods: Essential oil was extracted from Xinjiang maca by steam distillation, and then was subjected to chemical component analysis by gas chromatography-mass spectrometry ( GC-MS). 方法:采用水蒸气蒸馏法和气质联用技术对新疆引种玛咖中的挥发油成分进行分析,并研究提取时间、缓冲液浓度对玛咖挥发油主成分的影响。
Analysis of Liposoluble Constituents from Ligularia fischeri by GC-MS 蹄叶橐吾中脂溶性成分的气相色谱-质谱联用分析
GC-MS analysis of chemical constituents of the essential oil from Lophatherum gracile Brongn. by different extraction methods 不同方法提取-GC/MS法分析淡竹叶中的挥发油化学成分
Determination of Chlormphenicol ( CAP) Content in Honey by GC-MS/ MS using Stable Isotope Dilution Technique; 本文综述了稳定性同位素技术在这一领域的应用进展。
From one of the effective fractions several compounds such as linalool, eugenol, phenol, p-cresol have been identified by means of GC-MS and GC-IR analysis. 有拒食活住,籍助于色谱-质谱和色谱-红外光谱技术,对精油中的有效馏份进行了分析,鉴出了包括芳樟醇,丁香酚,苯酚,对-甲苯酚等化合物。
The effects of different additives on the yields of gas, solid and liquid were studied and the composition of organic components in bio-oil was analyzed by GC-MS. 考察了不同添加剂对气、固、液产率的影响,并用GC-MS法分析了生物油中有机成分。
GC-MS analysis and treatment of heparin sodium wastewater 肝素提取废水的GC-MS分析和处理研究
Conclusion Combination of GC-MS and national standard method can identify adulteration in sesame oil for qualitative and quantitative analysis. 结论气相色谱-质谱法与国标方法综合应用是鉴定芝麻油掺伪的通用分析法。
GC-MS Analysis and Determination of Fatty Acids in Bee Pollen 八种蜂花粉中脂肪酸的测定及GC-MS分析
GC-MS fingerprint and characteristic components of essential oil of processed Rhizoma Kaempferiae 山柰饮片挥发油的GC-MS特征成分和指纹图谱研究高效液相色谱法测定野马追药材中槲皮素和山柰素含量
Extracting and GC-MS Analysis of the Fruit and Leaf from Alpinia oxyphylla Miq 益智果和叶的挥发油提取及GC-MS分析
The chemical constituents of essential oil of Nanguoli pear with ultrasonic extracting was analyzed with GC-MS method. 采用超声波提取南果梨挥发油,利用GC/MS法分析其化学成分及相对百分含量。
The producing causation of carcinogenic aromatic amine in dye products was analysed and the method for determining carcinogenic aromatic amine by GC-MS was established. 分析了染料产品中致癌芳香胺的产生原因;确定了采用气相色谱和质谱联用检测致癌芳香胺的方法。
GC-MS was used to detect the fatty acid composition and content. 并采用GC-MS法检测了油脂的脂肪酸组成和含量。
Determination of Residual Organic Solvents in Norcantharidin by Headspace GC-MS 顶空GC-MS法测定去甲斑蝥素中的有机溶剂残留