第1楼2004/06/23
你可以利用以下网络资源进行检索：
http://www.analysis.org.cn/ 中国分析网
http://www.google.com 信息检索网
http://www.wanfangdata.com.cn/万方数据库
http://www.nstl.gov.cn/nstl/user/ywjsdg.jsp 国家科技文献图书中心
http://www.scirus.com/?PTS Scirus 科学信息检索网
http://www.chinastandard.com.cn/view.asp?id=200302180019 标准咨询网
http://www.chemlab2u.com/fx2/sz.htm 化验室
祝愿你能够找到你想要得到的信息。
第4楼2004/06/27
Volatile Sulfur Compounds (VSC) by Gas Chromatography/Flame Photometric Detection or Gas Chromatography/"Hall" Conductivity Detection (low ppb detection limits) for the determination of sulfur compounds such as: Hydrogen Sulfide, Carbonyl Sulfide, Sulfur Dioxide, Methyl Mercaptan, Ethyl Mercaptan, Dimethyl Sulfide, Carbon Disulfide, Isopropyl Mercaptan, Methyl Ethyl Mercaptan, n-Propyl Mercaptan, tert-Butyl Mercaptan, Dimethyl Disulfide, sec-Butyl Mercaptan, Isobutyl Mercaptan, Diethyl Sulfide, n-Butyl Mercaptan.
www.test-lab.com
第5楼2004/06/27
ABSTRACT. Partition coefficient related composition of LPG are studied. Analysed sulfur compounds are ethyl mercaptan,
n-propyl mercaptan and n-butyl mercaptan. The composition of liquid phase and gas phase in LPG are determined
by gas chromatography. The partition coefficient to related the boiling point of sulfur compounds, the temperature
and the compositions of solvents, determined by using MLR(multiple linear regression) of SAS is follows; Kpc=
0.61222(±0.6578)-0.04670(±0.000959)Bp+0.26984(±0.06504)C4+0.003803(°æ0.0019993)Tk, N=24, F=14.851, Radj
2 =
0.6437. The boiling points of sulfur compounds at atmospheric pressure and the compositions of LPG effect mostly on
partition coefficients. It is presumed that the gas odor elevating effects should be increased, where being on high temperature
and larger amounts of n-butane.
Key words: LPG, Partition coefficient, Sulfur compound, Multiple linear regression
http://journal.kcsnet.or.kr/publi/dh/dh02n6/523.pdf
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