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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%">Autor</th> <th class="thCornerR">Wiadomość</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>defgf10aj</b></span></td> <td class="row1" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/Elveron/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Wysłany: Sob 12:33, 12 Lut 2011<span class="gen"> </span> Temat postu: Moncler pas cher Solvent residues in edible vegeta</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Edible vegetable oils Determination of residual solvents <br /> <br /> <br />Standard deviation between 2.5 a 3.4,<a href="http://www.moncler-pascher.org" target="_blank" class="postlink">Moncler pas cher</a>, in line with the analysis of residual solvents requirements. 3.4 The selection of standard materials used in the national standard reference material for the VI solvent, the solvent although VI is mainly a mixture of six carbon alkane, but the various manufacturers of the solvents is also a multi-channel sources, different sources of extracts of similar However, differences in content of each component is the mouth of the results of quantitative analysis. This article is based on n-hexane as a standard material, the authors have chosen several different brands of vegetable oil,<a href="http://www.uggbootsjapan.org" target="_blank" class="postlink">UGG ブーツ</a>, with 2.4 in the gas mass spectrometer in a condition to do a qualitative analysis of a large number of spectra, the results show that the six-carbon alkanes In addition to n-hexane and methyl cyclopentane outside the main (see Figure 2), 2-methyl pentane (see Figure 3), 3 - methyl pentane (see Figure 4), therefore we compare these three kinds of six-carbon alkanes (methyl cyclopentane,<a href="http://www.ghdsglaetteisen.com" target="_blank" class="postlink">ghd glätteisen</a>, 2-methyl pentane, 3. methyl pentane) under the calibration curve in this paper the recovery of n-hexane. Vegetable oils were added in the blank concentrations were 10,20 mg / i, and 40mg / I of the three kinds of six carbon alkane, measured 6 times each concentration, the recovery and relative standard deviations see Table) than the m / Z Figure 2 the mass spectrum of methyl pentane -57 {i86 {ii769; I}. Table 2546O667276849O} z 4248 m / Z Figure 32 the mass spectrum of a methyl-3 pentane six carbon alkane determination of residual solvent recovery results of slaughter can be seen from Table 2, 3 six carbon alkane concentrations in the addition of 3 a recovery of 94.96% at 93.16% and relative standard deviation OOO0 coffee coffee coffee coffee 75 �� �� �� �� �� �� 0 �� as to avoid the Lord dragonfly plus 3 Qian Kai et al: edible vegetable oils Determination of residual solvents 2000. r100007II786l0oIII. . l1.6080100 mass charge ratio m / Z of 43-methyl pentane in the mass spectrum of a difference of 1.9 - 4.6 between, so you can use the n-hexane as a standard material. 4 Conclusion headspace sampling method, gas chromatography, using hexane as the calibration material calibration curve, the minimum detection limit of 0.001mg / I,<a href="http://www.monclersoutlet.org" target="_blank" class="postlink">moncler outlet</a>, the recovery of a 98.88 at 97.98, and the relative standard deviation between 2.5 an 3.4, in line with the analysis of residual solvents requirements. The current oil production has changed the traditional pressing process, and the use of organic solvent extraction, this method is actually the chemical industry in the extraction method, caused by the residual solvent on the harmful effects of oil quality, so control measures must be taken to develop effective means of detection, residual organic solvents to prevent excessive inflow of edible oil market and endanger people's health. The method is rapid,<a href="http://www.toryburch-sale.net" target="_blank" class="postlink">tory burch</a>, simple, high recovery can be rapid and accurate determination of the residual organic solvents in edible oil. <br /> More articles related to topics： <br /> <br /> <br /> <a href="http://www.forge.fora.pl/forum,16/nike-air-max-erhualian-and-yorkshire-pigs-early-gr,24273.html#27979" target="_blank" class="postlink">nike air max Erhualian and Yorkshire pigs early gr</a> <br /> <br /> <a href="http://defgf35ou.bokee.com/viewdiary.233855628.html" target="_blank" class="postlink">UGG ブーツ Ningbo rush hazards and controlling wee</a> <br /> <br /> <a href="http://tasavvuf.forumup.co.uk/viewtopic.php?p=15856&mforum=tasavvuf#15856" target="_blank" class="postlink">moncler outlet Research and seed companies to face</a></span></td> </tr> </table></td> </tr> <tr> <td colspan="2" height="1" class="spaceRow"><img src="http://picsrv.fora.pl/Elveron/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </table>
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