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荧蒽相关的论坛

  • PAHs中k,b,j荧蒽问题

    最近新买了一种O2SI的18中PAHs标品(安普买的)用于zek01.4-08的方法开检!可是附带的证书中苯并k荧蒽,苯并j荧蒽,苯并b荧蒽均在一个峰上,这样不检出还好,一旦检出无法分别,想咨询下,在方法开检时相应物质的回收率怎么做?以及如果有检出,怎么处理?

  • 苯并b,j,k荧蒽的MIC图

    苯并b,j,k荧蒽的MIC图

    http://ng1.17img.cn/bbsfiles/images/2013/08/201308011814_455421_2115574_3.png这个是使用DB-EUPAH 20m×0.18mm×0.14um色谱柱测试的PAH18种混标中苯并荧蒽,苯并荧蒽,苯并荧蒽的MIC图,出峰顺序是b,k,j。

  • 菲、萘、荧蒽的气相色谱条件,小白请赐教!

    我使用的[url=https://insevent.instrument.com.cn/t/Mp]气相色谱[/url]是安捷伦7890 A。色谱柱选的是DB-5,买了菲、萘、荧蒽,准备溶于二氯甲烷测[url=https://insevent.instrument.com.cn/t/Mp]气相色谱[/url],看到文献上的升温程序非常长,大神们可不可以提供一个比较简单的升温程序,因为被抽中校外送审,还有三星期时间论文还没有整完,没有太多时间去自己琢磨,希望大神不要喷我

  • 【已应助】求EN 1400:2002

    1.儿童用具及护理用品-婴幼儿安抚奶嘴 EN 1400:2002 2. 婴幼儿安抚奶嘴挂带 EN 125863. 儿童用具及护理用品和饮用器具EN14350:20044.欧盟2002/72/EC双酚A5.液体微生物(大肠杆菌)测试 液体闪点(ASTM D93-08)

  • 【求助】求:EN 14350-2 和EN 1400-3 及EN 14372标准-应助

    各位朋友前辈们好,有谁能帮我提供:BS EN 14350-2-2004 儿童使用和护理用品.饮水设备.化学要求和试验方法EN 1400-3-2002 儿童专用护理用品--婴儿及幼童用奶嘴--第3部分:化学规定及测试EN 14372-2004 儿童用护理用品.刀叉和喂养工具.安全要求和试验非常感谢各位朋友帮忙,谢谢!

  • 【已应助】求標准EN 205

    之前我求助過EN 204﹐有熱心的網友應助﹐可是看完之后才發現﹐有些東西要參考EN 205﹐現在本人"厚顏無恥"的求EN 205。謝謝大家﹗

  • 一起欣赏德国波恩樱花大道1

    一起欣赏德国波恩樱花大道1

    [b][color=#cc0000]一起欣赏德国波恩樱花大道1[/color][/b][img=,640,800]https://ng1.17img.cn/bbsfiles/images/2022/04/202204021604129257_8172_1841897_3.jpg!w640x800.jpg[/img]

  • 【求助】(已应助)求助SCIENCEDIRECT 文章5篇

    2. Fertilizing value of broiler litter: Effects of drying and pelletizingBioresource Technology, Volume 99, Issue 13, September 2008, Pages 5626-5633M.E. López-Mosquera, F. Cabaleiro, M.J. Sainz, A. López-Fabal, E. Carral 3. Cements obtained from rice hull: Encapsulation of heavy metalsJournal of Hazardous Materials, Volume 154, Issues 1-3, 15 June 2008, Pages 1075-1080Jonatas Silva Romano, Flávio Aparecido Rodrigues 4. Genotypic and environmental variation in chromium, cadmium and lead concentrations in riceEnvironmental Pollution, Volume 153, Issue 2, May 2008, Pages 309-314Fanrong Zeng, Ying Mao, Wangda Cheng, Feibo Wu, Guoping Zhang 5. High levels of heavy metals in rice (Oryza sativa L.) from a typical E-waste recycling area in southeast China and its potential risk to human healthChemosphere, Volume 71, Issue 7, April 2008, Pages 1269-1275Jianjie Fu, Qunfang Zhou, Jiemin Liu, Wei Liu, Thanh Wang, Qinghua Zhang, Guibin Jiang 6. Effects of several amendments on rice growth and uptake of copper and cadmium from a contaminated soilJournal of Environmental Sciences, Volume 20, Issue 4, 2008, Pages 449-455Ping LI, Xingxiang WANG, Taolin ZHANG, Dongmei ZHOU, Yuanqiu HE

  • 【求助】(已应助)求助3个science direct文献

    题目:Spherical microparticles production by supercritical antisolvent precipitation: Interpretation of results来源:The Journal of Supercritical Fluids, Volume 47, Issue 1, November 2008, Pages 70-84E. Reverchon, R. Adami, G. Caputo, I. De Marco http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VMF-4SX3NY7-1&_user=1915929&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_version=1&_urlVersion=0&_userid=1915929&md5=62a34b8a5baaec4760c4c2db3a40b4dd题目:Process parameters and morphology in puerarin, phospholipids and their complex microparticles generation by supercritical antisolvent precipitation来源:International Journal of Pharmaceutics, Volume 359, Issues 1-2, 9 July 2008, Pages 35-45Ying Li, Da-Jian Yang, Shi-Lin Chen, Si-Bao Chen, Albert Sun-Chi Chan http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T7W-4S4JYPX-1&_user=1915929&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000055340&_version=1&_urlVersion=0&_userid=1915929&md5=1c241f0f48540756c5b7fb73c7392abb题目:Jet breakup and droplet formation in near-critical regime of carbon dioxide–dichloromethane system来源:Chemical Engineering Science, Volume 63, Issue 13, July 2008, Pages 3366-3378Lai Yeng Lee, Liang Kuang Lim, Jinsong Hua, Chi-Hwa Wang http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TFK-4S85DNN-1&_user=1915929&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000055340&_version=1&_urlVersion=0&_userid=1915929&md5=7ea0c65bb44716e89255f9b929784f1c

  • 【已应助】Science 1篇

    [color=#ff0000]【序号】: 1【作者】: [color=#000000]RF Pasternack and PJ Collings[/color]【题名】: [color=#000000]Resonance light scattering: a new technique for studying chromophore aggregation[/color]【期刊】: [i][color=#000000]Science[/color][/i]【年、卷、期、起止页码】: [color=#000000]1995 269: 935-939[/color]【全文链接】: [url]http://www.sciencemag.org/cgi/reprint/sci 269/5226/935?maxtoshow=&hits=10&RESULTFORMAT=&title=Resonance+light+scattering&andorexacttitle=and&andorexacttitleabs=or&andorexactfulltext=or&searchid=1&FIRSTINDEX=0&sortspec=relevance&fdate=7/1/1880&tdate=8/31/2010&resourcetype=HWCIT,HWELTR.pdf[/url][/color]

  • 一起欣赏德国波恩樱花大道2

    一起欣赏德国波恩樱花大道2

    [b][color=#cc0000]一起欣赏德国波恩樱花大道2[/color][/b][img=,640,800]https://ng1.17img.cn/bbsfiles/images/2022/04/202204021605430252_3773_1841897_3.jpg!w640x800.jpg[/img]

  • 一起欣赏德国波恩樱花大道3

    一起欣赏德国波恩樱花大道3

    [b][color=#cc0000]一起欣赏德国波恩樱花大道3[img=,640,800]https://ng1.17img.cn/bbsfiles/images/2022/04/202204021606362959_5826_1841897_3.jpg!w640x800.jpg[/img][/color][/b]

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