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[热点] 国社科系统bug了,是不是要放榜了? kynobel 2026-09-19 刚刚
[色谱质谱] [已完结]HPLC不出峰?或峰型不好,出峰时间有问题? (0/1810) shenbaode 2014-07-04 2014-07-04 20:40:07 by shenbaode
[色谱质谱] [已完结]请教化妆品中BHA检测问题 (0/623) kittyzd 2014-07-04 2014-07-04 20:12:30 by kittyzd
[色谱质谱] [已完结]用氩气做载气可以分开氮气和氧气吗 (3/2269) 楚一25 2014-06-27 2014-07-04 16:52:19 by haxn
[色谱质谱] [已完结][关贴]梯度洗脱如何去除色谱峰中溶剂峰,改善分离,求各位大侠支招!! (8/2504) hed0411 2014-06-18 2014-07-04 15:19:31 by hed0411
[色谱质谱] [已完结]求助 (3/377) qizhi145822 2014-07-03 2014-07-04 12:50:15 by yzmzqwr
[色谱质谱] [已完结]ELSD的出峰和灵敏度问题 (0/1408) 变质 2014-07-03 2014-07-03 22:17:14 by 变质
[色谱质谱] [已完结]求助,怎么看质谱图 (3/1420) basai2004 2014-06-18 2014-07-03 19:10:16 by 笨笨小
[色谱质谱] [关贴]请问下有人用过ELSD检测器分析醛类物质没? (12/2287) mln2007 2012-07-31 2014-07-03 19:04:34 by 变质
[色谱质谱] [已完结]原材料少,要做GC,怎么办? (1/238) usermxy 2014-07-03 2014-07-03 16:18:12 by 亮亮xmlgxy
[色谱质谱] [已完结][关贴]甲磺隆原药分析 (0/354) 不一未然 2014-07-03 2014-07-03 15:02:21 by 不一未然
[色谱质谱] 购买一台高分辨质谱 (8/1278) fuh170 2014-07-01 2014-07-03 14:10:30 by yanghuan1987
[色谱质谱] [已完结][关贴]GCMS如果柱子不一样的话,同一批待测样是否会出现出峰顺序不一致的情况? (2/1057) 冥思苦想 2014-07-03 2014-07-03 12:58:32 by 亮亮xmlgxy
[色谱质谱] [已完结]上海周边哪里有自动收集的制备/半制备液相 (1/368) hongying1990 2014-07-03 2014-07-03 09:57:15 by jjf139
[色谱质谱] [已完结]岛津液相出峰时间变化 (0/539) keke520 2014-07-03 2014-07-03 09:12:11 by keke520
[色谱质谱] [关贴]急急:气相手性色谱柱 (9/2141) yangfen1005 2012-09-13 2014-07-02 21:39:54 by resalat61
[色谱质谱] [已完结]如何去除HPLC中残留的SDS? (1/1014) lanlan1119 2014-07-02 2014-07-02 19:42:30 by axearmy
[色谱质谱] [已完结]50%甲醇稀释的标品过膜用有机系还是水系? (3/958) a皑雪c 2014-06-30 2014-07-02 16:27:11 by 一个人的荒岛
[色谱质谱] [已完结]【求助】内标法和外标法的选择,求大神虫友给些意见! (0/707) miaomiao66 2014-07-02 2014-07-02 14:37:00 by miaomiao66
[色谱质谱] 液相中什么是void volume(空隙体积)? (1/4545) ammingzhi 2012-03-13 2014-07-02 11:00:53 by magaoxing
[色谱质谱] LC-MS对照品问题 (9/1032) SLL1122 2014-07-01 2014-07-02 09:24:09 by jinianwei
[色谱质谱] [已完结]固相萃取之后,用液相测出图不好,请各位给看看是怎么回事啊 (7/1661) 怡苒 2014-05-17 2014-07-01 18:15:30 by 求知者001
[色谱质谱] [已完结]请教:前处理方法可以用于食品中人工合成着色剂检测吗? (3/700) hyhfeying 2011-10-10 2014-07-01 18:11:10 by langzhang
[色谱质谱] [已完结]固相微萃取求助! (2/575) 油菜小农 2013-03-23 2014-07-01 16:52:47 by hzauxql
[色谱质谱] [已完结]关于达西公式 液相色谱整体柱与填充柱渗透性对比问题 求助 (1/707) 夏潇雨 2014-06-13 2014-07-01 11:33:13 by 阿龙1989
[色谱质谱] 国内做毛细管整体柱研究比较给力的课题组有哪些呀? (0/324) 阿龙1989 2014-07-01 2014-07-01 11:10:54 by 阿龙1989
[色谱质谱] [已完结]岛津顶空出峰诡异 (评阅+1) (1/453) li1634 2014-07-01 2014-07-01 01:22:00 by li1634
[色谱质谱] [已完结]各位大神,请问如何用气相色谱检测高浓度的SF6气体啊?比如10%,20%这样浓度的 (评阅+1) (0/217) xhy533 2014-06-30 2014-06-30 17:33:54 by xhy533
[色谱质谱] [已完结]外标法定量的问题 (9/2370) l187071860 2014-06-16 2014-06-30 16:48:11 by zhangguiqi
[色谱质谱] [已完结]方法空白与仪器空白的区别 (2/3377) 小小的人生 2014-06-30 2014-06-30 14:46:27 by 亮亮xmlgxy
[色谱质谱] [已完结]气相色谱输出信号150多,这是什么原因?    ( 1 2 ) (评阅+1) (12/2444) 漫步云端2011 2014-06-24 2014-06-30 12:59:08 by 漫步云端2011
[色谱质谱] 【专题】植物油做GC-MS (3/647) xiaohaiyi 2011-02-06 2014-06-30 06:40:21 by 080711220
[色谱质谱] [已完结]UPLC/3QMS 检测样品时,保留时间延后原因? (1/503) 四两 2014-06-29 2014-06-29 23:15:55 by 四两
[色谱质谱] 高效液相求一梯度设计    ( 1 2 ) 15 (18/2657) 200782060 2014-06-26 2014-06-29 21:24:50 by ximenbao
[色谱质谱] [已完结]液相色谱分析过程中炉子自动停止解热--朋友请进 (7/1184) benmao_mogu 2014-06-26 2014-06-29 17:50:56 by benmao_mogu
[色谱质谱] [已完结]GC-MS检出限问题 (3/1246) senwy886 2014-06-28 2014-06-29 10:49:28 by 鸭绿江畔
[色谱质谱] [已完结][关贴]打核磁最少用量。 (2/1999) 半仙庸医 2014-06-28 2014-06-29 08:46:19 by cjzhu
[色谱质谱] 第一次接手GC/MS,请教个基本问题 (12/922) wit2009 2014-06-28 2014-06-28 22:04:03 by changle9139
[色谱质谱] 为什么不用液相色谱法检测苯乙烯中聚阻剂(TBC)含量? (0/900) lillx2012 2014-06-28 2014-06-28 16:01:01 by lillx2012
[色谱质谱] [已完结]液相的流动相中,各种盐相,起什么作用,如何确定?有机相气什么作用?谢谢前辈!    ( 1 2 ) (评阅+1) (10/2757) 19891231an 2012-09-21 2014-06-28 12:29:00 by 20130622haha
[色谱质谱] [已完结]气相色谱,进样后按开始键的快慢有什么影响呢?    ( 1 2 ) (11/2222) ethene 2014-06-25 2014-06-28 11:09:28 by diweifenxi
[色谱质谱] [已完结]基线不齐 (1/369) fang2010 2014-06-27 2014-06-27 16:15:11 by e_liang369
[色谱质谱] [已完结]气相色谱进样 峰会自己变化 (6/1031) KING~牧歌 2014-05-14 2014-06-27 14:35:40 by KING~牧歌
[色谱质谱] [已完结]关于邻羟基査尔酮与黄烷酮出峰的先后问题 (5/642) 风雨—无忌 2014-05-27 2014-06-27 12:07:15 by 风雨—无忌
[色谱质谱] 北京哪家实验室有RTX-5Amine气相色谱柱,我这边有几个样需要分析 (0/667) zyjianli 2014-06-27 2014-06-27 11:31:45 by zyjianli
[色谱质谱] [已完结]HPLC 柱效变差 (4/930) lavender_12 2014-06-26 2014-06-27 09:59:18 by biotech_zhou
[色谱质谱] [已完结]C18柱还有分类么?    ( 1 2 ) (14/2115) sunrui4747 2014-06-19 2014-06-27 09:56:47 by biotech_zhou
[色谱质谱] [已完结]质谱调谐时纯溶剂进样出大量杂峰是怎么回事? (4/2364) Quet1125 2014-06-26 2014-06-27 09:45:09 by jjf139
[色谱质谱] [已完结][关贴]LC-MS样品分析中样品有机相不超过多少    ( 1 2 ) (10/2949) chenct002 2014-06-23 2014-06-27 07:52:28 by ccoy0357
[色谱质谱] [已完结]谱图中的倒峰 (4/999) 七月注定 2014-06-24 2014-06-26 20:05:30 by 七月注定
[色谱质谱] [已完结]质谱分析 (评阅+2) (3/425) nico媛 2014-06-25 2014-06-26 16:38:53 by jjf139
[色谱质谱] 【求助】质谱定量分析气体的方法 (3/1140) ren911 2010-03-04 2014-06-26 14:10:06 by 百战大侠
[色谱质谱] 【讨论】液相梯度洗脱时的基线峰问题    ( 1 2 3 ) (28/4444) akosrios 2009-12-23 2014-06-26 12:48:20 by 青木瓜之味
[色谱质谱] [已完结]关于Varian CP3800的问题 (3/1033) silentocean 2014-06-20 2014-06-26 11:06:32 by silentocean
[色谱质谱] [已完结]氢离子饱和的阳离子交换树脂 (评阅+1) (1/565) chentingyu19 2014-06-25 2014-06-26 09:07:08 by 轩辕义
[色谱质谱] [已完结]想打气相色谱,但溶液溶有三氯化铁,怎么办? (8/1176) wtstrong2378 2014-06-24 2014-06-25 23:32:11 by wtstrong2378
[色谱质谱] [已完结]岛津GC—2014峰面积重复性很差 (评阅+1) (2/1101) zhongchao7366 2014-06-25 2014-06-25 21:52:24 by zhongchao7366
[色谱质谱] [已完结]求助安捷伦7890 (4/1299) tianlb 2014-06-25 2014-06-25 21:20:04 by bshdpjj
[色谱质谱] 有没有像我这样的情况?    ( 1 2 ) (17/2078) junechem 2014-06-19 2014-06-25 16:58:51 by 肿的猫
[色谱质谱] [已完结]液相色谱峰宽和延迟,有些分叉怎么办?    ( 1 2 ) (评阅+1) (11/3841) 拼命三郎888 2012-11-08 2014-06-25 16:34:25 by 青木瓜之味
[色谱质谱] [已完结]制备液相 (0/349) 半仙庸医 2014-06-25 2014-06-25 16:29:07 by 半仙庸医
[色谱质谱] [已完结][关贴]求助:气象色谱法测定废水中的氯化苄 (评阅+1) (2/431) zmeng0_0 2014-06-25 2014-06-25 14:28:39 by jjf139
[色谱质谱] [已完结]根据质谱图推断有机物结构式,求大神相助!! (1/1195) 筱鹫712 2014-06-25 2014-06-25 14:02:19 by wy19871124
[色谱质谱] [已完结]液相泵压高 (2/1135) 文心-雕龙 2014-06-24 2014-06-25 13:01:17 by 文心-雕龙
[色谱质谱] [已完结]质谱图解谱 (2/932) jswcool 2014-06-24 2014-06-25 10:57:20 by jswcool
[色谱质谱] [已完结]液相有机相超声    ( 1 2 ) (评阅+1) (14/3926) lbyone 2012-07-01 2014-06-25 10:29:56 by 李紫欣云
[色谱质谱] 液相色谱的柱效问题 (评阅+1) (2/638) dicplshj 2012-09-07 2014-06-25 07:11:44 by 不懂-问问
[色谱质谱] [已完结]关于色谱的问题 (0/370) samjut 2014-06-24 2014-06-24 23:55:26 by samjut
[色谱质谱] [已完结]高效液相问题 (3/652) 晓满88 2014-06-24 2014-06-24 23:14:35 by 伊若兰芷
[色谱质谱] [已完结]气相色谱分析过程中基线不稳 (9/2384) 梧桐宇 2011-08-09 2014-06-24 20:16:23 by lancelot0411
[色谱质谱] [已完结]离子对试剂的该怎么加    ( 1 2 ) (10/2705) wuto 2014-06-18 2014-06-24 18:49:27 by 飞翔的石头
[色谱质谱] [已完结]质谱怎么消除加氨根离子 (4/2531) 五虎少帅 2014-05-23 2014-06-24 16:43:10 by bmit615
[色谱质谱] [已完结]碳酸二甲酯的检测 (评阅+1) (0/1565) cech827 2014-06-24 2014-06-24 15:54:14 by cech827
[色谱质谱] [已完结]不含杂原子的化合物怎么测质谱啊!联苯类化合物质谱。 (4/1237) zhongguohong 2014-06-20 2014-06-24 12:35:44 by chihaijun
[色谱质谱] 为什么HPLC方法建立的文章不提及方法是如何优化出来的?    ( 1 2 3 ) (20/2005) 夏天的枫 2014-06-19 2014-06-24 08:39:08 by zhangh62
[色谱质谱] 气相色谱分析糠醛废水中乙酸含量    ( 1 2 ) (11/1905) 学术论坛8807 2014-06-19 2014-06-23 22:36:49 by chuansen
[色谱质谱] 【求助】关于质谱区分同分异构体 (8/6661) chqihu1009 2010-08-25 2014-06-23 17:07:00 by yuanjijoy
[色谱质谱] [已完结]关于蒸发光检测器测大分子的分子量 (评阅+1) (0/736) 疯人王 2014-06-23 2014-06-23 17:03:53 by 疯人王
[色谱质谱] [已完结]求助:cas:110683-23-3的HPLC分析方法 (评阅+2) (0/248) ljw343997333 2014-06-23 2014-06-23 15:43:55 by ljw343997333
[色谱质谱] [已完结]液相安捷仑保留时间不重合。 (5/1218) chensongtao 2014-06-20 2014-06-23 11:09:00 by daisyzhangwei
[色谱质谱] [已完结]请问酰氯类化合物可以进液相色谱分析吗 (0/1427) yinggdy 2014-06-23 2014-06-23 10:42:03 by yinggdy
[色谱质谱] [已完结]shear scission (1/245) zhangwei1314 2014-06-23 2014-06-23 09:14:32 by zhangwei1314
[色谱质谱] [已完结]求助四氯苯酚同分异构体的液相分离 (评阅+1) (6/1478) windysky1017 2014-06-17 2014-06-23 08:41:52 by windysky1017
[色谱质谱] [已完结]CAS:50-41-9用HPLC检测,方法有哪位大神做过的 (3/586) 苏雪苍狼 2014-06-19 2014-06-23 08:35:22 by 一个人的荒岛
[色谱质谱] [已完结]液相色谱中以前一个峰现在怎么变成两个峰了?    ( 1 2 ) (评阅+1) (15/2847) 何智敏 2013-01-11 2014-06-22 20:54:47 by wuto
[色谱质谱] [已完结]帮我画一下这个吧 质谱二级    ( 1 2 ) (10/1155) 梦的渐进点 2014-06-20 2014-06-22 20:48:44 by bobo110417
[色谱质谱] [已完结]内标 (评阅+1) (6/1107) chentingyu19 2014-06-17 2014-06-21 15:36:45 by chentingyu19
[色谱质谱] [已完结]液相外标法结果比归一化法高,这是什么情况? (4/1523) 素洁0309 2014-06-18 2014-06-21 11:27:22 by axearmy
[色谱质谱] [关贴]7890A HP-5跑666ddt标样的问题 (9/1941) 大牛12345 2014-06-19 2014-06-21 11:01:24 by axearmy
[色谱质谱] [已完结]制冷剂混合物色谱分析结果重复性差! (0/320) windyhxz 2014-06-21 2014-06-21 10:22:00 by windyhxz
[色谱质谱] [已完结]求助下二氧硼烷的LC-MS的分析,最好提供下液相条件 (0/245) mnbbv123 2014-06-21 2014-06-21 09:32:51 by mnbbv123
[色谱质谱] [已完结]为什么相同浓度的物质液相色谱的响应值不同? (2/3088) bl1983 2014-06-20 2014-06-20 19:27:07 by xinxin6643
[色谱质谱] [已完结]质谱中出现除了目标产物M的峰,还有2M的峰 (1/1878) 猛虎125 2014-06-20 2014-06-20 19:21:39 by xinxin6643
[色谱质谱] [已完结]LOD和LOQ的获得 (1/690) 蓬莱殿 2014-06-20 2014-06-20 11:04:16 by lancelot0411
[色谱质谱] 请教质谱参数的设定问题 (2/1745) IC-MUMU 2014-06-13 2014-06-20 09:52:33 by IC-MUMU
[色谱质谱] 【求助】样品测定 柱子出峰问题。怎么解决? (1/295) yangxicshe 2011-03-27 2014-06-20 06:09:13 by 人痴我狂
[色谱质谱] [已完结]HPLC分离LogP值差别很大的几种化合物,如何选柱子 (0/517) 虫末末 2014-06-19 2014-06-19 22:42:25 by 虫末末
[色谱质谱] [已完结]请教一个关于气相色谱分析的问题 (评阅+1) (8/1925) 天涯zhlzlg 2014-06-18 2014-06-19 21:38:20 by 中国药剂人
[色谱质谱] [已完结]气相色谱仪 HP6890的数据分析工作站 怎么手动积分 (1/1330) 蹲墙角free 2014-06-19 2014-06-19 20:23:47 by baixi2009
[色谱质谱] [已完结]关于气象色谱检测信号强度 问题 (5/1131) 拼搏昆 2014-06-18 2014-06-19 13:45:01 by lancelot0411
[色谱质谱] 甘露醇,1,2-丙二醇,乙二醇,苏糖醇这几种物质HPLC怎么定量分析呢。    ( 1 2 ) (10/1981) 公子小乔 2014-06-15 2014-06-19 13:04:55 by fangx
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