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[热点] 求调剂288 ioodiiij 2026-04-16 刚刚
[色谱质谱] [已完结]盐酸布比卡因做LC-MS,流动相酸碱性如何选择 (1/758) liangnanas 2014-04-13 2014-04-13 23:27:03 by News
[色谱质谱] [已完结]高效液相色谱为什么要采用梯度洗脱?有什么好处? (4/5656) swh123swk 2014-04-13 2014-04-13 23:24:32 by News
[色谱质谱] [已完结]关于高校液相柱压的问题,求解答 (2/327) swh123swk 2014-04-13 2014-04-13 21:33:57 by wyy080214
[色谱质谱] [已完结]多糖 (0/329) 夏日的风情 2014-04-13 2014-04-13 19:46:32 by 夏日的风情
[色谱质谱] [已完结]求助,求助,雌激素的液相色谱分析前处理 (评阅+2) (0/329) imvinin 2014-04-13 2014-04-13 16:49:27 by imvinin
[色谱质谱] 有人做过氯酚吗 (评阅+1) (0/353) zhoudiandian 2014-04-13 2014-04-13 14:08:42 by zhoudiandian
[色谱质谱] 多糖 (0/211) 夏日的风情 2014-04-13 2014-04-13 11:02:32 by 夏日的风情
[色谱质谱] 丁醛的色谱分析 (4/663) lyw_999 2014-04-11 2014-04-13 10:56:42 by lyw_999
[色谱质谱] [已完结]气相色谱变宽 急!!!!    ( 1 2 ) (13/1764) zlj1989 2014-04-08 2014-04-12 14:38:28 by cty1984
[色谱质谱] [已完结]二肽标准品分子量为226.1和240.1,质谱图中却为276.15和287.69,求分析 (2/1255) 774310797 2014-04-03 2014-04-12 13:56:55 by 774310797
[色谱质谱] [已完结]物质极性很大,HPLC怎么分离    ( 1 2 3 ) (23/4148) liuliancy 2014-04-08 2014-04-12 13:24:45 by liuliancy
[色谱质谱] [已完结]关于HPLC的一些问题,求专业人士帮忙分析一下    ( 1 2 ) (10/1458) 喜马拉雅战士 2014-04-10 2014-04-12 09:41:46 by 喜马拉雅战士
[色谱质谱] [已完结]正相液相色谱柱子 (评阅+1) (1/642) wangjhsl 2014-04-11 2014-04-12 08:28:13 by jingyu-blue
[色谱质谱] [已完结][关贴]关于制备色谱柱 (评阅-5) (2/689) a238886 2014-04-11 2014-04-11 23:53:50 by dfsvdf
[色谱质谱] [已完结]标准气购买 (0/275) jully111 2014-04-11 2014-04-11 16:18:43 by jully111
[色谱质谱] [已完结]HPLC分离 (9/761) 张凯丽.222 2014-03-28 2014-04-11 13:14:20 by 张凯丽.222
[色谱质谱] [已完结]斑点显色 薄层扫描 (评阅+1) (0/343) tinayaoxun 2014-04-11 2014-04-11 11:40:28 by tinayaoxun
[色谱质谱] [已完结]药物活性中间体的质谱裂解规律 (8/1039) 教皇- 2014-04-10 2014-04-11 11:24:36 by 教皇-
[色谱质谱] 气相色谱开机信号强度问题 (0/502) Action医生 2014-04-11 2014-04-11 09:31:00 by Action医生
[色谱质谱] [已完结]ODS色谱柱是否和打孔树脂那种柱子一样呢?ODS用不用填料? (2/721) zhxhxz0116 2014-04-10 2014-04-11 09:10:53 by zhxhxz0116
[色谱质谱] [已完结][关贴]求助气相色谱分离问题 (评阅+2) (1/274) 雨阳凡尘 2014-04-10 2014-04-11 08:30:12 by 雨阳凡尘
[色谱质谱] [已完结]峰延迟且不稳定是怎么回事 (评阅+2) (0/278) bravexiaozhi 2014-04-11 2014-04-11 08:26:15 by bravexiaozhi
[色谱质谱] 【求助】液相色谱柱压升高及出峰时间延长问题    ( 1 2 ) (18/3461) xiaolongxia 2010-10-14 2014-04-11 05:44:41 by bravexiaozhi
[色谱质谱] [已完结]10%硫酸乙醇显色,怎样烘板材不会把板烤糊而显色半点清晰勒 (评阅+2) (0/835) tinayaoxun 2014-04-10 2014-04-10 18:42:06 by tinayaoxun
[色谱质谱] [已完结]急求助 (0/103) heisematou 2014-04-10 2014-04-10 17:21:18 by heisematou
[色谱质谱] [已完结]维生素A乙酸酯和维生素E乙酸酯的吸光系数 (0/1347) lww1988 2014-04-10 2014-04-10 17:06:48 by lww1988
[色谱质谱] [已完结]薄层 (评阅+1) (3/247) tinayaoxun 2014-04-09 2014-04-10 16:51:41 by 鸭绿江畔
[色谱质谱] [已完结]求助,以TEAA为流动相,基线总是不平!!!!!! (评阅+1) (5/1069) 五月的sun 2014-04-10 2014-04-10 16:07:29 by e_liang369
[色谱质谱] [已完结]测醇类选择内标问题 (1/417) air808 2014-04-10 2014-04-10 15:47:34 by lifucheng
[色谱质谱] [已完结]小肽的质谱分析求助! (0/636) wensongsongl 2014-04-10 2014-04-10 15:14:40 by wensongsongl
[色谱质谱] [已完结][关贴]测醇类选择内标问题 (0/287) air808 2014-04-10 2014-04-10 13:39:45 by air808
[色谱质谱] [已完结]硝酸银硅胶柱层析 硝酸银氧化成黑色 还可以用吗 (1/1620) SHI娃Xing阁 2014-04-09 2014-04-10 12:35:06 by 鸭绿江畔
[色谱质谱] [已完结]色谱有杂峰和负峰 (评阅+2) (2/571) buctcoco 2014-04-10 2014-04-10 11:57:07 by xiaoxususy
[色谱质谱] [已完结]气相色谱的内标法中内标物选取问题 (评阅+1) (1/1286) tidy0 2013-08-27 2014-04-10 11:26:45 by 再见_小黄人
[色谱质谱] [已完结]色谱柱相关问题 (5/659) 北藐cdut 2014-04-09 2014-04-10 09:44:12 by 北藐cdut
[色谱质谱] [已完结]求助离子色谱分离糖 (7/1055) maxmahao 2014-03-31 2014-04-09 23:26:00 by wyy080214
[色谱质谱] [已完结]低温UV-vis测试时比色皿表面水汽问题 (评阅+1) (2/230) cc8985438 2014-04-09 2014-04-09 22:12:34 by cc8985438
[色谱质谱] 安捷伦C18反相色谱柱可以反过来用吗?    ( 1 2 3 ) (评阅+1) (27/4844) 15063858828 2014-03-09 2014-04-09 21:37:37 by jocelyn_1112
[色谱质谱] [已完结]翻译 (0/179) beiqianle 2014-04-09 2014-04-09 16:52:45 by beiqianle
[色谱质谱] [已完结]关于色谱柱周期性出峰,基线走不平的问题 (6/1324) wangjianshan 2014-03-21 2014-04-09 15:29:29 by wangjianshan
[色谱质谱] [已完结]【新人求助】做气相色谱分析要准备哪些文献资料 (评阅+1) (7/1616) 夏虫轻鸣 2014-04-06 2014-04-09 14:50:48 by fagui168
[色谱质谱] [已完结]高效液相色谱测碳酸盐 (4/1027) shelley721 2014-04-09 2014-04-09 12:38:01 by qingshui8207
[色谱质谱] [已完结]岛津HPLC,怎么通过色谱峰计算准一级反应速率常数? (3/812) 奋发-言午 2014-04-08 2014-04-09 07:09:32 by userhung
[色谱质谱] [已完结][关贴]求文献《酒石酸和氰基二苯基二氢吡唑的高效液相色谱手性分离》 (1/359) 江南忧忧 2014-04-08 2014-04-08 22:24:04 by wyy080214
[色谱质谱] [已完结]【求助】求助难点分离的液相条件思路 (7/1039) 885511 2014-04-08 2014-04-08 22:06:25 by 885511
[色谱质谱] [已完结]岛津高效液相色谱峰的问题请教! (3/1275) qdzrz123 2014-04-08 2014-04-08 21:41:14 by wyy080214
[色谱质谱] [已完结]明明是纯物质,可是进HPLC后的流出曲线显示有两个峰,这是为什么啊? (7/1837) orange_6 2014-04-08 2014-04-08 18:42:08 by lawlee8558
[色谱质谱] [已完结]关于该公司 -penn pharmaceutical services limited (0/381) xiaochun85 2014-04-08 2014-04-08 15:33:16 by xiaochun85
[色谱质谱] [已完结]目前我想用气相色谱测试纤维中DMAC的溶剂残留 (2/1495) organicc 2014-04-08 2014-04-08 14:32:45 by yuwenhao
[色谱质谱] [已完结][关贴]流动相 对硝基苯乙胺盐酸盐 (0/385) shirleyppy 2014-04-08 2014-04-08 14:13:55 by shirleyppy
[色谱质谱] [已完结]非极性固定相,分离极性物质,流动相极性越弱,三个组分的出峰位置越近还是越远 (7/1612) wanglina 2014-04-07 2014-04-08 13:32:47 by fagui168
[色谱质谱] [已完结]请教一个关于凝胶渗透色谱的问题 (评阅+1) (1/470) lishuai1412 2012-04-26 2014-04-08 13:22:55 by romanlee0717
[色谱质谱] 上海哪些机构、院校有液相色谱-串联高分辨质谱(LC-MS/MS)? (1/1011) sgbscott 2014-03-29 2014-04-08 13:20:55 by frostare
[色谱质谱] [已完结]急求GPC谱图分析! (2/1180) 忆空19873 2013-04-14 2014-04-08 13:19:45 by romanlee0717
[色谱质谱] [已完结]求甲基丙烯酸的气相色谱条件!!! (评阅+1) (0/1000) 文龙华师 2014-04-08 2014-04-08 09:26:53 by 文龙华师
[色谱质谱] [已完结]高效液相色谱求助    ( 1 2 3 ) (24/3104) jeffgo 2014-03-26 2014-04-08 09:07:36 by kf1009
[色谱质谱] [已完结]GC/MS硅烷化处理步骤    ( 1 2 ) (12/3415) snowbaby13 2012-09-21 2014-04-08 01:35:38 by ricst1985
[色谱质谱] [已完结]流动相缓冲溶液的配置 (0/371) yingxia612 2014-04-07 2014-04-07 22:46:41 by yingxia612
[色谱质谱] [已完结]菜鸟求问质谱分析时负离子模式分子量可大于正离子吗? (5/2302) 梦的渐进点 2014-04-07 2014-04-07 21:34:27 by 梦的渐进点
[色谱质谱] [已完结]自制阳离子交换色谱柱出现问题,求助 (0/460) 龙之剑 2014-04-07 2014-04-07 18:24:55 by 龙之剑
[色谱质谱] [已完结][关贴]进完大浓度的样品后,小浓度的样品峰面积变小了,有的甚至没有了,这是怎么回事?    ( 1 2 ) (12/2197) BOSS陈 2014-04-04 2014-04-07 16:50:38 by 亮亮xmlgxy
[色谱质谱] [已完结]请问哪位虫子拆过贝克曼5510毛细管电泳仪? (0/184) congjie-pan 2014-04-07 2014-04-07 15:43:30 by congjie-pan
[色谱质谱] [已完结]安捷伦液相离线工作站 (3/1487) 2011GG 2014-03-14 2014-04-07 13:20:26 by fly_2009
[色谱质谱] 毛细管电色谱分离天然产物活性成分 (1/256) jacksonTang 2014-04-07 2014-04-07 13:17:26 by sjmr1221
[色谱质谱] [已完结]噻呋酰胺在正己烷和石油醚中的溶解度 (评阅+1) (2/770) xuzhide 2014-04-07 2014-04-07 11:28:30 by xuzhide
[色谱质谱] [已完结]功能整理剂成分分析 (2/496) 小不忍 2012-03-26 2014-04-06 19:44:48 by 缭绕余音
[色谱质谱] [已完结]气相色谱应该使用什么色谱柱?相关参数怎样设定? (评阅+2) (3/1113) swplovescf 2014-04-05 2014-04-05 22:34:14 by baixi2009
[色谱质谱] [已完结]气相色谱进空针,还有峰而且特别规律,一个连一个的,老化的时候基线很平 (评阅+1) (2/1014) 蓦然凭栏 2014-04-05 2014-04-05 22:29:32 by baixi2009
[色谱质谱] 【求助】请问苯甲醛和1-苯基-2-硝基乙醇液相分析的条件 (2/429) zy791226 2010-05-26 2014-04-05 12:07:20 by 嘢尒ふ
[色谱质谱] 气相色谱分析中同一种物质的保留时间多次进样分析的过程中为什么不一样? (1/2271) qiong--yang 2014-03-26 2014-04-05 01:21:28 by swh123swk
[色谱质谱] [已完结][关贴]求助 硼替佐米的 高效液相条件 (2/939) mercury370 2014-04-04 2014-04-04 19:43:13 by mercury370
[色谱质谱] [已完结]QTOF二级质谱结构解析 (1/1852) lzk6628 2014-04-04 2014-04-04 16:43:14 by lzk6628
[色谱质谱] [已完结]GC-7900气相色谱仪通入氮气载气,一加电流曲线就跌至-5 (评阅+1) (3/884) Veinov 2014-04-04 2014-04-04 16:38:14 by baixi2009
[色谱质谱] [已完结]请问高分辨质谱硼的分子量? (0/760) xunmeng0011 2014-04-04 2014-04-04 15:10:24 by xunmeng0011
[色谱质谱] [已完结]岛津色谱仪的问题 (2/295) wangjill 2014-04-03 2014-04-04 14:28:41 by wangjill
[色谱质谱] [已完结][关贴]求分析甘油中的可能杂质 (1/1817) liucheng883 2014-04-04 2014-04-04 12:56:16 by lifucheng
[色谱质谱] [已完结]请教液相色谱C18柱能进含有SDS的样品吗 (评阅+1) (3/1043) 洛ye清寒 2014-04-04 2014-04-04 12:52:04 by lifucheng
[色谱质谱] [已完结]SGH-500氢气发生器怎么换水? (1/979) 蓦然凭栏 2014-04-04 2014-04-04 12:05:38 by tanmingxiang
[色谱质谱] [已完结]离子色谱法分析硫酸根 (评阅+1) (9/2229) lmhzy1987 2013-09-09 2014-04-04 07:29:01 by wyy080214
[色谱质谱] 气相 (8/648) shaopeng 2014-04-01 2014-04-03 21:57:06 by 海边的鹰
[色谱质谱] [已完结][关贴]4,4'-二氯-3,3'-二硝基二苯甲酮的高效液相色谱检测条件的寻找 (7/848) 无敌二货 2014-04-01 2014-04-03 17:11:44 by 无敌二货
[色谱质谱] 推荐个QQ群关于色谱质谱的 (0/212) xiaoxususy 2014-04-03 2014-04-03 13:10:22 by xiaoxususy
[色谱质谱] [已完结]用气质联用仪测定有机组分,样品怎么预处理。求助。 (评阅+1) (5/1797) xuefeng0553 2014-04-02 2014-04-03 12:32:48 by xuefeng0553
[色谱质谱] [已完结]求色谱HW-2000的软件 (0/672) liuencui 2014-04-03 2014-04-03 10:32:02 by liuencui
[色谱质谱] [已完结]圆二色谱关于绝对构型的计算 (1/1069) 山石岩 2014-03-28 2014-04-03 09:39:29 by 背城借一
[色谱质谱] [已完结]中药材挥发油检测中出现了八甲基环四硅氧烷成分峰,怎么回事? (评阅+1) (1/741) cbscui 2014-04-03 2014-04-03 08:58:16 by wyy080214
[色谱质谱] HPLC谱峰有点拖尾和分不开(有机酸) (1/552) claireyyy 2014-04-02 2014-04-02 23:14:47 by claireyyy
[色谱质谱] [关贴]关于气相色谱,溶剂不同会导致物质的出峰时间不同吗??其他条件一样。 (11/3374) whjsd1566 2014-03-14 2014-04-02 20:58:18 by whjsd1566
[色谱质谱] [已完结]柱层析在洗脱过程中有如图所示情况出现 (0/652) xiaoniu0312 2014-04-02 2014-04-02 20:19:29 by xiaoniu0312
[色谱质谱] [已完结]求助:气质联用谱图分析 (5/2522) wuyuan1986 2012-05-11 2014-04-02 14:18:10 by wuyuan1986
[色谱质谱] [已完结]HPLC基线漂移的问题    ( 1 2 ) (18/2790) 喜马拉雅战士 2014-03-27 2014-04-02 10:00:52 by 喜马拉雅战士
[色谱质谱] [已完结]极性较小且性质相似的物质该如何液相分离? (评阅+1) (7/2961) sujie0309 2013-12-06 2014-04-02 08:51:20 by 雨中漫漫行
[色谱质谱] 离子色谱相关知识 (评阅+1) (7/945) yaoyaotu56 2013-09-04 2014-04-02 08:07:46 by maxmahao
[色谱质谱] [已完结]硅胶柱保存 还有水 是否还有挽救的方法? (评阅+1) (6/1335) 独来独往000 2014-04-01 2014-04-01 23:54:14 by 沙伯略
[色谱质谱] [已完结]请问几何顺反异构体的折光率是一个值嘛?用液相示差检测器能检测到几个峰啊 (评阅+1) (0/377) 小囡囡侦 2014-04-01 2014-04-01 21:39:16 by 小囡囡侦
[色谱质谱] [已完结][关贴]哪位大神帮我看看这个质谱图是不是这个分子的质谱图 (2/413) 萧萧征晴 2014-04-01 2014-04-01 21:31:15 by 开始看世界
[色谱质谱] [已完结]求助 HPLC waters 2695 运行样品压力会突然下降 求助 (评阅+2) (2/1567) qingdaoiocas 2014-04-01 2014-04-01 21:18:18 by wyy080214
[色谱质谱] [已完结]HPLIC-MS (3/541) 很冷 2014-03-28 2014-04-01 20:59:27 by wyy080214
[色谱质谱] 显色剂的选择 (评阅+1) (0/267) 海若笑 2014-04-01 2014-04-01 16:53:01 by 海若笑
[色谱质谱] [已完结]求大神科普啊 (7/1093) 方园园1207 2014-03-27 2014-04-01 15:17:41 by 方园园1207
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