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[热点] 今天系统多次维护，明天很可能放榜！ zju2000 2026-08-21 刚刚
[色谱质谱] [已完结]欧洲对食品添加剂中磷酸盐限量OR只对多聚磷酸盐限量？ (评阅+1) (0/724) bian416 2012-05-25 2012-05-25 09:43:13 by bian416
[色谱质谱] [已完结]请问除线磷打HPLC，用C18柱，应该用什么样的流动相，具体比例如何确定 (评阅+1) (6/1422) caijunlee 2012-05-21 2012-05-25 09:22:55 by caijunlee
[色谱质谱] [已完结]求助 SHIMADZU and JASCO 的用户手册或者维护手册(英文版) (2/510) hongyan0606 2012-04-10 2012-05-25 09:20:01 by nkhwrb
[色谱质谱] 大家看这样的标准曲线可以吗？ (评阅+1) (8/3237) 静默听风起 2012-05-23 2012-05-25 09:16:58 by yugijiang
[色谱质谱] 关于色谱定量分析时的标准曲线    ( 1 2 ) (12/2400) zhenhans 2011-08-20 2012-05-25 08:30:39 by xbqewpq
[色谱质谱] 【求助】winnonlin的价格 (2/1906) ybq103 2010-10-02 2012-05-25 07:50:26 by ljw101708
[色谱质谱] 请问大家的标准曲线是怎么做的 (7/2520) yangfei7211 2011-08-13 2012-05-25 06:22:46 by yugijiang
[色谱质谱] [已完结]内标法做标准曲线 求助 (1/674) sj2164062 2012-05-24 2012-05-24 22:14:21 by xbqewpq
[色谱质谱] [已完结][关贴]我这个温度高吗？ (3/396) rainbow_zyt 2012-05-24 2012-05-24 21:21:46 by lifucheng
[色谱质谱] [已完结]求各位帮忙解下质谱 多肽质谱图上的298 让我们老师也很困扰 (评阅+1) (4/1469) duanxiang402 2012-05-23 2012-05-24 20:46:26 by duanxiang402
[色谱质谱] [已完结][关贴]【求助】关于内标法的做标准曲线    ( 1 2 ) (12/5911) xiaoruan 2011-11-09 2012-05-24 19:18:14 by sj2164062
[色谱质谱] 顶空条件中定量环温度和传输管线温度的影响 (4/3724) lvmin521 2012-05-22 2012-05-24 18:44:18 by 575885323
[色谱质谱] [已完结]HPLC手动进样能进两次吗？    ( 1 2 3 ) (27/2410) muxiachuixue 2011-09-13 2012-05-24 18:34:23 by yugijiang
[色谱质谱] 【求助】HPLC的进样量问题 (9/2456) guoyayun40 2011-02-23 2012-05-24 18:30:31 by yugijiang
[色谱质谱] [已完结]HPLC定量问题－很奇怪    ( 1 2 3 ) (评阅+1) (24/2500) annietop 2012-01-19 2012-05-24 18:22:48 by yugijiang
[色谱质谱] [已完结]环境样品waters HPLC 进样时总是堵，有什么办法处理样品吗？ (评阅+1) (2/319) 唯一的西城 2012-05-24 2012-05-24 16:11:12 by wddmq
[色谱质谱] [已完结]氯离子对离子色谱的影响 (1/673) xiaoze419 2012-05-24 2012-05-24 12:46:17 by xiaoze419
[色谱质谱] [已完结]液相用乙腈做梯度出现密集上下波动峰 (评阅+1) (6/1591) 叶儿5198 2012-05-22 2012-05-24 12:26:25 by zqxc29401
[色谱质谱] [已完结]1.3-丁二烯气谱分析 (评阅+1) (2/570) a1042461638 2012-05-20 2012-05-24 10:44:54 by 樱花_雨
[色谱质谱] 氯化钠在210nm处在1.5min出峰 (评阅+1) (3/2083) neverg 2012-05-22 2012-05-24 10:32:40 by suryliu
[色谱质谱] 气相色谱GC-450，信号响应值翻倍 (3/1421) 2010平凡的人 2012-05-23 2012-05-24 10:18:31 by 2010平凡的人
[色谱质谱] [已完结]液相色谱的安装条件要求，特别是环境要求 (5/1909) 春燕 2012-05-22 2012-05-24 08:33:01 by suryliu
[色谱质谱] [已完结]薄层层析使用后的硅胶g可不可以回收？怎样回收？ (0/305) pzno11987 2012-05-23 2012-05-23 20:04:32 by pzno11987
[色谱质谱] [已完结][关贴]高效液相+磷酸buffer+没有压力/异常 (5/922) fffflower 2012-05-23 2012-05-23 18:56:13 by fffflower
[色谱质谱] [已完结]求助液相色谱梯度基线问题    ( 1 2 ) (12/2386) ladyyuyu 2012-05-21 2012-05-23 16:37:44 by lei206yan
[色谱质谱] [已完结]求助 液相色谱测苯酚 (评阅+1) (2/1599) zhangjuan10 2012-05-22 2012-05-23 16:30:17 by zhangjuan10
[色谱质谱] [已完结]待测组分对于内标物的相对质量校正因子 (3/1075) xuelin1987 2012-05-23 2012-05-23 14:25:12 by proxyz
[色谱质谱] [已完结]色谱峰 (4/499) ladyyuyu 2012-05-23 2012-05-23 14:19:53 by xbqewpq
[色谱质谱] 正十二硫醇色谱测定 (0/328) fude007 2012-05-23 2012-05-23 11:21:26 by fude007
[色谱质谱] [已完结]液相色谱峰面积 (5/1923) jiangyu805 2012-04-26 2012-05-23 10:29:36 by zhilinyoung
[色谱质谱] [已完结]氦气和氮气 (7/1572) 小可爱9389 2012-05-17 2012-05-23 09:27:57 by proxyz
[色谱质谱] [已完结]怎样出去豆浆中的蛋白质？ (评阅+1) (7/1453) wangxiuhong 2012-05-21 2012-05-23 08:26:00 by platto
[色谱质谱] 【求助】请教液相色谱分离度与进样浓度的关系 (9/2949) jiangjiang9586 2011-03-02 2012-05-23 07:42:52 by yugijiang
[色谱质谱] 【求助】药物在液相中的峰面积和检出限均出现问题，该怎么办，大家帮忙分析一下 (6/1849) wanghj828 2010-08-03 2012-05-23 07:01:50 by yugijiang
[色谱质谱] [已完结]基线问题 (6/581) ladyyuyu 2012-05-22 2012-05-22 23:14:08 by zxz.1982
[色谱质谱] [已完结]色素的母离子和子离子。。。急用 (2/666) xingtaisunna 2012-05-22 2012-05-22 23:09:28 by zxz.1982
[色谱质谱] [已完结]求贝里斯-希尔曼反应的目标合成产物的液相条件及外消旋制备 (评阅+1) (0/390) baobaosnow 2012-05-22 2012-05-22 22:43:32 by baobaosnow
[色谱质谱] [已完结][关贴]跪求岛津GC-18A操作指导 (评阅-1) (0/209) stevery_2004 2012-05-22 2012-05-22 18:02:02 by stevery_2004
[色谱质谱] [已完结]氯乙烯检测 (0/2029) baiping 2012-05-22 2012-05-22 16:10:04 by baiping
[色谱质谱] HPLC-ELSD (评阅+1) (5/920) xiaoshao051 2012-05-21 2012-05-22 16:01:59 by leywi
[色谱质谱] [已完结]基线是负值 (2/1996) lcy56080861 2012-05-21 2012-05-22 13:54:56 by lcy56080861
[色谱质谱] [已完结]向用过液相质谱的朋友求助 (评阅+1) (3/748) 飞鼠007 2012-05-22 2012-05-22 11:56:33 by yuwenhao
[色谱质谱] [已完结]请问用气相色谱如何分析面团中的丙二醇残留量？ (评阅+1) (2/286) onion1002 2012-05-22 2012-05-22 11:30:33 by wddmq
[色谱质谱] [已完结]有哪位大侠采用HPLC分析过离子液体中N-甲基咪唑的含量 (1/271) nieyh 2012-05-22 2012-05-22 11:00:08 by nieyh
[色谱质谱] [已完结]岛津GC-14C气相工作站Clartiy升级问题 (0/429) bmc1984123 2012-05-22 2012-05-22 08:42:40 by bmc1984123
[色谱质谱] [已完结]选择母离子与子离子求助 (评阅+1) (5/5815) yuansunshine 2012-05-17 2012-05-22 08:29:51 by 85773627
[色谱质谱] [已完结]怎样做空白加料回收试验 (0/204) xiaobolala 2012-05-22 2012-05-22 08:04:25 by xiaobolala
[色谱质谱] 【求助】这算什么异构体呢 (5/475) helloniu 2010-09-17 2012-05-22 08:03:19 by 催化的哈士奇
[色谱质谱] [已完结][关贴]HPLC测有机酸，求条件 (3/2145) ccyw 2012-05-21 2012-05-21 21:24:29 by lifucheng
[色谱质谱] 【求助】请教一个质谱仪操作的问题    ( 1 2 ) (14/2801) annljan 2010-07-01 2012-05-21 19:53:31 by 1466822597
[色谱质谱] [已完结]求質譜解析 (评阅+1) (ACI+1)(8/1167) ghost133 2012-05-21 2012-05-21 19:33:31 by ghost133
[色谱质谱] [已完结][关贴]请问北京哪里可以做 Py-GC-MS 呢？ 急求！！！谢谢 (6/647) shawpion 2012-05-20 2012-05-21 18:39:26 by zxz.1982
[色谱质谱] [已完结][关贴]保留时间与文献不符    ( 1 2 ) (评阅+1) (12/815) lcy56080861 2012-05-20 2012-05-21 18:06:30 by hanyxin
[色谱质谱] [已完结]请教，甲基化和甲酯化有什么区别 (5/2677) lonq1988 2012-03-17 2012-05-21 17:51:47 by iriver595t
[色谱质谱] [已完结]四个苯酚类似物的质谱裂解过程 (0/873) longyan321 2012-05-21 2012-05-21 17:05:19 by longyan321
[色谱质谱] [已完结]流动相漂移    ( 1 2 3 ) (21/1308) lcy56080861 2012-05-19 2012-05-21 17:03:06 by ansonal
[色谱质谱] [已完结]气质联用怕水么，是不是不能有水进去， (2/2513) hta188 2012-05-21 2012-05-21 15:22:01 by sjzhang156
[色谱质谱] 关于梯度洗脱的疑问 (5/863) disil 2012-05-21 2012-05-21 13:20:52 by houpenggang
[色谱质谱] 【求助】请教一下质谱问题 (9/1735) superwheat 2011-03-23 2012-05-21 13:09:21 by WN-farseer
[色谱质谱] 请问质谱为什么要挑着打？这样科学吗？ (6/1310) ht2yjfx 2012-05-18 2012-05-21 11:15:39 by ht2yjfx
[色谱质谱] [已完结]聚合物整体柱合成及固相萃取应用研究 (0/204) LV2993 2012-05-21 2012-05-21 09:46:51 by LV2993
[色谱质谱] [已完结]hplc基线漂移 (3/683) lcy56080861 2012-05-19 2012-05-21 08:23:11 by 痴夷子皮
[色谱质谱] [已完结]气相色谱出峰问题，这到底是一个峰还是两个峰    ( 1 2 ) (13/3539) yj030101294 2011-12-17 2012-05-21 07:10:22 by tydyqq007
[色谱质谱] 【求助】问几个液相问题。。。请大家帮助下。。。 (7/1464) magicalkl 2010-04-27 2012-05-21 06:18:02 by cindyccy1989
[色谱质谱] [已完结]求助：石英小瓶 (2/446) 紫风清莹 2012-05-16 2012-05-20 21:02:25 by 紫风清莹
[色谱质谱] [已完结]色质联用保留时间推迟 (4/486) 潇湘竹k 2012-05-18 2012-05-20 12:47:42 by 潇湘竹k
[色谱质谱] [已完结]GC (评阅+1) (2/257) itysunshine 2012-05-19 2012-05-19 18:44:14 by itysunshine
[色谱质谱] [已完结]求解答：Agilent 1100 HPLC是否对进样溶液的PH有要求？ (7/1186) aloner001 2011-05-13 2012-05-19 05:59:29 by yugijiang
[色谱质谱] [已完结][关贴]含硝基精氨酸的物质怎么走hplc？ (2/362) sunguijiebks 2012-05-15 2012-05-18 22:41:23 by sunguijiebks
[色谱质谱] [已完结]ATD-GC/MS分析半挥发性有机物 (评阅+1) (0/420) memory1208 2012-05-18 2012-05-18 14:32:20 by memory1208
[色谱质谱] [已完结]Q-tof 图谱分析 光解产物分析 (评阅+1) (3/944) wsy2009 2012-05-18 2012-05-18 12:46:41 by wsy2009
[色谱质谱] [已完结]为什么丙酮质谱图中同位素分子离子m/z丰度比可以判断出各自含有的碳原子数目呢？ (2/2588) olifor2010 2012-05-10 2012-05-18 08:49:13 by olifor2010
[色谱质谱] [已完结]ICP新手求助    ( 1 2 ) (15/693) hijianfeng 2012-05-16 2012-05-18 08:27:32 by leemap
[色谱质谱] 【求助】关于气相色谱中的一个问题，困扰我很久啦。。    ( 1 2 3 ) (21/2985) yxy8701 2010-04-30 2012-05-18 06:23:38 by 水果布丁ouc
[色谱质谱] [已完结]苯磺酸盐HPLC出峰问题    ( 1 2 ) (14/2640) 布丁3835 2011-06-03 2012-05-18 05:03:12 by anshelly
[色谱质谱] [已完结]液相色谱分析结果比理论值偏大 (4/977) 炼金术士2010 2012-05-17 2012-05-17 15:01:19 by 痴夷子皮
[色谱质谱] [已完结]关于thermo TSQ三重四极杆的使用问题 (2/371) zzuzk 2012-05-17 2012-05-17 14:58:36 by zzuzk
[色谱质谱] [已完结]求助质谱分析，谢谢虫友    ( 1 2 ) (评阅+1) (16/1978) xulili 2012-05-16 2012-05-17 13:52:09 by xulili
[色谱质谱] [已完结]离子色谱测试求推荐 (评阅+1) (4/815) sjj3538 2012-04-22 2012-05-17 11:18:09 by ZZWN
[色谱质谱] [已完结]关于液相色谱柱 (3/1815) bl1983 2012-05-17 2012-05-17 11:09:56 by xxaijwd
[色谱质谱] [已完结]GC7890A气相色谱仪色谱柱老化 (评阅+1) (2/1292) longyoungone 2012-05-16 2012-05-16 18:18:49 by longyoungone
[色谱质谱] 子离子扫描时质量数加1 (0/470) aj2003 2012-05-16 2012-05-16 16:14:06 by aj2003
[色谱质谱] 【求助】GC气相检测 手动积分问题？ (5/1606) laoyisng1122 2011-03-19 2012-05-16 16:03:34 by zxwcn
[色谱质谱] [已完结]测生物柴油中的甲醇，是否可以用DMF做溶剂 (评阅+1) (4/1266) qybingbing 2012-05-14 2012-05-16 10:02:08 by cmwajjh
[色谱质谱] [已完结]梯度洗脱 (4/788) yuansunshine 2012-05-15 2012-05-16 09:29:55 by zxwcn
[色谱质谱] [已完结]处理同位素峰形得到元素组成的软件 (0/242) malp04 2012-05-16 2012-05-16 09:13:30 by malp04
[色谱质谱] [已完结]求助啊，HPLC进了几针HSCCC的下相以后，怨念了 (评阅+1) (4/712) ME_CALL 2012-05-15 2012-05-16 08:31:20 by ME_CALL
[色谱质谱] [已完结]化合物分离 (2/645) yuner2011 2012-05-14 2012-05-15 22:34:53 by 痴夷子皮
[色谱质谱] [已完结]求助固相萃取柱的问题 (1/270) mxwtea 2012-05-15 2012-05-15 21:21:07 by zxz.1982
[色谱质谱] [已完结]液相色谱基线一直往下走？    ( 1 2 ) (ACI+1)(14/7246) gloomy6159 2012-05-13 2012-05-15 19:09:58 by zw0123456789zw
[色谱质谱] [已完结]液相色谱柱的问题 (6/871) 68109733 2012-05-13 2012-05-15 19:05:57 by zw0123456789zw
[色谱质谱] [已完结]西安哪里有用Chromolith ? Merck (Part No: 1.02129.0001）色谱柱 (0/345) 357665197 2012-05-15 2012-05-15 17:48:31 by 357665197
[色谱质谱] 大家用过硝酸银薄层层析么，还有硝酸银柱层析， (5/1906) yearhua 2011-10-10 2012-05-15 17:23:32 by zouqinghua
[色谱质谱] [已完结]色谱人员配备问题，请推荐 (3/587) 心禅 2012-05-15 2012-05-15 11:17:15 by loue
[色谱质谱] [已完结]求问作图一事 (2/204) nyzhaoyin 2012-05-15 2012-05-15 10:41:49 by nyzhaoyin
[色谱质谱] [已完结]液相色谱 峰高多少比较合适    ( 1 2 ) (16/5366) 鬼豆虫 2012-05-11 2012-05-15 09:55:09 by 鬼豆虫
[色谱质谱] [已完结]异植醇的气相方法 (评阅+1) (5/1128) itysunshine 2012-05-12 2012-05-15 09:52:35 by zxwcn
[色谱质谱] [已完结]Quadrupole mass spectrometer, quantitative analysis of gas mixture (0/207) zzhnyf 2012-05-14 2012-05-14 23:05:11 by zzhnyf
[色谱质谱] [已完结]求助残留溶剂 (评阅+1) (1/269) nnxll 2012-05-14 2012-05-14 22:01:30 by lifucheng
[色谱质谱] [已完结]安捷伦1100荧光检测器 (评阅+2) (0/323) hytlovelm 2012-05-14 2012-05-14 20:46:27 by hytlovelm
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