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[热点] 疑惑？ 好孩子好乖 2026-01-20 刚刚
求助核磁高手，帮我解谱？    ( 1 2 ) 5 (13/873) xkw2005 2008-01-18 2008-04-21 20:42:22 by tcx16871
HPLC检测时怎么数据隔天做的没办法做到重复性    ( 1 2 ) (11/933) mingmeichen 2008-04-15 2008-04-21 20:25:39 by Alice130
[其他分析] 农药环氧嘧磺隆的内标物 16 (2/54) wuzhongxin88 2008-04-17 2008-04-21 19:20:52 by wuzhongxin88
放弃求助，无机红外谱图的解析？ 47 (4/319) fanghua 2008-04-20 2008-04-21 19:14:00 by fanghua
请教各位：质谱图中有没有碎片离子的m/z比分子离子峰的还要大？    ( 1 2 ) (10/1485) fxg0005 2008-04-16 2008-04-21 18:34:05 by dnp
氨基酸分析柱 (2/99) 学员a5muI0 2008-04-21 2008-04-21 16:48:55 by evilzhou
[其他分析] 求助＿扫描电镜分析磁性粒子 (0/83) yanqlin2006 2008-04-21 2008-04-21 16:05:01 by yanqlin2006
液化石油气中的单质硫和总硫含量用什么分析？可以同时测吗？ (0/47) jiaqiong 2008-04-21 2008-04-21 15:58:15 by jiaqiong
黄酮类化合物制成的抗衰老化妆品的评价方法 (金币≥1)(0/27) xulongjiang528 2008-04-21 2008-04-21 15:49:54 by xulongjiang528
相对含量分析~~~ (2/70) baibaidota 2008-04-21 2008-04-21 14:58:21 by baibaidota
关于SO3的测定 (3/281) 学员yMFnQK 2008-04-19 2008-04-21 13:49:30 by anjianping
有关HPLC中死峰的问题    ( 1 2 ) 1 (14/734) jodany 2008-03-29 2008-04-21 13:48:13 by jodany
求助：请问高效液相色谱柱c8和C18的区别 (2/363) zyw2008 2008-04-21 2008-04-21 12:20:28 by jjf4085
请问Nafion这个物质本身导电吗？ 3 (3/375) shawn2006 2008-04-15 2008-04-21 11:51:55 by pemfc
求助 硼砂,氢氧化钠,硫酸钠分开测定的方法 (7/272) 学员HVLs1D 2008-04-20 2008-04-21 11:49:44 by dryfish
要测废铜中的铜,硫的含量,能用硝酸消解吗? (3/233) xqianghuang 2008-04-20 2008-04-21 11:46:43 by dryfish
求助：1，4-丁内酯的气相检测条件 (4/248) shuixianhua 2008-04-21 2008-04-21 11:37:16 by shuixianhua
请教大家，怎么测一下蘑菇的二氧化碳浓度 (0/50) beibeiyu 2008-04-21 2008-04-21 11:12:19 by beibeiyu
求助：请问一下甾体类化合物高效液相的条件 (2/80) zyw2008 2008-04-18 2008-04-21 10:48:28 by zyw2008
哪里能买到环境标准样品 (2/60) gzdeng 2008-04-21 2008-04-21 10:16:26 by gzdeng
BaB4O7是难容物质吗 (0/38) 学员HVLs1D 2008-04-21 2008-04-21 08:52:54 by qq187110460
[求助]关于液相色谱紫外检测器的氘灯能量 (4/666) xiaomi816 2008-04-13 2008-04-21 08:49:14 by jixf_1114
求间接AAS 形态分析 (1/67) liujiyun 2008-04-20 2008-04-21 08:48:04 by dryfish
[色谱质谱] 关于柱层析的全过程视频    ( 1 2 3 4 5 6 .. 32 ) (+111.75) (评阅+2) (金币≥65535)(316/7442) zeng-haochen 2007-04-22 2008-04-21 08:19:33 by lyxiaokang
[求助]薄层跑板，拖尾如何消除？    ( 1 2 ) (10/875) lan.453 2008-04-09 2008-04-20 21:09:52 by xfd
[求助] ，日立液相色谱响应值极低，请教怎么回事 (3/329) shanewu 2008-04-18 2008-04-20 19:46:01 by shanewu
求助各位虫友： (1/68) wodexier2003 2008-04-20 2008-04-20 17:47:34 by aiyuanzh
[其他分析] 求助，红外谱图中的半峰宽是指什么？ (1/630) fanghua 2008-04-20 2008-04-20 16:56:41 by ramanlxh
求助：水中农药降解后怎样做红外光谱，直接做能行吗？ (2/70) yxl1218 2008-04-20 2008-04-20 14:54:16 by alumnium
请教液相相关问题？ (4/323) lcyzfk 2008-04-18 2008-04-20 14:16:19 by jzz8035
求有关稀土光谱方面的书 (2/215) tomasson 2008-04-19 2008-04-20 08:30:43 by tomasson
[版内事务] [开春有奖活动之]“如果你是版主，你想怎么管理分析”活动    ( 1 2 ) (11/1017) dnp 2008-03-03 2008-04-20 04:12:47 by patoduck
求助：液相色谱出峰太低    ( 1 2 ) (11/827) zhouqin1024 2008-04-08 2008-04-19 20:32:27 by elainexue
请教一个溶液的配制问题~~~~~~~    ( 1 2 ) (10/578) dihuo105 2008-04-17 2008-04-19 17:07:10 by wolfyjh
铜分析中紫尿酸铵做指示剂的问题 (1/73) huang55755 2008-04-15 2008-04-19 15:21:26 by xiaomei0923
求助：镍离子的测定方法 (6/529) 济大刘庆 2007-11-30 2008-04-19 15:08:26 by xiaomei0923
色谱峰漂移 (5/192) xiaojuanjuan 2008-04-11 2008-04-19 15:06:11 by 419649551
请教一个液质问题 很困惑啊～～ (5/181) ansrang 2008-04-17 2008-04-19 12:56:54 by ansrang
求助：紫外二阶导数光谱法 (3/756) limingtiaan2 2008-04-17 2008-04-19 12:32:58 by limingtiaan2
[求助]铬酸氢根 和 重铬酸氢根 的红外特征峰 (0/63) jia11 2008-04-19 2008-04-19 12:09:58 by jia11
求助：lc-ms (5/122) tuqw 2008-04-04 2008-04-19 11:29:36 by evercj
56.com邮箱的资料全部丢失，可惜啊！ (7/150) dryfish 2008-04-13 2008-04-19 11:10:46 by retyty
求助~~硝酸溶解钢样能否将铬氧化成六价？急！ (3/395) pengpengppp 2008-04-16 2008-04-19 11:09:09 by retyty
求助：钇含量的测定方法 (2/63) shifs 2008-04-17 2008-04-19 11:05:07 by 419649551
[其他分析] 急求＜复杂物质剖析技术＞一书电子版 (0/132) zjtangweichyu 2008-04-19 2008-04-19 10:49:48 by zjtangweichyu
[版内事务] 【有奖活动 II】说说您2007年的科研成效    ( 1 2 3 4 5 6 .. 7 ) (评阅+9) (61/2316) yensh 2007-12-22 2008-04-19 10:28:36 by xy4585618
请教大侠红外光谱 (3/163) tianda122ok 2008-04-18 2008-04-19 10:05:58 by alumnium
检测限的算法（急）    ( 1 2 ) (10/1142) 青莲裙舞 2008-04-12 2008-04-19 09:05:16 by 419649551
求助：HPLC（已解决，谢谢大家） 1 (7/485) 小连翘 2008-04-14 2008-04-19 09:01:19 by anjianping
XPS数据处理问题咨询 (1/350) shaoling988 2008-04-16 2008-04-19 08:05:44 by shaoling988
苯酚羟化的产物用气相色谱能分析么？ 3 (8/427) vivian-sfw 2008-04-15 2008-04-18 22:55:42 by evilzhou
【紧急求助】 AA-6800 操作规程 (0/46) mingtian6452 2008-04-18 2008-04-18 19:45:17 by mingtian6452
【求助】3个红外波谱图分析？ (2/100) bingming27 2008-04-18 2008-04-18 19:32:07 by lizhiyuan
求助：我想请问一下，荧光、同步荧光、共振光散射有什么不一样啊 。。。急啊。。 (金币≥5)(2/137) 十字彩虹 2008-04-18 2008-04-18 19:10:09 by lizhiyuan
原子吸收分光光度计 (0/147) weisifan 2008-04-18 2008-04-18 17:50:43 by weisifan
请教溶解-沉积的动力学原理 (0/43) fogeking 2008-04-18 2008-04-18 17:07:36 by fogeking
请教：什么仪器可以测试有机物在水体中的分散状态 (0/32) susanzhang 2008-04-18 2008-04-18 15:37:05 by susanzhang
测量 photoluminescence 怎么选择激光波长,谢谢! (4/365) zhanguoshanshan 2008-04-18 2008-04-18 13:55:44 by zhanguoshanshan
用SDBS查出来的甘氨酸的核磁图怎么只有亚甲基的氢？ (2/68) bpl1983 2008-04-17 2008-04-18 13:55:07 by 兔子不乖
求助：SEM使用的都是正常大小的载玻片么？ (1/105) ashao 2008-04-17 2008-04-18 13:01:05 by ashao
求助关于ph测定遇到的问题 (3/264) latie20022003 2008-04-17 2008-04-18 12:42:43 by latie20022003
气质问题 (1/85) j5002263 2008-04-18 2008-04-18 11:48:07 by fdwllq
用气相色谱 内标法做标准曲线时,曲线是否一定得过原点? (4/1384) jinhailong 2008-04-16 2008-04-18 11:28:30 by jinshanshi88
请教!!1.1.2-三氯三氟乙烷在液相中的应用 (1/89) zhentian80 2008-04-18 2008-04-18 10:46:58 by jinshanshi88
[其他分析] 请帮忙画核磁谱图！ (8/508) xkw2005 2008-04-13 2008-04-18 09:49:26 by dnp
[求助]气相色谱仪关闭条件 (5/1200) 学员e0EK47 2008-04-17 2008-04-18 08:27:28 by zwk19840103
化学测试仪器使用指南 (评阅+1) (5/440) 东山寿 2007-11-15 2008-04-18 07:53:57 by flyfang1983
用液相测样品甲醇溶剂峰和单独进甲醇的峰面积值想差很大，是怎么回事？ (4/541) mingtian6452 2008-04-17 2008-04-18 00:15:15 by chen-wen-zhi
气相HP5 的柱子怎么测对苯二酚? (2/72) vivian-sfw 2008-04-17 2008-04-17 23:37:13 by zjulry
萃取 (金币≥5)(5/92) wangfahui6 2008-04-17 2008-04-17 23:25:03 by zjulry
求助：糖吸水后的结构分析： (0/38) rosysky 2008-04-17 2008-04-17 23:11:18 by rosysky
求教:氧化镉和氢氧化镉的光学性能 5 (0/48) lijun19830910 2008-04-17 2008-04-17 22:50:28 by lijun19830910
求教 (0/44) huaxue0309071 2008-04-17 2008-04-17 22:50:10 by huaxue0309071
实验室需要购买仪器，请虫虫们推荐。 (3/421) deng_jin 2007-06-12 2008-04-17 22:40:12 by ccc502
红外谱图解析，求助 8 (1/139) andiyren 2008-04-17 2008-04-17 21:57:17 by fly872
[其他分析] 有关蔬菜精的分析 (2/70) miki-小黄 2008-04-16 2008-04-17 21:15:52 by miki-小黄
求助：点板的问题 (2/107) zhangyaner1983 2008-04-15 2008-04-17 20:15:49 by chenjiajiang198
关于络合物稳定常数测定的问题 10 (0/74) 三十补考 2008-04-17 2008-04-17 19:40:51 by 三十补考
TLC中展开剂拖尾 (5/534) guleyy1984 2008-04-16 2008-04-17 18:07:52 by guleyy1984
求助，解谱中的问题 (1/87) guochang1201 2008-04-17 2008-04-17 16:24:36 by jixf_1114
求助 5 (5/120) licongsdutcm 2008-04-17 2008-04-17 15:30:57 by auglily
Rheodyne进样阀故障排除指南--官方中文版 (0/101) flygh0206 2008-04-17 2008-04-17 14:51:15 by flygh0206
数据分析 (1/81) wumeishengwu 2008-04-17 2008-04-17 13:02:40 by neauguow610866
资源 [ 查看全部 ] 作者 最后发表
[色谱质谱] ［总汇］色谱分析优秀书籍，资料，教材(07.07.04.)    ( 1 2 ) (52/6666) nini000 2007-07-04 2008-04-21 20:43:06 by chinaxiao112
[色谱质谱] Agilent公司的经典学习课件-----色谱理论基础 (38/3999) GreenSunday 2007-06-27 2008-04-21 17:39:12 by hlp117
【分享】荧光定量PCR实验指南 (4/159) loveshow 2008-03-14 2008-04-21 07:26:21 by lww123
反相色谱柱的使用与维护 (1/577) aiyuanzh 2008-04-20 2008-04-20 18:59:50 by wangye1954
十步优化HPLC (22/705) aiyuanzh 2008-03-30 2008-04-20 17:57:03 by aiyuanzh
分子发光分析法(荧光法和磷光法)_彭采尔等 (21/828) lihai0910 2007-11-08 2008-04-20 16:22:46 by xiaohutushen3
【分享】北京普析通用公司技术交流会 (4/322) renxuekun_00181 2008-04-18 2008-04-20 16:05:35 by yinweiwei5077
色谱柱维护与再生 (6/507) xy4585618 2008-04-19 2008-04-20 13:40:52 by readonly
Rapid Detection Assays for Food and Water (8/541) lihai0910 2008-04-15 2008-04-20 12:08:01 by xbhchina
Handbook of Ion Chromatography (8/864) msd2phd 2008-04-16 2008-04-20 10:01:14 by anny67
色谱百年回顾~ (2/182) flygh0206 2008-04-19 2008-04-20 02:17:53 by fox-fox
仪器与方法验证英文专著 (9/362) lihai0910 2007-11-24 2008-04-19 20:38:08 by peng_friend
AOAC：How to Meet ISO 17025 Requirements for Method Verification (3/459) wittyboy 2008-04-16 2008-04-19 20:28:05 by xylsd
Annual Reports on NMR Spectroscopy, Volume 46，47 (2/294) lihai0910 2008-04-05 2008-04-18 19:40:32 by tanduanming
多元回归 (1/113) zhitongxing 2008-04-18 2008-04-18 17:14:41 by dnp
多元线性回归matlab (6/155) zhitongxing 2008-03-21 2008-04-18 15:10:31 by zhitongxing
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