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[热点] filecode 等待解的谜 2026-08-10 刚刚
【求助】有关TOC问题 (1/286) jiazhifang 2011-03-01 2011-03-02 12:09:41 by qkhhje
[其他分析] 【资源】201104济南计算机系统验证 培训 (0/705) reallove2935 2011-03-02 2011-03-02 10:42:23 by reallove2935
[色谱质谱] 【求助】高效色谱与浓度有关吗 (2/240) lwl3005 2011-03-02 2011-03-02 10:26:59 by lwl3005
做质谱的前期准备工作有哪些? (6/2611) zane93 2009-01-14 2011-03-02 10:11:28 by liuxj1219
[色谱质谱] 【求助】柱子走干了怎么办?    ( 1 2 3 ) (23/3264) jinger8017 2010-09-12 2011-03-02 10:10:38 by b_laban
【资源】一本非常实用的《化学用表》书 (3/491) zhaoqiang5333 2011-02-16 2011-03-02 10:08:32 by grfmissink
[色谱质谱] 【求助】电导检测器 (0/176) 虎头一个 2011-03-02 2011-03-02 09:19:43 by 虎头一个
【求助】考研 (2/287) caomeibuding 2011-03-01 2011-03-02 09:13:51 by 幸福云景
【求助】请问己二醛在甲醇中的最大吸收峰大概在多少nm (0/231) liuhuizzu 2011-03-02 2011-03-02 09:12:35 by liuhuizzu
[色谱质谱] 【求助】fpd检测器的检测上限 (0/1048) banditwjl 2011-03-02 2011-03-02 09:02:59 by banditwjl
【求助】溶液中硼氢化钠含量的测定方法 (0/678) nana.shine 2011-03-02 2011-03-02 08:26:50 by nana.shine
[色谱质谱] 【求助】当进样过载时会出两个峰吗    ( 1 2 ) (11/1261) ymw520 2011-02-26 2011-03-02 07:57:16 by ymw520
[色谱质谱] 【求助】请教:希望用gc-ms做苯酚降解中间产物的检测? (2/1630) guanqiqi 2011-02-26 2011-03-01 23:10:30 by Kingwaver8936
【求助】谁会使用电位滴定仪,是用NAOH滴定物质的,急急 (3/801) jitingting 2011-02-19 2011-03-01 22:04:11 by lbsummer
[分析前沿] 【求助】量子点多色荧光免疫分析的现状和发展趋势 (2/1414) 晓梦蝴蝶 2010-11-23 2011-03-01 21:58:27 by haohaolzu
【求助】关于紫外数据,弱问一下,谢谢各位大侠 (2/440) happyjoy 2011-02-13 2011-03-01 21:54:03 by cpuyxj
[色谱质谱] 【求助】色谱分析用溶剂 (4/655) lxtfly 2011-03-01 2011-03-01 21:01:06 by zhangholmes
[色谱质谱] 【求助】有关气相色谱的问题 (3/711) yangsitao 2011-02-23 2011-03-01 19:49:30 by 幸福云景
[色谱质谱] 【讨论】关于TLC和硅胶柱层析 (5/1363) spxysa041 2011-01-26 2011-03-01 19:47:30 by xuxinn
[色谱质谱] 【求助】87H液相色谱柱能过纯水吗 (0/216) niuyufei1982 2011-03-01 2011-03-01 19:31:34 by niuyufei1982
【讨论】关于分析化学专业研究方向 (评阅+1) (9/1490) lqm86 2011-03-01 2011-03-01 18:27:19 by tangbohejin
[色谱质谱] 【求助】HPLC分不开的峰,用质谱能分开吗? (12/3788) 忠亚之梦 2011-02-28 2011-03-01 18:17:49 by flowyang
【求助】请教:液相 自动进样器发现问题了。 (4/652) kittyharuf 2011-03-01 2011-03-01 17:30:04 by kittyharuf
[数据分析] [关贴]【求助】跪求:如何分析TPD谱图?谁能帮忙解释一下 (0/2719) thatfall_lqy 2011-03-01 2011-03-01 17:14:09 by thatfall_lqy
[色谱质谱] 【求助】气相样品残留测定相关问题?谢谢! (0/183) kittyharuf 2011-03-01 2011-03-01 16:58:39 by kittyharuf
【专题】《检验检疫科学》创办人:周锦帆教授百科网络在线讲座!欢迎大家到时参加!! (1/185) yhongsw 2011-03-01 2011-03-01 16:44:56 by xuzhexins0
【求助】关于 液相 气相的相对保留时间的小问题 (0/305) 1414671343 2011-03-01 2011-03-01 16:05:21 by 1414671343
【求助】我的TLC板, 很是不像话, 帮忙看看吧 (14/1661) yanqingwangyong 2011-02-23 2011-03-01 15:47:26 by 香格里拉
【求助】分装金属元素标准溶液用的分装瓶买什么牌子好 (0/1172) 醉落尘凡 2011-03-01 2011-03-01 15:45:17 by 醉落尘凡
[色谱质谱] 【求助】HPLC检测出峰问题?请教大家!! (8/1613) kittyharuf 2011-02-28 2011-03-01 15:31:54 by 香格里拉
[色谱质谱] 【求助】峰前延 (8/1246) qiyusiluo 2011-02-17 2011-03-01 15:27:46 by tthxq0105
【求助】浓盐酸 (9/1338) wb3040422 2011-02-27 2011-03-01 15:20:51 by 香格里拉
【求助】红外仪器(Nicilet 6700 & 5700)测试 (0/274) yujingchen 2011-03-01 2011-03-01 15:16:33 by yujingchen
[色谱质谱] 【求助】草酸脂加氢分析方法 (0/136) 学员5dMass 2011-03-01 2011-03-01 15:08:13 by gaochao85
【资源】怎么测定碳链长度的脂肪酸钠盐的浓度(浓度比较低) (0/389) xue_shine 2011-03-01 2011-03-01 14:59:45 by xue_shine
【求助】求购表面印迹用硅球 (6/739) 乔晋东 2011-03-01 2011-03-01 14:20:01 by 乔晋东
[色谱质谱] [关贴]【求助】GPC不出峰 (17/3553) fisher850 2011-02-18 2011-03-01 13:45:52 by fisher850
[关贴]【求助】什么是酸解法?用酸解法怎么分析二氧化碳含量? (1/1438) 200921223_y 2011-02-26 2011-03-01 13:30:25 by 我爱子云
[色谱质谱] 【求助】原子吸收测定 标准曲线相关问题? (3/1210) yhongsw 2011-02-28 2011-03-01 13:05:20 by yhongsw
【求助】NH2-O-O-如何定量 (8/992) lvchunhuahua 2011-02-15 2011-03-01 12:59:25 by lvchunhuahua
【交流】哪位用过或者正在用赛墨科技的biomate 3s分光光度计的 (0/106) oliverxzj 2011-03-01 2011-03-01 12:49:38 by oliverxzj
【求助】相对校正因子的计算 (1/1765) 筱晴 2011-02-28 2011-03-01 12:38:45 by lishushu
[数据分析] 【求助】急~~~求助核磁图中怎么解出耦合常数? (1/1809) 筱儿xiaoer 2011-03-01 2011-03-01 12:34:55 by tiexl
【求助】用0.1MOL/L高氯酸滴定含量,请教大家!! (1/832) yhongsw 2011-03-01 2011-03-01 12:13:39 by qkhhje
【求助】请问检测细胞内的黄连生物碱含量最好用什么分析方法 (0/149) tiankongde 2011-03-01 2011-03-01 11:43:21 by tiankongde
[色谱质谱] 【求助】请教大家:硅胶活化的时候,用3mol/L的盐酸活化硅胶的目的 (0/1604) 孤独的泪 2011-03-01 2011-03-01 11:15:42 by 孤独的泪
【求助】与铜离子有特异性络合的物质有哪些? (0/532) wangly 2011-03-01 2011-03-01 10:50:19 by wangly
【求助】固体硫化铵的结晶浓度是多少 (0/1349) m200970213 2011-03-01 2011-03-01 10:50:12 by m200970213
【求助】ICP光谱 仪器操作相关问题?? (1/309) bnuliysuan 2011-02-28 2011-03-01 10:37:43 by haironglove
[色谱质谱] 【求助】哪位高手能帮我解决用离子色谱测定电子平衡的问题 (6/1143) Zedone 2011-02-24 2011-03-01 10:29:06 by jiangxue82
【求助】请问水杨酸甲酯的最大紫外吸收波长是多少 (0/1321) ranwei666 2011-03-01 2011-03-01 09:59:57 by ranwei666
[色谱质谱] 【求助】Agilent GC-6890N back detector makeup shutdown (3/1098) 寒冰若霜 2011-02-28 2011-03-01 09:58:24 by dreamsnow200428
【求助】哪位大侠帮我分析下 (1/268) babyhouse 2011-03-01 2011-03-01 09:42:17 by speedo
[分析前沿] 【求助】氨基酸自动分析仪 (0/258) wangran858 2011-03-01 2011-03-01 08:53:24 by wangran858
求化学工业出版社,孙凤霞主编的《分析化学》一书的课后题答案。 (4/1562) yfang 2011-02-27 2011-03-01 00:00:50 by yfang
【求助】茶叶农残测定方法及回收率等问题 (1/445) gyping8217 2011-02-28 2011-02-28 23:35:08 by myy1787
【求助】哪位高手能帮我解决用离子色谱测定电子平衡的问题 (0/323) Zedone 2011-02-28 2011-02-28 22:30:50 by Zedone
【求助】请问在多级萃取中,分配比是不变的吗? (4/1388) sscc 2011-02-18 2011-02-28 21:54:26 by speedo
【求助】请教如何利用群论推导某一已知对称性分子的具有拉曼和红外活性的振动数目 (1/1610) ynkmrxp 2011-02-28 2011-02-28 21:47:18 by speedo
【求助】请问ATP和腺苷是同一种有机物吗? (2/1841) lfbapple 2011-02-28 2011-02-28 21:40:31 by 游牧的
【求助】拉曼光谱分析求助! (ACI+1)(6/2555) mbj2004 2010-12-25 2011-02-28 19:57:07 by phdl
[其他分析] 【求助】高分辨率TG (0/142) lyt1986 2011-02-28 2011-02-28 19:55:07 by lyt1986
【求助】聚苯乙烯磺酸钠(PSS)的红外光谱是什么 (0/2424) yhy6340 2011-02-28 2011-02-28 19:53:33 by yhy6340
[其他分析] 【讨论】吸附脱附仪,麦克仪器or拜尔仪器 (0/695) nichael1985 2011-02-28 2011-02-28 19:07:33 by nichael1985
【求助】ICP的数据分析判定及日常维护(如积炭等的处理) (3/1369) 钟韦桑 2011-02-26 2011-02-28 18:55:32 by swordgang
【求助】测定标准品含量的方法 (1/410) 1414671343 2011-02-28 2011-02-28 18:42:59 by 1414671343
[分析前沿] 【求助】普通等电聚焦是怎样的 (0/428) creepon 2011-02-28 2011-02-28 18:41:37 by creepon
[色谱质谱] 【求助】气相仪器样品检测问题?谢谢!!! (0/339) yhongsw 2011-02-28 2011-02-28 17:53:23 by yhongsw
[色谱质谱] 【求助】请教前辈们安捷伦1100二元泵和四元泵是什么意思? (4/2483) zhanghanxiao 2011-02-24 2011-02-28 17:49:08 by zhanghanxiao
[色谱质谱] [关贴]【求助】mug/kg 是什么单位 (2/5093) luoyanbo 2011-02-28 2011-02-28 17:14:32 by Dr_Jesse
【求助】混合气体中各气体成分的分析,请各位高手指点啊。。 (1/563) xianyun329 2011-02-28 2011-02-28 15:48:54 by herenren
【讨论】无定形化合物 一般用什么方面测试含量 (0/1567) ryp1201 2011-02-28 2011-02-28 15:44:58 by ryp1201
【求助】液相检测 氘灯出现问题了?求解决? (6/1530) kittyharuf 2011-02-26 2011-02-28 14:56:17 by kittyharuf
[色谱质谱] 【求助】HPLC 流动相分析相关问题?? (4/1270) huaaduo 2011-02-25 2011-02-28 14:48:03 by wlhg2011
【交流】工业丙酮含水量 (7/1646) 天一生水96 2011-02-28 2011-02-28 14:16:38 by herenren
【求助】标准回收 (1/218) ttrh21986 2011-02-27 2011-02-28 14:16:04 by yjquhunan
【求助】原吸仪器 操作检测问题?? (1/268) xuzhexins0 2011-02-28 2011-02-28 14:11:31 by yjquhunan
【求助】FA2204B型号电子分析天平如何矫正(完整些) (3/678) 新手8817 2011-02-24 2011-02-28 13:48:33 by 新手8817
[色谱质谱] 【求助】HPLC 仪器系统出现问题了??    ( 1 2 ) (10/1592) bnuliysuan 2011-02-26 2011-02-28 13:44:11 by 小醇醇
【求助】红外谱图分析 (6/959) chengziww8866 2011-02-25 2011-02-28 13:34:51 by zerohead
[其他分析] 【求助】请教药典理化性质试验问题 (2/641) 胖胖儿 2011-02-27 2011-02-28 12:09:53 by 胖胖儿
【求助】请问如何快速分析直馏石脑油中的PONA组成呢?不限于使用色谱 (0/548) nashhengshui 2011-02-26 2011-02-28 12:07:11 by nashhengshui
[其他分析] 【求助】葡萄糖酸钙或葡萄糖酸锌国标中关于还原物的测定 (1/576) llp5082 2011-02-28 2011-02-28 11:20:29 by ssewr
【求助】仪器标定校准培训事宜 (0/112) 森西罗 2011-02-28 2011-02-28 11:16:43 by 森西罗
[其他分析] 【求助】乙烯基吡啶含量测定 (0/169) xiaohuaidan 2011-02-28 2011-02-28 11:07:59 by xiaohuaidan
[色谱质谱] 【求助】请教:液相样品 分析检测问题?? (3/1266) huaaduo 2011-02-27 2011-02-28 11:05:42 by kandengren
[色谱质谱] 【求助】求助!!100%水冲C18柱子问题! (5/2570) totojuly 2011-02-23 2011-02-28 11:01:57 by shyron
【求助】求助关于比表面积的文章 (1/284) conan281 2011-02-27 2011-02-28 10:54:08 by mrzhou2000
[关贴]【求助】求助查尔酮合成酶活性测定 (2/540) 求学无止境 2010-06-12 2011-02-28 10:49:29 by fu108042
【求助】顺序提取方法 (0/322) yuanjian_1 2011-02-28 2011-02-28 09:51:02 by yuanjian_1
[色谱质谱] 【求助】光谱检测出现问题?怎么办?? (0/211) yhongsw 2011-02-28 2011-02-28 09:39:27 by yhongsw
【求助】用0.01mol/LKOH乙醇标准溶液标定0.01mol/L盐酸乙醇溶液 (4/1664) zouxy 2011-02-23 2011-02-28 09:14:47 by zouxy
【求助】用xpert highscore 分析xrd图像的问题 (0/297) fresh_022 2011-02-28 2011-02-28 08:53:05 by fresh_022
【求助】分离度 (9/1903) someday1985 2011-02-27 2011-02-28 08:28:36 by 纯婧的天空
[色谱质谱] 【求助】气相色谱标定 (11/883) lan1987 2011-02-21 2011-02-28 08:17:18 by shyron
【求助】求助:要想检测氢气纯度为99.9995%,请问用什么检测仪检测? (7/2331) 小熊松 2011-02-24 2011-02-28 07:15:32 by ymw520
[关贴]【讨论】关于ICP测高纯度无机盐的纯度时,由杂质含量推算主含量的问题? (6/2115) 兰清芷秀 2011-01-18 2011-02-28 00:46:02 by shyron
【讨论】原花青素定性方面的 (2/524) 311张 2011-01-07 2011-02-27 23:56:32 by shyron
[色谱质谱] 【求助】求C18合成方法 (1/342) shuyaping 2011-02-27 2011-02-27 23:41:57 by shyron
[色谱质谱] 【讨论】接0.18u色谱柱技巧 (6/1066) 痴夷子皮 2011-01-15 2011-02-27 22:37:28 by 1414671343
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