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    [热点] 2025 - Directed C‐H Bond Functionalization asymmsyn 2026-01-19 刚刚
    求助硕士论文: 微生物油脂的开发研究 (金币≥1)(1/47) qingqing3878 2008-11-03 2008-11-03 21:06:45 by yjc8183
    气相色谱分析甲醇、水时两个色谱峰都拖尾该怎么解决? 1 (8/796) zjpxw 2008-10-29 2008-11-03 19:53:02 by jackzfx
    [其他分析] 矿物中杂质化合物形态 (2/69) cj58206425 2008-11-03 2008-11-03 19:25:08 by 大漠孤烟7617
    掩蔽剂 (3/218) Hxsxmch 2008-11-03 2008-11-03 19:12:01 by tianlb
    大家帮帮我吧 (评阅-2) (0/63) xumin2002 2008-11-03 2008-11-03 19:04:21 by xumin2002
    [关贴]请教:二极管阵列属于什么类型检测器? (4/377) 山虫 2008-11-03 2008-11-03 19:00:49 by finetec
    讨论 (0/36) 040941033 2008-11-03 2008-11-03 18:41:20 by 040941033
    恳求能够采用什么体系萃取分离没食子酸和儿茶素? (0/35) gjlcanfly 2008-11-03 2008-11-03 18:13:57 by gjlcanfly
    [关贴]NMR区分手性化合物 (4/354) liuhuachen123 2008-11-02 2008-11-03 18:09:23 by shenjing1125
    想找个好的办法区分下列化合物? (4/247) aspect3000 2008-10-29 2008-11-03 17:28:29 by 剑客
    检测光解产物怎么布点 (1/33) hmily_522 2008-11-03 2008-11-03 15:55:00 by finely
    请教一个问题----有参加过第四届上海国际分析化学研讨会的吗? (1/96) fqiang 2008-10-31 2008-11-03 15:50:14 by 临泉者
    凝胶色谱柱可否上巯基乙醇? 2 (1/129) xiaosrr 2008-11-03 2008-11-03 15:17:06 by shhzhang
    求助:怎样用色谱测定丁二醇的含量 5 (1/72) wangcun832 2008-11-03 2008-11-03 12:17:30 by afeicas
    [求助]GC,DB-5能分离1,2,3,5-四氯苯和1,2,4,5-四氯苯么? 5 (1/71) fany_fy 2008-11-03 2008-11-03 12:16:07 by afeicas
    求助:气相,保留时间问题 (2/99) hujianxiangrian 2008-11-02 2008-11-03 12:02:22 by hujianxiangrian
    [关贴]求助---磷谱的问题 (5/146) mikegu_2000 2007-12-04 2008-11-03 11:43:14 by mikegu_2000
    [其他分析] [关贴]求助:Folin-Ciocalteu试剂的用途 原理 方法等等 4 (4/1580) jenney 2008-11-02 2008-11-03 11:37:29 by caidelingkitty
    [关贴]活性炭和、Porapak Q哪个作为吸附填充料好? (2/79) 学员pqatyp 2008-10-21 2008-11-03 11:01:55 by chongchong8818
    求助!选择气相还是液相? (3/424) 含笑1808 2008-11-02 2008-11-03 09:35:22 by 丑八怪77
    化学高层基准试剂 (评阅-2) (1/84) zxl0571 2008-11-03 2008-11-03 09:30:11 by dong1259
    请教液相色谱知识 (2/170) tling0417 2008-11-02 2008-11-03 08:39:19 by zouxiaowei
    CePt3Si的形成过程? 15 (0/27) shchb 2008-11-03 2008-11-03 08:14:59 by shchb
    P25的分散性 (0/73) kzdylr_6 2008-11-03 2008-11-03 00:35:02 by kzdylr_6
    [其他分析] 炽灼残渣检查用的坩埚种类和型号 (5/718) a1001 2008-10-30 2008-11-02 23:11:10 by fjc1980
    求助~~ (0/61) rabbityt 2008-11-02 2008-11-02 19:19:59 by rabbityt
    [关贴]请教一个HPLC的问题 (4/197) kkroy 2008-11-01 2008-11-02 18:08:12 by 佳怡
    [关贴]酸碱如何标定 1 (评阅-1) (2/86) yxb 2008-11-01 2008-11-02 17:42:37 by yxb
    [求助] 请问用NMR进行35Cl的测试 (2/69) sm330 2008-09-23 2008-11-02 16:43:51 by sunsmile
    求高手解谱 (3/307) dengjianglong 2008-10-08 2008-11-02 16:23:21 by sunsmile
    一族物质的混合物可以做核磁吗? (0/45) 小小晓 2008-11-02 2008-11-02 16:17:10 by 小小晓
    【求教】弱弱的问一下氘代二甲亚砜的氢谱为什么是五峰? (2/132) 冷雨敲窗 2008-10-18 2008-11-02 16:07:04 by sunsmile
    做核磁共振的样品纯度不高(90%)可以吗? (5/1443) 巴巴爸爸 2008-10-23 2008-11-02 15:57:22 by sunsmile
    莫尔法佛尔哈德法法扬司法测定氯离子哪个比较好 (7/1747) xgf915 2008-10-27 2008-11-02 14:52:18 by yuhaitao
    求液质联用方面的资料 (1/117) songzi136 2008-11-01 2008-11-02 11:26:39 by hirose
    熔点为150摄氏度的化合物能不能用气相色谱检测    ( 1 2 ) (11/1212) JJEELLYY 2008-10-01 2008-11-02 08:11:24 by fjcyt
    有做分子印迹(molecular imprinting)的虫友么?    ( 1 2 ) (12/641) wuheng167 2008-10-07 2008-11-02 00:07:37 by wuheng167
    请教:新的毛细管该怎么预处理?谢谢! (7/665) wyznanhang 2008-10-20 2008-11-01 23:46:24 by nonglin84
    [关贴]如何测定硝酸镁溶液中镁离子的含量 (3/129) 飞梦102 2008-10-31 2008-11-01 23:17:12 by 飞梦102
    稀焦糖的颜色和配置方法 (0/64) sandy_84 2008-11-01 2008-11-01 23:10:08 by sandy_84
    求助膜书籍两本 20 (3/286) tczuoshou 2008-11-01 2008-11-01 23:03:09 by tczuoshou
    求助HCl的核磁数据 (1/58) lovelentil 2008-11-01 2008-11-01 23:00:37 by jixf_1114
    卤水的pH值如何测定 (1/137) langfei1982 2008-11-01 2008-11-01 22:38:51 by yiyayiyayo
    有没有学校在用武汉大学分析化学第五版下作仪器分析的教材 (0/348) 西部材料 2008-11-01 2008-11-01 22:37:48 by 西部材料
    重金求助关于荧光分析    ( 1 2 ) 18 (11/737) chenlan124 2008-09-30 2008-11-01 22:35:42 by yiyayiyayo
    色谱柱(求助) (7/525) zxlyzh 2008-10-30 2008-11-01 20:53:07 by zxlyzh
    想定做几根玻璃柱,规格多大较好? (6/399) linfm 2008-10-28 2008-11-01 19:55:20 by purple8928
    气相色谱的样品需不需要虑头过滤? (6/783) italyfir3788 2008-11-01 2008-11-01 19:41:51 by purple8928
    甲酸铵的流动相对柱子有伤害吗? (1/102) disil 2008-11-01 2008-11-01 19:33:25 by zhangsibao
    求助~薄层色谱问题 (2/145) mimikj_038 2008-10-16 2008-11-01 17:04:46 by liwubin
    请问:怎样投稿到中成药 5 (3/422) jodi_zhou 2008-10-31 2008-11-01 16:03:02 by jodi_zhou
    求助二维相关红外光谱 (2/190) 火烧云 2008-10-21 2008-11-01 14:21:00 by pifuwei
    [关贴]红外谱图的相关系数是怎样得来的? (2/108) songyanling1983 2008-11-01 2008-11-01 13:59:06 by wgs1212
    求助,分析化学手册,缓冲溶液的配置那一册,新虫没有金币,免费发可以吗? (1/403) hbmbh 2008-10-31 2008-11-01 13:19:41 by liuweische
    [关贴]0.0053mg/kg的甲苯是用什么仪器分析出来的? (3/84) 楚萧 2008-10-31 2008-11-01 13:12:13 by 佳怡
    请教“等吸收点原理” (3/517) proton00 2008-10-28 2008-11-01 11:14:35 by liuqiuhong123
    HLB固相萃取小柱询问 4 (7/1000) qifei_hit 2008-10-27 2008-11-01 10:54:07 by shinebss
    求助:基线单向漂移    ( 1 2 ) 5 (11/612) dashanhanmu 2008-10-25 2008-11-01 10:16:19 by dashanhanmu
    请教负峰原因 (7/462) 丑八怪77 2008-10-31 2008-10-31 22:52:39 by readonly
    示差检测器 (4/783) shichunyancs 2008-10-31 2008-10-31 22:49:59 by readonly
    质谱引导的制备色谱的优点 (2/72) bigalice12345 2008-10-31 2008-10-31 22:44:46 by tsl
    聚四氟乙烯滤膜 (1/111) wenningyang2006 2008-10-31 2008-10-31 22:35:38 by readonly
    [关贴]求助:有效数字问题【已搜索无重复】 (3/203) 蓝色胡杨 2008-10-31 2008-10-31 21:57:35 by 蓝色胡杨
    求助 (评阅-2) (0/37) kzdylr_6 2008-10-31 2008-10-31 21:17:10 by kzdylr_6
    求高手:动力学的几个问题 (0/50) GZUCQ 2008-10-31 2008-10-31 21:04:43 by qq啊沁
    求助一化合物的摩尔消光系数 5 (0/156) fenmengcheng 2008-10-31 2008-10-31 20:44:39 by fenmengcheng
    胰高血糖素 (0/38) piaoye3918 2008-10-31 2008-10-31 19:28:48 by piaoye3918
    如何知道硼酸结晶后含几个结晶水? (2/666) 邢桃峰 2008-10-30 2008-10-31 19:19:08 by 邢桃峰
    中药色谱条件    ( 1 2 ) 5 (10/421) fanzheng101632 2008-10-27 2008-10-31 18:49:11 by fanzheng101632
    求助:大连化物做CEC的同仁请帮个忙 (1/57) fqiang 2008-10-31 2008-10-31 18:39:22 by yensh
    请教:关于滴定(例沉淀滴定)的软件应该用什么 (0/38) wangyankun 2008-10-31 2008-10-31 18:38:59 by wangyankun
    求助:质谱 (5/330) yanan0523 2008-10-30 2008-10-31 17:22:28 by shinebss
    求助 调ph问题 5 (4/313) xuxiaohui786 2008-10-31 2008-10-31 17:00:00 by xuxiaohui786
    色谱图显示不完全 (7/514) xialian01 2008-10-30 2008-10-31 16:02:56 by ada2008
    丁二醇含量的测定 急问!! 5 (1/95) wangcun832 2008-10-31 2008-10-31 15:44:33 by jessonkarry
    甲醇和正己烷互溶么 (5/2012) 木木889 2008-10-16 2008-10-31 15:19:44 by zys666
    [其他分析] 求助!柱层析分离 3 (0/83) ada2008 2008-10-31 2008-10-31 15:14:59 by ada2008
    刚被Analytica Chimica Acta拒稿,郁闷 (8/952) yongyong3889 2008-10-07 2008-10-31 14:01:51 by opq691
    求助:对氨基苯甲酸钠含量测定 (9/418) zihailuo 2008-10-29 2008-10-31 11:26:03 by sukungenga
    如何干燥甲醛 (5/397) zouxiaowei 2008-10-28 2008-10-31 11:19:02 by zouxiaowei
    [求助]:氯化铵水溶液的PH值 (6/1809) sunlinggang 2008-10-17 2008-10-31 10:52:50 by dorktox
    银离子的测定 (2/118) 满天星7727 2008-10-28 2008-10-31 10:51:13 by dorktox
    求助:8-羟基喹啉铜的液相检测方法 (2/375) tiantz 2008-10-30 2008-10-31 09:14:00 by 真的可以吗
    5金币求助10%氨水的配置 5 (3/315) yanhong_wa 2008-10-30 2008-10-31 07:05:35 by yanhong_wa
    [其他分析] 请教一个DNA与小分子作用的问题。。。 (4/258) axiang236 2008-10-29 2008-10-31 00:22:03 by axiang236
    FID色谱峰拖尾 5 (3/407) wuzhiweiyule 2008-10-29 2008-10-30 22:53:02 by engizang
    [其他分析] 求助适用于南极地区的气溶胶采样器 (0/37) whisht 2008-10-30 2008-10-30 21:51:59 by whisht
    求助两个色谱分析问题 (4/358) mesparkle 2008-10-27 2008-10-30 20:25:15 by mesparkle
    [关贴]如何滴定铝离子 (5/474) ymz 2008-10-21 2008-10-30 20:19:37 by 佳怡
    [求助]瞬态光谱法 (1/157) sakuraai 2008-10-29 2008-10-30 20:16:46 by lchn18
    求助!固体颗粒(50-60目)有吸水性样品的密度怎么测? 5 (0/38) lqz0614 2008-10-30 2008-10-30 18:34:38 by lqz0614
    资源 [ 查看全部 ] 作者 最后发表
    标准试剂的保存期限 (4/107) ZKQ8066 2008-11-02 2008-11-03 15:09:37 by opq691
    有机物色度的测定方法 (0/58) ZKQ8066 2008-11-02 2008-11-02 15:54:40 by ZKQ8066
    [其他分析] Laser Spectroscopy: Proceedings of the XVIII International Conference (1/69) bio-polymer 2008-11-02 2008-11-02 11:28:56 by zhaoyongqiang
    Advances In Multi-photon Processes And Spectroscopy (1/107) bio-polymer 2008-11-01 2008-11-01 17:52:00 by wingcat
    室温磷光分析法在药物分析中的应用 (8/849) opq691 2008-10-19 2008-10-31 13:38:53 by xugehui
    193页的GC培训PPT    ( 1 2 ) (98/3297) amorphous 2008-07-01 2008-10-31 09:54:29 by paxf1126
    [其他分析] 热分析动力学 (0/126) laiyb 2008-10-30 2008-10-30 22:10:50 by laiyb
    【分享】4.98万张免费图谱的使用 (0/170) sxyzt 2008-10-30 2008-10-30 19:50:04 by sxyzt
    [其他分析] 【分享】红外光谱主要吸收峰特征 (6/652) sxyzt 2008-08-09 2008-10-30 19:28:56 by sxyzt
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