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[热点] 化工专硕348,一志愿985求调剂 弗格个 2026-02-28 刚刚
【求助】请教中性的或者碱性的氧化剂? (9/1854) dageliumang 2011-01-18 2011-05-10 18:49:38 by dageliumang
【求助】该用哪种仪器直接测试出干污泥或煤中的C,H,O,S,N含量? (8/1306) jackleezj 2011-02-11 2011-05-10 16:49:38 by 嘉木
[色谱质谱] 【求助】D-丝氨酸的检测方法有哪些? (1/1095) goodspeed8917 2011-03-01 2011-05-10 16:27:50 by nlg318
[分析前沿] 【求助】关于凝集素 (3/443) lufang1981 2011-04-08 2011-05-10 15:43:18 by swalva
【求助】想设计一个TNT的荧光传感实验方案,请问实验中会不会有安全问题? (5/712) ycoolk1981 2011-03-15 2011-05-10 15:17:17 by ycoolk1981
【求助】找一个可以搜索分析仪器的网站,采用送10金币 (15/1312) lichuan123 2011-04-05 2011-05-10 11:04:44 by 朱荣建
环丙沙星的溶解度 (1/1574) wenhailan 2011-05-09 2011-05-10 09:28:06 by wlnear
【求助】紫外光谱 (9/932) roketfly 2010-09-26 2011-05-10 08:46:45 by little87
[色谱质谱] 【求助】请教关于色谱的相对校正因子的问题 (1/550) j3666769 2011-01-13 2011-05-10 08:33:15 by j3666769
[色谱质谱] 请问甲醇比例大,为什么保留时间变长,流动相是甲醇/磷酸?    ( 1 2 ) (12/3110) yuner2011 2011-05-05 2011-05-10 08:06:02 by MJF628
讨论哈加标回收的问题? (0/220) 唱歌的蜗牛 2011-05-09 2011-05-09 22:18:45 by 唱歌的蜗牛
果糖或蔗糖的NMR图 (1/1123) hjfx19880120 2011-05-06 2011-05-09 18:17:38 by wyq060512
【求助】弱阳离子交换树脂做为SPE填料都有哪些应用? (3/1233) 新海飞丝 2011-04-07 2011-05-09 18:02:15 by zxz.1982
仪器分析行业可以评哪些职称?都有哪些工程师认证的? (1/750) 交大狂人 2011-05-09 2011-05-09 17:18:12 by zhangweihong
[色谱质谱] 【求助】高速逆流色谱体系的选择 (3/816) chaostide 2011-03-22 2011-05-09 16:36:44 by chaostide
[色谱质谱] 【求助】关于保留时间 (12/1253) someday1985 2011-03-06 2011-05-09 13:14:41 by 少一点回忆
自来加标水样 (1/476) yihonmeilan 2011-05-08 2011-05-09 12:09:07 by skrcn2004
【求助】救命贴--关于MC-LR(藻毒素-LR)标准品问题,100微克的。--实验总失败 (3/778) lixin1609 2011-01-17 2011-05-08 20:16:43 by lianlili
互变异构对红外吸收的影响 (0/520) 3792139 2011-05-08 2011-05-08 17:56:20 by 3792139
[色谱质谱] 【求助】特征峰 (23/2015) huaxue8061 2011-02-23 2011-05-08 17:00:19 by xuminm
[色谱质谱] 挑选色谱柱 (2/478) bmdmengxm 2011-05-05 2011-05-07 18:33:10 by gongchke
[数据分析] 【求助】元素分析数据怎样分析 (1/2006) hj919 2010-11-15 2011-05-07 18:27:22 by tdlnjohn
【求助】请教一个关于氯化铟溶液配制问题 (4/981) 汪汪1014 2011-01-06 2011-05-07 16:51:59 by miaoshangyin
[数据分析] GC做的两组数据,应该选择哪组?各位大侠相助 啊 (0/305) hhm0311 2011-05-07 2011-05-07 16:48:48 by hhm0311
氨对COD测定的影响 (3/1015) ineedawife 2011-05-01 2011-05-07 15:35:39 by sion2008
【求助】沸水浴到底是个什么概念,用DNS测糖的都来指导下吧 (2/2701) sgn311 2011-03-23 2011-05-07 15:34:21 by zjf780526
用ICP-AES 可以测出氟硅酸铅溶液中元素硅的含量吗 (4/1512) hnxqb 2011-04-22 2011-05-07 09:34:17 by hnxqb
[分析前沿] 【求助】生物分子探针 (4/1652) tntgascan 2010-09-28 2011-05-06 19:52:22 by liyina121
[其他分析] 【资源】两种总有机碳分析技术的比较及最新的技术介绍 (评阅+2) (5/760) global.wun 2009-07-08 2011-05-06 16:22:22 by yahubibi
【求助】UV-分光光光度法测苯甲酸的处理方法 (3/410) dongxincheng 2010-11-12 2011-05-06 16:15:58 by speedo
环氧丙醇即缩水甘油的气相条件 (0/884) bijianhao 2011-05-06 2011-05-06 15:39:16 by bijianhao
[色谱质谱] 分离碱性化合物的C18柱哪个品牌的好些,帮忙推荐下 (3/837) jxnccsq 2011-05-05 2011-05-06 14:53:41 by 光辉
固相微萃取头PDMS的清洗 (0/644) girlzc 2011-05-06 2011-05-06 13:59:58 by girlzc
广州总有机碳总氮测试 (1/158) zgjlcm 2011-04-20 2011-05-06 13:30:13 by mncb
毛细管电泳动态pH-扫集 (0/304) gaojing198 2011-05-06 2011-05-06 09:06:30 by gaojing198
[色谱质谱] 请问一下关于有两个以上手性中心的 (0/2461) zhengxim 2011-05-05 2011-05-05 22:31:03 by zhengxim
80%的乙醇提取的皂苷用石油醚提取在石油醚层出现大量泡沫 (0/1019) wangyanhua87 2011-05-05 2011-05-05 18:06:48 by wangyanhua87
【求助】红外定量分析的峰面积是用校正面积还是未校正的 (2/2209) hgkjqx 2010-11-23 2011-05-04 19:28:34 by 刘晶晶
[数据分析] 【求助】EDS谱In和Sn的谱峰,为何word文档上有些谱峰没有标出? (2/511) zhuyunqing 2011-03-01 2011-05-04 17:25:34 by guolianshun
【求助】急求煤质分析实验记录表格式及实验报告的内容及格式 (2/404) 2008110791 2011-02-18 2011-05-04 15:23:24 by FENGGELOU
荧光光谱,为(*.sp3)格式,想用origin画立体图,请问如何把数据导出? (金币≥1)(2/61) dt-yy 2011-05-03 2011-05-04 13:16:21 by M100421
【求助】高效逆流色谱和高速逆流色谱的区别 (2/1524) zhijing 2010-06-07 2011-05-04 13:13:05 by lunchlanqi
[色谱质谱] 【讨论】【请教】HPLC中在214nm出峰,HSCCC检测不到怎么办 (2/454) dujilin 2011-03-27 2011-05-04 13:07:22 by lunchlanqi
【讨论】废水测阴离子表面活性剂如何破除乳化? (1/727) 调皮蝴蝶兰 2011-03-13 2011-05-03 22:05:04 by haojiangap
推荐一下欧美分子光谱分析(拉曼、荧光、红外等)较好的科研组 (3/575) 谁的自然 2011-05-01 2011-05-03 20:14:35 by mrzouhao
原子光谱法和分子光谱法的区别 (4/3856) dream08 2011-05-03 2011-05-03 16:05:59 by yinjiq
【求助】如果热重分析,一个化合物在很短的温度变化下,迅速失重,说明什么问题? (3/548) enger7012 2011-04-11 2011-05-03 15:11:32 by 嘉木
[数据分析] 【讨论】核磁氢谱中以氯仿做溶剂会导致羧基氢不出峰么 (5/2646) kwiety007 2011-03-21 2011-05-03 10:02:24 by baixue1951
请教苯酚电极反应的问题 (1/731) xiao_lei12 2011-04-19 2011-05-03 09:35:13 by 盖儿
【求助】紫外吸收系数 (8/1834) S.H.Y. 2010-11-07 2011-05-02 19:22:46 by tian0429
四氟化碳与水体系的红外光谱求助 (1/1044) 贾斯汀 2011-05-01 2011-05-01 23:04:43 by 贾斯汀
有关钼镍磷,磷钼杂多酸,钼镍氨溶液的问题 (0/226) me471084707 2011-05-01 2011-05-01 13:34:01 by me471084707
[色谱质谱] 响应因子 (5/2216) News 2011-04-26 2011-04-30 22:18:24 by wxblndl
【求助】紫外光谱测膜厚 (2/317) nsfan 2011-04-13 2011-04-30 10:37:16 by yanleiwang
[色谱质谱] 关于气相色谱仪的信号值的单位 (0/292) peiyumei 2011-04-29 2011-04-29 22:37:34 by peiyumei
【求助】NMR可以用水(不用重水)做溶剂吗? (10/3273) polymer.xu 2011-03-22 2011-04-29 21:03:09 by riyuewangxiaoke
[色谱质谱] 【求助】液相分离问题 (8/1087) 液晶化学 2011-04-17 2011-04-29 16:18:27 by 液晶化学
Cu(ClO4)2配合物在DMF溶液中,在260nm处有强的吸收峰,不知道是什么跃迁造成的? (0/143) enger7012 2011-04-29 2011-04-29 16:01:42 by enger7012
[色谱质谱] 气相色谱如何测定值ee (1/502) 有机王光远 2011-04-22 2011-04-29 12:10:04 by 蛋蛋and陌陌
溶剂中离子差异用什么仪器能快捷测出 (0/144) lishiqing 2011-04-29 2011-04-29 10:23:19 by lishiqing
[数据分析] 详解 聚合物材料的富集倍数 (0/308) tiantian6782 2011-04-29 2011-04-29 08:55:28 by tiantian6782
[色谱质谱] [关贴]【求助】气相的毛细管柱断掉怎么处理? (28/4507) zkaixi 2011-04-15 2011-04-29 08:11:59 by zkaixi
内标法和外标法 (金币≥100)(2/101) jiaojingyi 2011-04-27 2011-04-28 22:04:37 by jiaojingyi
[色谱质谱] [关贴]色谱柱填料    ( 1 2 ) (13/764) News 2011-04-18 2011-04-28 18:00:44 by dongmingcx
【求助】三氟甲磺酸纯度的测定方法 (3/1415) yinghuawangyu 2010-11-04 2011-04-28 17:37:56 by 2763800605055
【求助】甲基丙烯酸月桂酯的分析方法 (1/604) chengli320 2010-06-01 2011-04-28 16:32:44 by 麻帕烦
[色谱质谱] [关贴]【求助】Agilent1100 Series液相色谱仪怎么导出数据? (8/2815) 栾晓宇 2010-06-01 2011-04-28 16:15:58 by 汩汩小怪
样品吸水后做红外光谱部分吸收峰消失 (1/1081) fish1986 2011-04-28 2011-04-28 15:12:34 by pinguo
[数据分析] 【求助】求助于大家,关于药品含量的 按无水物含量的计算 (1/3910) 1414671343 2011-02-21 2011-04-28 12:31:33 by 1414671343
[色谱质谱] 大家看一下这个图,这两个峰怎么分开呢?    ( 1 2 ) (13/1410) v_persie 2011-04-27 2011-04-28 10:31:16 by vknight
[色谱质谱] 【求助】液质进样和直接质谱进样色谱强度的比较 (8/1510) lovemuli 2011-03-12 2011-04-28 10:28:20 by 小7~~~
【求助】质谱分析 (2/336) GHX666 2011-04-13 2011-04-28 10:02:33 by GHX666
[色谱质谱] [关贴]【求助】毛细管电泳使用方法 (3/879) 夏天转个弯 2011-02-23 2011-04-28 09:29:20 by bigbird1125
[数据分析] 【求助】关于EDS光谱的问题 (2/560) sys0610 2011-04-05 2011-04-28 08:38:55 by dx109
【求助】做强度分析,鹅颈管的毛细管的位置如何确定? (1/211) 刘晶晶 2011-03-31 2011-04-27 19:34:54 by jambestwick
【求助】重结晶硫酸钾 (2/442) zhanghl123 2010-10-13 2011-04-27 18:19:02 by zhanghl123
纯化物质 (3/255) 773621842 2011-04-25 2011-04-27 18:13:02 by wlvolay08
[数据分析] GPC纵坐标的MV影响因素 (1/1582) xj1550 2011-04-27 2011-04-27 12:37:43 by herenren
[色谱质谱] 【求助】电喷雾质谱及其应用 (3/514) gzl861225 2010-09-28 2011-04-27 11:16:20 by gzl861225
求助帮忙分析一下核磁图谱 (0/182) jimin_y 2011-04-27 2011-04-27 11:10:49 by jimin_y
【求助】求助几张核磁谱图 (4/300) 朱婧雯 2011-04-12 2011-04-27 10:36:42 by 伊人醉
[分析前沿] [关贴]激光粒度分析仪的原理? (1/1051) wangwei51669 2011-04-26 2011-04-27 10:22:07 by dx109
[色谱质谱] 【求助】请问哪个牌子的移液管最精确? (7/2445) paperilov 2011-04-09 2011-04-27 10:18:34 by dx109
【求助】怎么配下面的缓冲液 (6/927) huangting1280 2010-07-04 2011-04-27 10:09:34 by 蕊1989
【求助】中药材提取问题 (4/1288) zhangxh9882 2011-04-11 2011-04-27 09:36:27 by pepperchen
[色谱质谱] 出现杂质峰时应该怎么积分 (4/1066) hebeilisbi 2011-04-26 2011-04-27 09:11:38 by lanfenglanyu
关于固体样品做氢谱的问题 (7/1095) cailianguo 2011-04-25 2011-04-27 08:01:50 by cailianguo
[数据分析] 【求助】DSC测试相变温度和相变潜热后的.001文件该怎么处理 (2/880) 冀安 2011-04-07 2011-04-26 20:49:24 by serene365
[色谱质谱] 为什么纳米盘总是无法下载啊 (2/287) jxnccsq 2011-04-19 2011-04-26 16:09:21 by zhengshuqin3
【求助】让日本人认可自己的方法 (金币≥1)(2/68) 408851978 2011-04-12 2011-04-26 14:57:31 by 408851978
[色谱质谱] 【求助】生物样品的HPLC分析    ( 1 2 ) (评阅+1) (11/1731) 416858594 2010-09-26 2011-04-26 14:49:06 by chaira
【求助】求助三甲胺标样浓度 (2/189) liangshijiao 2010-09-18 2011-04-26 14:47:03 by 对吻鱼
[色谱质谱] 【求助】waters系统软件的高效液相问题 (12/3439) 学员flZGKF 2011-02-15 2011-04-26 10:31:56 by zzwrwzhj
目前原子光谱分析领域研究最热的除了ICP-MS,还有什么?? (1/434) achust2009 2011-04-25 2011-04-26 09:21:55 by herenren
【求助】新手问题:一个化合物的红外分析 (1/151) ultrafrost 2010-10-22 2011-04-26 08:52:32 by ultrafrost
[色谱质谱] 【求助】气相色谱出峰很慢 (9/2934) 醉逍遥 2010-05-14 2011-04-26 08:19:05 by 醉逍遥
[色谱质谱] 哪里下载标准液相色谱图 (金币≥10)(0/39) zhangtao828 2011-04-26 2011-04-26 00:31:39 by zhangtao828
[其他分析] 【求助】热重分析 (金币≥1)(7/107) wendy326 2011-04-11 2011-04-26 00:21:32 by duklin
【求助】丙三醇的峰型大概是什么样的? (0/554) 倔强的小毛驴 2011-03-25 2011-04-25 23:30:00 by 倔强的小毛驴
[色谱质谱] 【求助】请教一个有关UPS的问题    ( 1 2 ) (10/1801) Archimedes 2010-10-13 2011-04-25 22:39:10 by Archimedes
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