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[热点] 求助2,4-二氯-5-嘧啶甲醛的合成方法 光吃不拉 2026-05-20 刚刚
[色谱质谱] 请帮忙看看这个题对吗    ( 1 2 ) (11/1609) dd99835 2012-05-25 2012-05-29 10:05:52 by 32862500
【通告】稀土浓度检测 (13/1895) wuhailei88 2011-04-12 2012-05-29 06:42:50 by leno1003
[色谱质谱] 【求助】HPLC出峰时间为什么变了?    ( 1 2 ) (15/2656) tengzhuzhu 2010-08-31 2012-05-28 18:32:42 by yugijiang
[色谱质谱] 【讨论】液相色谱梯度洗脱怎么判断一个峰是不是一个物质? (6/1983) xiangjinle203 2010-09-19 2012-05-28 18:28:42 by yugijiang
[色谱质谱] 【求助】高效液相示差监测器能进行梯度洗脱吗?急,在线等~ (8/1348) albee1123 2010-08-19 2012-05-28 18:26:25 by yugijiang
[色谱质谱] 【求助】示差折光检测器不适合梯度洗脱 (15/4741) zhyang8385 2011-01-10 2012-05-28 18:25:38 by yugijiang
[色谱质谱] 图谱分析 (评阅+1) (2/425) 学员iOquLZ 2012-05-28 2012-05-28 16:15:05 by xbqewpq
[色谱质谱] 【讨论】想做液相 但不知道这样做行不行    ( 1 2 ) (15/1016) sfxuse 2010-09-30 2012-05-28 10:34:06 by wtianlong86
关于用微电泳仪测定油分散体系的zeta电位问题 (评阅+1) (0/654) 虾米2511 2012-05-28 2012-05-28 09:00:17 by 虾米2511
内酰胺试剂中的己内酰胺含量用什么方法检测 (评阅+1) (1/1145) yihuigreen 2012-05-25 2012-05-28 08:15:48 by yihuigreen
硫酸钡在1200度下能和三氧化钨反应不? (评阅+1) (1/583) know19860907 2012-05-07 2012-05-26 21:37:17 by ZBPJJ529810
荧光分光光度检测二酪氨酸遇到的问题 (2/397) chunhuichang 2011-07-19 2012-05-26 20:01:35 by chunhuichang
proof-of-concept experiment (0/1185) chen1201 2012-05-25 2012-05-25 20:57:50 by chen1201
目前用于抗蛋白吸附的材料有哪些 (评阅+1) (2/1420) asjiaoming 2012-05-23 2012-05-25 12:19:28 by hxp207
[色谱质谱] 大家看这样的标准曲线可以吗? (评阅+1) (8/3083) 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 ) (12/2180) zhenhans 2011-08-20 2012-05-25 08:30:39 by xbqewpq
[色谱质谱] 【求助】winnonlin的价格 (2/1882) ybq103 2010-10-02 2012-05-25 07:50:26 by ljw101708
求购一台手套箱,使用过的给点意见 (1/395) hxp207 2012-03-02 2012-05-25 07:13:14 by tank880365
[色谱质谱] 请问大家的标准曲线是怎么做的 (7/2374) yangfei7211 2011-08-13 2012-05-25 06:22:46 by yugijiang
原子吸收测胶囊中的铬,微波硝解的时候,胶囊用不用剪碎? (8/1422) kuandailin 2012-04-25 2012-05-24 21:25:43 by 跳舞的娃娃2906
[色谱质谱] 顶空条件中定量环温度和传输管线温度的影响 (4/3598) lvmin521 2012-05-22 2012-05-24 18:44:18 by 575885323
[色谱质谱] 【求助】HPLC的进样量问题 (9/2267) guoyayun40 2011-02-23 2012-05-24 18:30:31 by yugijiang
[分析前沿] 这样的荧光素衍生物怎么没有荧光? (0/370) bycb2005 2012-05-24 2012-05-24 17:52:27 by bycb2005
研究方向选择 (评阅+1) (4/507) yang16552 2012-05-21 2012-05-24 13:04:29 by yang16552
[色谱质谱] 氯化钠在210nm处在1.5min出峰 (评阅+1) (3/1912) 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 (3/1310) 2010平凡的人 2012-05-23 2012-05-24 10:18:31 by 2010平凡的人
[数据分析] 【求助】如何计算实验数据与已知方程的相关系数? (6/2252) wlzh0731251 2010-07-26 2012-05-24 07:40:45 by czbee
【求助】请教影响植物激素提取的因素 (2/433) netbaby 2010-05-07 2012-05-24 07:39:47 by netbaby
饮用水中二氧化氯现场测定仪,推荐一下,各家实验室用的牌子型号? (0/243) 理化室 2012-05-23 2012-05-23 16:50:55 by 理化室
【求助】锰矿石锰含量测定? (3/1488) antmmp 2010-06-26 2012-05-23 12:26:59 by li1234565787
[色谱质谱] 正十二硫醇色谱测定 (0/316) fude007 2012-05-23 2012-05-23 11:21:26 by fude007
【求助】扫描电镜前处理问题    ( 1 2 ) (11/2824) 有机男 2010-06-03 2012-05-23 10:56:40 by baipinbo
拉曼 石墨化 分峰拟合 (评阅+1) (0/717) 冰封的心11 2012-05-23 2012-05-23 08:43:59 by 冰封的心11
[色谱质谱] 【求助】请教液相色谱分离度与进样浓度的关系 (9/2760) 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 (6/1742) wanghj828 2010-08-03 2012-05-23 07:01:50 by yugijiang
[数据分析] 能浓缩到50g/L的纳米金粒子水溶液吗 (评阅+1) (0/466) tshangling 2012-05-22 2012-05-22 17:30:38 by tshangling
[色谱质谱] HPLC-ELSD (评阅+1) (5/875) xiaoshao051 2012-05-21 2012-05-22 16:01:59 by leywi
红外光谱测量时高聚物固体材料很难研磨成细小颗粒应如何处理? (2/4621) shdrhx 2012-05-19 2012-05-22 08:55:56 by longxinhubao
如何验证样品中的水分已经除尽? (评阅+1) (2/668) shdrhx 2012-05-22 2012-05-22 08:32:13 by wddmq
[色谱质谱] 【求助】这算什么异构体呢 (5/453) helloniu 2010-09-17 2012-05-22 08:03:19 by 催化的哈士奇
[色谱质谱] 【求助】请教一个质谱仪操作的问题    ( 1 2 ) (14/2575) annljan 2010-07-01 2012-05-21 19:53:31 by 1466822597
Oasis HLB 固相萃取小柱大家是重复几次使用? (2/1238) 静默听风起 2012-05-15 2012-05-21 16:46:26 by 八宝粥的
[色谱质谱] 关于梯度洗脱的疑问 (5/792) 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 (9/1624) superwheat 2011-03-23 2012-05-21 13:09:21 by WN-farseer
黄酮类化合物与类黄酮化合物的区别 (2/2051) 妞妞327 2012-05-18 2012-05-21 11:30:24 by 妞妞327
[色谱质谱] 请问质谱为什么要挑着打?这样科学吗? (6/1277) ht2yjfx 2012-05-18 2012-05-21 11:15:39 by ht2yjfx
[数据分析] 热分析FWO法 (0/1029) xiashiwei 2012-05-21 2012-05-21 09:26:52 by xiashiwei
[色谱质谱] 【求助】问几个液相问题。。。请大家帮助下。。。 (7/1181) magicalkl 2010-04-27 2012-05-21 06:18:02 by cindyccy1989
管式炉 (评阅+1) (6/958) know19860907 2012-05-08 2012-05-20 23:17:04 by stopis
酪蛋白磷酸肽 BSA (0/380) 844257726 2012-05-20 2012-05-20 17:36:38 by 844257726
[数据分析] 【求助】求助 (1/249) w0h0b6 2010-11-11 2012-05-19 07:51:38 by xiashiwei
【求助】ICP-AES测定高含量的P Mo V元素 (7/2205) huan0521 2010-10-14 2012-05-19 05:38:44 by happyjoys
【求助】原料药求购 (4/514) swlwin 2011-03-04 2012-05-19 01:07:00 by aigurumeng
表面活性剂 红外光谱仪 (0/291) haibo66878779 2012-05-18 2012-05-18 19:49:30 by haibo66878779
[数据分析] 【求助】RSD可以是 0%吗? (评阅+1) (34/10854) honesty8484 2010-12-29 2012-05-18 18:54:10 by hanyxin
【求助】水-乙醇-丙酮三元体系怎么分离 着重回收乙醇和丙酮 (比较经济的方法) (6/1617) wsljl1314 2011-04-09 2012-05-18 09:39:20 by 442745707
求助蒽酮在空气中会缓慢氧化成蒽醌的机理 (2/919) hightall1987 2012-05-17 2012-05-18 07:55:20 by hightall1987
[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 ) (21/2762) yxy8701 2010-04-30 2012-05-18 06:23:38 by 水果布丁ouc
元素需要测试百分含量,都需要什么仪器测试? (16/3423) society 2012-05-16 2012-05-17 20:21:46 by rouzhi
【求助】三大素的测量方法! (9/907) SYP881130 2009-11-18 2012-05-17 18:19:44 by wuj5108
[其他分析] 甜味 易溶于水的壁材 (4/398) gaq2010 2012-05-14 2012-05-17 13:36:04 by 嘉木
[关贴]二维NMR得到的图谱帮忙分析下!~ (3/518) keke1987 2012-05-14 2012-05-16 19:40:30 by keke1987
[色谱质谱] 子离子扫描时质量数加1 (0/457) 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? (5/1532) laoyisng1122 2011-03-19 2012-05-16 16:03:34 by zxwcn
化学类的综述哪个中文核心的杂志最容易中啊?    ( 1 2 ) (10/3088) yuzhongwo 2012-05-12 2012-05-16 11:13:10 by platto
液化气砷分析前处理方法 (2/555) 心禅 2012-05-15 2012-05-15 18:58:19 by clish
[色谱质谱] 大家用过硝酸银薄层层析么,还有硝酸银柱层析, (5/1795) yearhua 2011-10-10 2012-05-15 17:23:32 by zouqinghua
求助:NMR相位和基线调整 (0/1524) alyaqu 2012-05-15 2012-05-15 09:37:33 by alyaqu
请教基础知识:激发光谱和发射光谱呈镜像关系 (13/4113) dzf_dhx 2011-12-11 2012-05-15 07:37:18 by liufciomp
MestRe-C怎么样将三个谱图的ppm对其并且缩小范围?只想要5-10的范围。 (0/268) kakabala 2012-05-14 2012-05-14 16:18:21 by kakabala
[色谱质谱] IRE-2 辐射率的测试 (0/662) jesus_jiang 2012-05-14 2012-05-14 12:50:59 by jesus_jiang
[色谱质谱] 【求助】HPLC 检测样品一些问题,请教大家! (ACI+1)(8/2061) feixiosng51 2011-03-25 2012-05-14 11:53:38 by huangq816
[色谱质谱] [关贴]【求助】氨基甲酸酯的定量分析问题 (6/1467) txfkobe 2011-02-26 2012-05-14 11:43:41 by bjj0527
药品注册申报做资料采用的CTD格式 (0/743) belinda8669 2012-05-14 2012-05-14 11:19:09 by belinda8669
[其他分析] 【求助】血清样品哪里可以买到? (5/1442) 飘伶人 2010-09-19 2012-05-14 06:49:11 by yzy880115
研究方向是核磁在生物体系中的应用 以后出来好找工作吗? (评阅+1) (41/1745) Florita 2012-05-12 2012-05-13 19:46:14 by 吃虫少妇
【求助】BM-11型偏光显微镜操作说明书 (1/477) 化学工艺 2010-05-04 2012-05-13 18:37:12 by frfwork
硅胶柱活化问题 (评阅+1) (2/1920) nolan1011 2012-04-17 2012-05-13 07:40:36 by yoclzz
[色谱质谱] 糖类检测方案 (20/1107) zl1314 2012-05-10 2012-05-12 19:33:49 by jianhuilcn
[色谱质谱] 【求助】求助高速逆流色谱的原理 (4/1919) yanruo 2010-11-30 2012-05-12 07:38:13 by tiandi521
[色谱质谱] 【求助】气相色谱测定过程中发现问题了。怎么解决? (评阅+1) (4/1027) serlisna 2011-04-03 2012-05-12 06:47:41 by 秋水-西瓜
[其他分析] 【求助】分析化学专业(电分析方向)就业 (8/1738) loginst03 2011-01-16 2012-05-11 19:24:53 by liangliang88
[色谱质谱] GC-MS 正构烷烃 分析条件 (4/1590) 雨在风中斜 2011-11-22 2012-05-11 12:41:55 by yadxych
[色谱质谱] 岛津液相的进样器中两个六通阀的工作原理    ( 1 2 ) (13/4171) zhengxim 2011-07-14 2012-05-11 12:00:23 by vermouth325
【求助】溶剂油是什么啊? (1/481) 20807148 2010-11-14 2012-05-11 08:29:12 by 1295754863
【求助】如何测定溶液中二价铁离子和三价铁离子的量? (4/1994) youwasd 2010-12-10 2012-05-11 08:15:08 by zuijiudemao
[色谱质谱] 关于是否用流动相配样的问题 (5/1136) helious 2012-05-10 2012-05-11 08:13:50 by helious
分析化学专业能用园二色谱仪做些什么研究    ( 1 2 ) (12/2177) 涟漪108 2011-09-20 2012-05-11 04:50:17 by chaijudi
[版块活动] [关贴]《分析版》LOGO评选结果公示    ( 1 2 ) (评阅+5) (12/1513) lihongyan424 2012-05-06 2012-05-10 23:04:37 by 李国达
络合铜属于可溶性铜吗 (2/1835) 阿迪没烦恼 2012-05-08 2012-05-10 20:23:12 by lifucheng
求助:各位好友帮我分析下红外 (0/198) huasheng1 2012-05-10 2012-05-10 17:19:38 by huasheng1
土壤中脂肪酸内标法定量问题 (评阅+1) (0/186) 674876157 2012-05-10 2012-05-10 15:11:56 by 674876157
[色谱质谱] 【交流】做色谱质谱方面的投稿的话都会选择哪些杂志呢? (4/727) yunmeng6001 2010-11-30 2012-05-10 14:05:08 by 674876157
[色谱质谱] 乙烯胺类色谱柱选择 (4/1006) 465404930 2012-05-07 2012-05-10 13:11:32 by 465404930
[色谱质谱] 岛津LC20A泵脱气和进样针排气的问题 (4/1792) rainbow_zyt 2012-05-07 2012-05-10 08:48:10 by sunxiaoyang010
[数据分析] 【求助】请教XPS分峰,重谢! (4/1668) easyer 2010-11-21 2012-05-10 07:46:31 by 1017760933
[分析前沿] 慕尼黑分析生化展---分析化学行业的盛会! (0/504) wonder2002 2012-05-09 2012-05-09 20:28:08 by wonder2002
[色谱质谱] 大家遇到名杂志上重复不了的文献会怎么看待?    ( 1 2 ) (14/2355) 本本稻草 2012-05-08 2012-05-09 19:24:50 by soundhorizo
SERS,待测分子距离银基底表面多远比较合适 (评阅+1) (2/537) 11900490 2012-05-08 2012-05-09 19:02:32 by 11900490
[色谱质谱] 求TD-1型热解析仪使用说明书 (0/875) zengyunshi 2012-05-09 2012-05-09 17:29:42 by zengyunshi
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