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[色谱质谱] 【求助】液相色谱的柱压太高    ( 1 2 ) (10/2704) 大蓝猫5558 2010-10-26 2011-03-30 12:30:34 by tian0429
[色谱质谱] 【求助】HPLC测定样品问题,请教!!    ( 1 2 ) (11/2048) zhengysigu 2011-03-29 2011-03-30 12:09:57 by zhengysigu
【求助】原吸光谱法测定问题?谢谢. (1/204) laoyisng1122 2011-03-30 2011-03-30 11:50:50 by chengyi
[色谱质谱] 【求助】GC检测 内标物怎么做? (0/785) yzhlasiI 2011-03-30 2011-03-30 11:38:14 by yzhlasiI
【求助】样品检测过程中发现问题了? (0/158) hebeilisbi 2011-03-30 2011-03-30 11:36:56 by hebeilisbi
【求助】原子吸收测铅含量 (2/1609) wodeblue 2011-03-30 2011-03-30 11:21:11 by 风去无影
[色谱质谱] 【求助】PORAPLOT Q 色谱柱 分析CH4,C2H8,CH3OH,CH3OCH3 (0/738) tanghua8196 2011-03-30 2011-03-30 11:10:26 by tanghua8196
[色谱质谱] 【求助】液质联用 (7/1747) gzl861225 2011-03-26 2011-03-30 10:53:12 by gzl861225
【求助】原吸测定物质相关问题, 谢谢! (5/450) xibei1s985 2011-03-28 2011-03-30 10:44:42 by gexiaoyan
【求助】实验室用什么配制得到氟离子、溴离子和碘离子的溶液 (3/800) duminghui 2011-03-30 2011-03-30 10:43:00 by vaporj
【求助】pH计测定 (6/1349) 菠萝lulu 2011-03-29 2011-03-30 10:40:32 by gexiaoyan
[色谱质谱] 【求助】请求一问题 (1/218) wlnear 2011-03-30 2011-03-30 10:38:45 by 痴夷子皮
[色谱质谱] 【求助】丁二酸二异丙酯用什么气相检测条件好 (0/251) 学员vhvGrp 2011-03-30 2011-03-30 10:23:38 by qingfengwang
[色谱质谱] 【求助】氰基键合硅胶柱子与十八烷基硅烷键合硅胶柱有什么区别 (0/1824) wlsky 2011-03-30 2011-03-30 10:05:27 by wlsky
[其他分析] 【交流】学分析化学的做光学显微镜? (5/706) 墨狂 2011-03-04 2011-03-30 09:25:08 by 墨狂
[其他分析] 【求助】金相显微镜 (4/1521) 小妞flora 2011-02-21 2011-03-30 00:33:23 by yzl_279
【求助】求文献一篇,30金币 (6/709) xenophobe3868 2011-03-29 2011-03-30 00:15:00 by 丛佳
【求助】如果没有光谱纯的话,怎么处理一下分析纯的呢? (6/1219) laoyisng1122 2011-03-29 2011-03-29 23:43:37 by tian0429
【求助】跪求大牛指导红外光谱分析图谱 (5/1935) 飞鸟的天空 2011-03-17 2011-03-29 22:54:21 by yipaishi
【求助】Springlink 期刊杂志 Shaped Crystals,Growth by Micro-Pulling-Down Techni (金币≥50)(1/14) 348841697 2011-03-28 2011-03-29 22:29:35 by pplover
【求助】ICP求助 (6/779) wenwang 2011-03-29 2011-03-29 22:22:24 by 追风的蓝刺猬
【求助】尿素能溶解脂肪吗 (2/722) chenbill2002 2011-03-28 2011-03-29 22:20:28 by 追风的蓝刺猬
[色谱质谱] 【求助】不分流进样 (4/497) lxtfly 2011-03-29 2011-03-29 22:14:33 by 追风的蓝刺猬
【讨论】药物分析领域的顶级期刊杂志是什么 (0/3232) windskyboy 2011-03-29 2011-03-29 21:05:23 by windskyboy
【求助】求权威全面可直接下载的红外光谱课件!! (1/284) 如梦如烟 2011-03-24 2011-03-29 20:43:18 by suaixian
[色谱质谱] 【求助】质谱离子源求助 (1/664) andy236 2011-03-29 2011-03-29 20:02:28 by lanpishu23
【求助】仪器测定溶液配置问题,怎么办? (0/158) yujingschen 2011-03-29 2011-03-29 19:33:12 by yujingschen
【求助】请问红外光谱差谱因子如何选择,望高人指点,多谢! (0/273) 刑警的幸福生活 2011-03-29 2011-03-29 19:09:11 by 刑警的幸福生活
[关贴]【求助】文献求助一篇 悬赏10金币 (1/224) huawudream 2011-03-29 2011-03-29 18:47:30 by 风去无影
【求助】求助:习题答案 (1/316) zzy124 2011-03-29 2011-03-29 18:38:52 by 风去无影
【求助】溶液中氢键数量有没有仪器可以测量啊 (2/719) 天堂湘 2011-03-29 2011-03-29 18:27:53 by 天堂湘
【求助】药物含量检测问题,请教! (4/1075) serlisna 2011-03-24 2011-03-29 18:05:50 by serlisna
【求助】根据Woodward规则 算一下最大吸收波长 (4/703) xiaoping1107 2011-03-29 2011-03-29 17:47:39 by xiaoping1107
【求助】有关硅胶柱的装填和使用问题 (0/488) maxiaoyan84 2011-03-29 2011-03-29 17:43:51 by maxiaoyan84
【求助】紫外检测方法问题?吸光度在不断减小! (2/768) margersy113 2011-03-29 2011-03-29 17:12:03 by 痴夷子皮
【求助】求助:亚硫酸氢铵含量的测定国标方法 (0/1968) liu-sha 2011-03-29 2011-03-29 17:11:33 by liu-sha
【求助】合成新手求助关于分析方面的,谢谢 (7/815) xqb520 2011-03-29 2011-03-29 17:05:51 by 痴夷子皮
[色谱质谱] 【求助】请教蛋白质质谱 (2/305) fallmonkey 2011-03-29 2011-03-29 17:01:54 by fallmonkey
[色谱质谱] [关贴]【求助】质谱mild excitation techniques (0/177) 12lubing 2011-03-29 2011-03-29 16:25:30 by 12lubing
[色谱质谱] 【求助】关于hplc,各位兄弟救命啊~~~    ( 1 2 ) (12/1915) heroyan 2011-03-22 2011-03-29 16:21:23 by 1414671343
【讨论】喜树碱类化合物(伊立替康、拓扑替康、羟基喜树碱)容量法测定含量 (3/931) wuhuiwolf 2011-03-16 2011-03-29 15:24:13 by wuhuiwolf
【求助】测筛分,重复性为什么不好? (0/208) 刘晶晶 2011-03-29 2011-03-29 15:14:54 by 刘晶晶
[色谱质谱] 【求助】气相色谱溶剂与程序升温 (4/1202) lxtfly 2011-03-29 2011-03-29 15:08:15 by Renr
[色谱质谱] [关贴]【求助】谁的实验室有waters液相质谱,四元泵的? (3/628) shirley_lv 2011-03-29 2011-03-29 15:03:57 by laura汇
【求助】氧化锌灼烧至恒重 (2/3751) know19860907 2011-03-29 2011-03-29 14:51:07 by 甘雕岅珠
[色谱质谱] 【求助】样品分离出现问题了。请教大家! (1/241) hebeilisbi 2011-03-29 2011-03-29 14:50:23 by shesui
【求助】求助peylene苝的log Kow值 (金币≥1)(0/16) gady1103 2011-03-29 2011-03-29 14:40:20 by gady1103
【求助】求北京或杭州纯钙纯度分析 (0/129) chxmright 2011-03-29 2011-03-29 14:27:06 by chxmright
[色谱质谱] 【求助】ICPMS样品类型项下的CalBlk等缩写各自是什么意思呢?多谢。 (1/3807) bigwhitegood 2011-03-29 2011-03-29 14:09:26 by jinglh8288
[色谱质谱] 【求助】柱子分析样品问题,请教一下! (0/169) serlisna 2011-03-29 2011-03-29 13:45:29 by serlisna
[色谱质谱] [color=LimeGreen]求助】请问哪有waters2695液相色谱质谱仪?[/color] (3/913) shirley_lv 2011-03-20 2011-03-29 13:15:33 by zhchhxiaob
[色谱质谱] 【求助】请教甲烷、氩气、氮气混合气中甲烷气的测定方法 (20/3022) 我不是蜘蛛侠 2011-03-22 2011-03-29 12:47:50 by 我不是蜘蛛侠
[色谱质谱] 【讨论】肽的液相分离条件摸索 (3/536) wangqp0801 2011-03-28 2011-03-29 12:11:13 by zhuiyu_
【求助】光度法 显色剂 二硫代二安替比林甲烷( DTPM) 是什么呢 (0/712) 玣点点 2011-03-29 2011-03-29 11:16:04 by 玣点点
【求助】CuPc(酞菁铜)和富勒烯(C60)的吸收发射峰(截止3月31日) (0/292) horizon13 2011-03-29 2011-03-29 10:59:30 by horizon13
【讨论】大家好 (3/328) harwb 2011-03-28 2011-03-29 10:42:04 by harwb
【求助】三甲基溴化锍检测方法 (1/508) 小泉他爹 2011-03-28 2011-03-29 10:34:25 by 小泉他爹
[色谱质谱] 【求助】液质 流动相检测发现问题了? (9/2001) serlisna 2011-03-25 2011-03-28 23:30:47 by chiraler
【求助】请问这句话是什么意思。 (1/739) zhuguichi 2011-03-28 2011-03-28 22:53:32 by sence2010
[色谱质谱] 【求助】unbuffered water (0/684) lilia05 2011-03-28 2011-03-28 22:05:16 by lilia05
【求助】组胺水溶液的电离常数? (1/289) 0509026 2010-12-27 2011-03-28 21:43:52 by 0509026
【求助】红外光谱检测物质问题,请教大家!! (1/282) yujingschen 2011-03-28 2011-03-28 21:17:19 by yujingschen
[数据分析] 【求助】急求高手解题 (0/396) wenhailan 2011-03-28 2011-03-28 20:45:51 by wenhailan
[色谱质谱] 【通告】免费使用仪器———气相色谱质谱联用仪(安捷伦7890-5975) (评阅+2) (1/413) vhqm 2011-03-28 2011-03-28 20:44:05 by pangzier
【求助】在滴定铵根离子时怎样排除锌离子的干扰? (0/322) xinxinqi 2011-03-28 2011-03-28 20:34:30 by xinxinqi
[色谱质谱] 【讨论】毛细管电泳-电导检测用的是什么工作站? (0/116) zyzllover1 2011-03-28 2011-03-28 20:00:05 by zyzllover1
【求助】一种金属离子会变色的? (0/345) dageliumang 2011-03-28 2011-03-28 19:39:04 by dageliumang
[色谱质谱] 【求助】CIPAC中二氯喹啉酸的最新分析方法是哪一年发布的? (0/312) csliu2011 2011-03-28 2011-03-28 19:34:26 by csliu2011
【求助】求助ISO标准 (1/286) zhlrui 2011-03-28 2011-03-28 19:24:32 by shenjg63
【求助】50ml聚四氟乙烯反应釜和980nm激光器在哪里买的? (0/487) luckydoor 2011-03-28 2011-03-28 19:08:18 by luckydoor
【求助】化学题 (3/236) 吴勇鑫 2011-03-28 2011-03-28 18:39:55 by 吴勇鑫
[色谱质谱] 【求助】柱子样品测定 流动相相关问题? (3/610) margersy113 2011-03-28 2011-03-28 18:30:53 by 痴夷子皮
[色谱质谱] 【讨论】石油醚 (0/227) 呢呢 2011-03-28 2011-03-28 17:42:40 by 呢呢
【求助】壳寡糖检测 (金币≥100)(5/58) tiany2009 2010-07-13 2011-03-28 17:23:59 by 再顾青城
[色谱质谱] 【求助】填充柱固定液流失 (0/346) luner1803 2011-03-28 2011-03-28 17:20:56 by luner1803
[其他分析] 【讨论】有机酸盐粉末能否做扫描电镜看形貌 (0/192) shufeishu 2011-03-28 2011-03-28 17:14:43 by shufeishu
[色谱质谱] 【求助】请问下高手想用GC色谱的峰面积百分比做一个产物成分的趋势分析 (5/1731) as0075 2011-03-28 2011-03-28 16:41:36 by herenren
[色谱质谱] 【求助】请问国产的哪个牌子型号的柱温箱好 (0/1470) daweig2008 2011-03-28 2011-03-28 16:35:51 by daweig2008
【求助】二(2-呋喃)氯化膦的核磁磷谱峰出在哪里? (0/510) youhongxing0 2011-03-28 2011-03-28 16:31:53 by youhongxing0
【讨论】请问四氯化碳直接倒入下水道后果严重不? (1/1541) jinglh8288 2011-03-28 2011-03-28 16:25:28 by niuzixia
[色谱质谱] 【求助】菜鸟问题:样品成分复杂,例如含无机盐时,该怎样用气相色谱来测 (0/1250) xuyj1982 2011-03-28 2011-03-28 16:05:07 by xuyj1982
【求助】PP-15型pH计的使用及校正方法 (2/645) xiejie860601 2011-03-27 2011-03-28 15:55:06 by studentg
[关贴]【求助】请帮忙看一下这两个红外图谱 (1/310) seasea812 2011-03-28 2011-03-28 15:44:38 by pinguo
[色谱质谱] 【求助】HPLC停泵后压力回不到0 (22/3539) yanyun911 2011-03-14 2011-03-28 15:29:04 by 朝阳小狐狸
[色谱质谱] 【求助】ICPMS排液不再是均匀的了,怎么了? (5/856) bigwhitegood 2011-03-17 2011-03-28 14:45:46 by bigwhitegood
【求助】请问如何配置25mm/L硼砂-磷酸二氢钾(pH9.0)的缓冲液 (12/3239) caihong333 2011-03-13 2011-03-28 14:32:56 by caihong333
【求助】核磁共振谱图 (0/261) lvfuju 2011-03-28 2011-03-28 14:05:36 by lvfuju
[数据分析] 【求助】用origin做了标准曲线,能用该软件求出线性范围吗? (6/2056) arenaworld 2011-03-25 2011-03-28 13:55:38 by wenwubaohu
[色谱质谱] 【求助】梯度洗脱设置 (6/1441) wq8212 2011-03-21 2011-03-28 13:51:31 by wq8212
【求助】溶液成分分析 (2/350) 小蚂蚁07 2011-03-26 2011-03-28 13:49:59 by 小蚂蚁07
【求助】微弧氧化液中铝的含量测定 (0/439) digua1015 2011-03-28 2011-03-28 13:10:14 by digua1015
[色谱质谱] 【求助】正相柱与反相柱 (8/3043) guoyayun40 2011-03-27 2011-03-28 12:38:29 by jinglh8288
【求助】铜试剂 (1/720) l40502060226 2011-03-28 2011-03-28 12:24:31 by jinglh8288
[色谱质谱] 【求助】液相色谱长时间不用, (4/1604) duan74 2011-03-28 2011-03-28 12:21:27 by tian0429
【求助】样品化验的理化项目一般都有哪些?谢谢! (1/324) zhengysigu 2011-03-28 2011-03-28 12:21:02 by jinglh8288
【求助】国标法测定石油产品水分中,工业溶剂油用什么?又怎样脱水?急需!谢谢! (金币≥4)(2/38) mowen6688 2011-03-07 2011-03-28 12:15:23 by jinglh8288
【求助】脉冲吸附问题,脱附量比吸附量还多,请问是怎么回事? (0/222) feixiosng51 2011-03-28 2011-03-28 11:44:17 by feixiosng51
[分析前沿] 【求助】DNA三螺旋绑定剂 (1/267) 649251126 2011-03-21 2011-03-28 10:56:19 by 649251126
【讨论】有谁做过固体荧光吗? (4/1246) loveliangwei 2011-03-28 2011-03-28 10:50:46 by loveliangwei
[色谱质谱] 【求助】香草酸咖啡酸怎么分开啊 (0/236) cndddbeyond 2011-03-28 2011-03-28 10:28:51 by cndddbeyond
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