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    [热点] “人文社科而论,许多学术研究还没有达到民国时期的水平” 苏东坡二世 2026-02-25 刚刚
    [色谱质谱] 【求助】乙烯气相色谱分析问题    ( 1 2 ) (12/631) catalysis 2009-07-02 2009-07-08 22:49:26 by caixq
    【求助】色谱分离柱的选择 (2/132) kenncth 2009-07-02 2009-07-08 22:38:37 by kenncth
    [色谱质谱] 【讨论】BAP中毒了 急救中    ( 1 2 ) (13/695) yangfei7211 2009-07-02 2009-07-08 22:21:35 by eastpoint
    【求助】有关三维荧光光谱法的问题 (0/214) weiwei95 2009-07-08 2009-07-08 22:15:54 by weiwei95
    [色谱质谱] 【交流】求关于循环高效液相色谱的相关知识 (2/108) wangkai825 2009-07-08 2009-07-08 21:53:01 by uliya809
    [色谱质谱] 【求助】液相梯度洗脱问题 (5/348) zhoushiyu 2009-07-08 2009-07-08 21:49:22 by uliya809
    【求助】未知物纯度标定    ( 1 2 ) (12/1057) blueskyami 2009-07-06 2009-07-08 21:42:18 by blueskyami
    【求助】求助: 分析化学课件 (6/511) huang55755 2009-06-05 2009-07-08 21:33:22 by chi_quan
    【请教】金电极上固定半胱胺 (2/223) 奋斗前进 2008-10-19 2009-07-08 19:46:32 by quxilong
    【求助】请问,国内什么单位有超显微镜呢? (0/58) acksee 2009-07-08 2009-07-08 17:30:33 by acksee
    [其他分析] 求助!zeta电位测试! (4/446) settleryy 2009-03-09 2009-07-08 15:46:36 by duke-007
    [色谱质谱] 【讨论】DBT 的最大紫外吸收是多少?? (1/168) 一粒 2009-07-08 2009-07-08 15:34:53 by zhouqun34
    [色谱质谱] 【求助】GC-MS柱子老化问题 (5/672) sunnwenn 2009-07-08 2009-07-08 14:39:08 by sunny0221
    【求助】哌嗪酸的分析方法 (3/297) tanchem 2009-07-08 2009-07-08 14:39:04 by tanchem
    [其他分析] 【求助】无机物和有机物的混合物怎么定性有机物? (4/701) busketball 2009-07-08 2009-07-08 14:03:30 by pbx123456
    [色谱质谱] 【求助】如何定量分析失水山梨醇油酸酯中单酯、双酯、三酯的含量 (1/168) pbx123456 2009-07-03 2009-07-08 14:00:40 by pbx123456
    [关贴]求助,三个红外解谱 30 (5/514) lizhenlin 2009-03-11 2009-07-08 12:15:16 by lizhenlin
    【求助】木质素 纤维素的测定 2 (5/764) 小英 2009-07-07 2009-07-08 11:20:40 by lvgaojin
    [关贴]【求助】有关氧含量和氮含量测量仪器的原理 (1/134) weison 2009-06-29 2009-07-08 11:01:20 by weison
    有机物吸收紫外光的强弱 (评阅+1) (6/699) dapan11688 2009-05-05 2009-07-08 08:53:22 by wenjingcat
    [数据分析] 【求助】紫外-可见光谱数据处理问题 (4/680) mha 2009-07-06 2009-07-08 08:47:32 by zhangsibao
    [色谱质谱] 【求助】求助:液相单纯进流动相怎么还出色谱峰? (6/376) suyan 2009-07-07 2009-07-08 08:45:00 by wenjingcat
    【求助】对三聚氯氰和1,3,5三氯苯的标准图谱的疑惑 5 (5/441) tigger8376 2009-06-21 2009-07-08 08:30:00 by lijing_055
    求助药明康德《有机化合物的波谱解析 的习题解答 (2/520) gzl0613 2009-01-02 2009-07-08 05:59:44 by 308356ya
    [其他分析] 【求助】请教固体13C NMR 的归属问题 5 (0/78) gongchenliang 2009-07-08 2009-07-08 01:28:36 by gongchenliang
    400MHz 的核磁的400MHz具体指的是什么?    ( 1 2 ) (17/4294) baizewei 2009-04-20 2009-07-08 00:48:29 by prince_n
    【求助】如何测固体物质的酸度? (4/342) 阿峰8515 2009-07-05 2009-07-07 23:09:42 by 阿峰8515
    [版内事务] 【建议】分析版的家务事【外板免进】    ( 1 2 3 ) (评阅+52) (金币≥65534)(23/324) 分析版 2009-06-18 2009-07-07 21:45:55 by 分析版
    [色谱质谱] 【求助】求助:毛细管使用情况    ( 1 2 ) (14/529) ookklc 2009-07-02 2009-07-07 20:23:54 by wangzy999
    [色谱质谱] 【求助】电泳问题 (6/363) 蝶恋花9270 2009-07-07 2009-07-07 20:20:02 by wangzy999
    【求助】关于挥发酚 1 (1/146) Yanni7788 2009-07-07 2009-07-07 18:47:32 by 红颜
    [色谱质谱] 【求助】求助:.全二维气相色谱-时间飞行质谱联用 5 (0/170) LIYUANDONG 2009-07-07 2009-07-07 18:43:07 by LIYUANDONG
    【求助】想为学生设计一个鲁米诺与过氧化氢的化学发光实验 3 (9/764) fjcyt 2009-06-13 2009-07-07 17:20:08 by chenhch86
    [色谱质谱] 【求助】我想用色谱测水中的NHD,怎样富集呢 (9/321) foxinchany 2009-07-02 2009-07-07 16:15:22 by wanghaitao2656
    [色谱质谱] 【求助】怎么分马钱子碱和士的宁的????谢谢! (0/117) 母科比 2009-07-07 2009-07-07 15:46:18 by 母科比
    [色谱质谱] 【求助】液相色谱流动相    ( 1 2 ) (13/630) zhoushiyu 2009-07-06 2009-07-07 15:36:24 by zhangsibao
    [色谱质谱] 【求助】百草枯,LC-MS大家有做过吗? (2/147) lankywang 2009-07-06 2009-07-07 15:24:21 by lankywang
    [数据分析] 响应面分析中的中心因子和Box-behnken原则的区别 (4/936) zyugiec 2009-04-09 2009-07-07 15:24:01 by hcn1985
    【求助】请问谁用过或者见过康氏球? (2/125) zhaolijuan3011 2009-07-03 2009-07-07 15:07:33 by zhaolijuan3011
    【求助】请问百里香酚蓝-酚酞混合指示剂是怎么配?配好后是什么颜色? (4/1437) wit2009 2009-07-02 2009-07-07 15:07:33 by yunjun3
    【求助】0.005mol/L的硫酸标准液如何标定? (2/154) zhrd255 2009-07-06 2009-07-07 15:01:35 by yunjun3
    [色谱质谱] 【资源】三氟乙酸残留文献 (评阅+2) (0/118) athenaxue 2009-07-07 2009-07-07 14:26:53 by athenaxue
    [色谱质谱] 【求助】色谱基线出现锯齿状,该怎么办?    ( 1 2 ) (14/1239) zhaojunji06 2009-06-20 2009-07-07 14:23:18 by 蝶恋花9270
    [数据分析] 【求助】“关于HPLC-MS用于纯度分析”的问题请教 (2/204) workaholic6196 2009-07-06 2009-07-07 13:01:45 by workaholic6196
    请大家指教,1/2滴 1/4滴滴定怎么操作 (6/650) prochina 2008-10-12 2009-07-07 12:57:22 by 逍遥天使
    【资源】分析化学200问 (评阅+2) (4/287) bb8862519 2009-07-07 2009-07-07 12:35:02 by 逍遥天使
    【求助】XRD的标准图谱 25 (评阅-3) (2/144) lzhaohui 2009-07-03 2009-07-07 09:34:03 by lzhaohui
    【求助】磷谱分析 (2/791) scyi 2009-06-25 2009-07-07 09:24:58 by tfntfn88
    【求助】求一混合分离检测办法 7 (5/264) shbby 2009-07-06 2009-07-07 08:33:28 by mmeiying1023
    【求助】哪位DX知道四氢呋喃、乙酸乙酯在什么波长范围有紫外吸收 (5/1256) majun04 2009-07-05 2009-07-06 23:04:42 by smalllei
    【求助】关于尿样的前处理问题 2 (2/180) guiyi12 2009-07-06 2009-07-06 21:36:08 by 小小木船
    【求助】有机物的吸收光谱哪里可以查? 想查1,3,5-Benzenetricarboxylic acid (1/77) Kilor 2009-07-06 2009-07-06 20:10:25 by zxdno1
    [其他分析] 【求助】凝血酶标准品的问题 (0/110) 一物尘埃 2009-07-06 2009-07-06 19:57:00 by 庭庭
    【求助】如何鉴别苯、甲苯、环己烷及甲基环己烷 (7/2432) YUANDONG9397 2009-07-05 2009-07-06 16:43:41 by wmz800929
    [色谱质谱] 【求助】流动相的极性 (7/1243) wenningyang2006 2009-07-03 2009-07-06 15:49:44 by xhwy1998
    【求助】硫酸和乙酸的分析    ( 1 2 ) 1 (10/404) damoeagle 2009-07-01 2009-07-06 15:32:39 by damoeagle
    [色谱质谱] 【交流】相对回收率和绝对回收率问题? (3/559) blh3000 2009-06-24 2009-07-06 15:12:02 by 温馨9126
    【求助】无机酸的红外光谱 3 (1/89) lixiuzhi1985 2009-07-02 2009-07-06 14:12:56 by liangxf
    【求助】请教一个关于红外谱的问题! (3/310) ayzhjz 2009-07-01 2009-07-06 14:08:56 by liangxf
    [关贴]急求硅羟基封尾具体操作 (4/386) 柳成阴 2009-01-05 2009-07-06 14:07:25 by naren4545
    【求助】急求:怎么分析确定一个未知粉体的成分 (4/275) fxj23 2009-07-06 2009-07-06 14:05:06 by liangxf
    [色谱质谱] 【投票】一般液相故障排除 (评阅+2) (6/399) sdmxz 2009-07-04 2009-07-06 13:19:11 by lovesci
    [色谱质谱] 【求助】GC TCD检测器air leak fault 问题求助 2 (2/113) stonescj 2009-07-06 2009-07-06 12:11:54 by stonescj
    [色谱质谱] 【求助】丙酮二羧酸二乙酯的GC分析方法 (3/297) lishuiming 2009-07-06 2009-07-06 10:50:31 by lishuiming
    [关贴]求电子书《化学发光基础理论与应用》 (1/260) bingtree 2008-12-13 2009-07-06 10:49:26 by hhm991
    【讨论】醇的分析方法 (2/102) zhujiang163 2009-07-06 2009-07-06 10:33:43 by zhouqun34
    【求助】请教两个概念 (2/204) prince_n 2009-07-05 2009-07-06 10:23:38 by hxxxwj
    [色谱质谱] 【求助】求助: 我的液相色谱柱突然不出峰了    ( 1 2 ) (16/933) haoshunli 2009-07-02 2009-07-06 09:57:19 by ziluolan
    【求助】分析方法 (2/128) yiyue3312 2009-07-03 2009-07-06 09:33:39 by luomuwuhen
    [色谱质谱] 【求助】如何在有DMC的情况下分离三乙胺 (0/65) 小泡芬 2009-07-06 2009-07-06 09:22:15 by 小泡芬
    【求助】请问想配磷酸(盐)体系 (2/94) shyang 2009-07-04 2009-07-06 09:12:10 by shyang
    【求助】求助丙二酸含量测定方法? (3/1114) luomuwuhen 2009-07-04 2009-07-06 09:10:05 by 梅花01
    【求助】关于核磁氘代试剂的选择 (8/771) 微漠凉 2009-07-04 2009-07-06 08:57:56 by 微漠凉
    [色谱质谱] 【资源】高效液相色谱HPLC培训教程 (1/446) yyyyy0738 2009-07-01 2009-07-06 08:49:18 by zttbutterfly
    [色谱质谱] 【求助】求助高效液相色谱方面的PPT (7/712) tianhe917 2009-06-14 2009-07-06 08:46:31 by zttbutterfly
    [色谱质谱] 【求助】二甲醚相对于甲烷的相对摩尔校正因子是多少? 10 (0/149) lityut 2009-07-06 2009-07-06 08:39:59 by lityut
    [色谱质谱] 【求助】丙二酸紫外最大吸收? (2/149) luomuwuhen 2009-07-03 2009-07-06 08:01:39 by luomuwuhen
    [其他分析] 【求助】漫反射近红外线傅里叶变换分光计 (2/95) yinxiaoming817 2009-06-19 2009-07-05 22:37:26 by wingcat
    [数据分析] 【求助】DSC-TGA谱图如何分析? (0/272) olifor2010 2009-07-05 2009-07-05 22:28:10 by olifor2010
    【求助】镍离子的萃取分离 (4/170) sparrow5106 2009-07-03 2009-07-05 20:49:32 by sparrow5106
    【求助】请教关于酸碱指示剂的问题? 3 (3/263) 阿峰8515 2009-07-05 2009-07-05 16:44:33 by 阿峰8515
    [色谱质谱] 【交流】色谱质谱技术的核心知识是什么 (8/525) eastpoint 2009-07-01 2009-07-05 16:35:43 by eastpoint
    【求助】产品铁检测方法不同结果不同 (5/182) 梅花01 2009-07-03 2009-07-05 16:24:12 by wandrea
    【交流】谁知道这是分析啥呢 (4/225) netant000 2009-07-02 2009-07-05 15:19:55 by happy169
    【求助】如何除去dmf (2/180) lianliansuannai 2009-06-30 2009-07-05 14:06:32 by qwerasdf2783
    求助HNMR谱的理论问题    ( 1 2 ) (14/619) zcch 2009-05-05 2009-07-05 09:29:34 by zcch
    [色谱质谱] 气质联用    ( 1 2 ) (13/691) weihua1200 2009-05-21 2009-07-05 00:23:41 by lovesci
    [色谱质谱] 谁用过这个高效液相色谱柱Du Pont-Zorbax Rx-C18? 5 (3/225) wangmingguo 2009-05-20 2009-07-04 23:33:59 by wangmingguo
    [色谱质谱] [关贴]【求助】求气相色谱数据HW格式转换! (2/148) lyg0624 2009-07-04 2009-07-04 22:59:18 by lyg0624
    [数据分析] 【求助】γ=[jω(με)]/c这是传播因数公式吗?其中j、ω分别代表什么? 10 (2/71) 冬天6799 2009-07-04 2009-07-04 22:47:58 by 木子海
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