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[热点] 为什么nbs上溴 没有产物点出现呢 棉花糖骆驼 2026-01-24 刚刚
【求助】聚苯乙烯磺酸钠(PSS)的红外光谱是什么 (0/2317) yhy6340 2011-02-28 2011-02-28 19:53:33 by yhy6340
[其他分析] 【讨论】吸附脱附仪,麦克仪器or拜尔仪器 (0/645) nichael1985 2011-02-28 2011-02-28 19:07:33 by nichael1985
【求助】ICP的数据分析判定及日常维护(如积炭等的处理) (3/1153) 钟韦桑 2011-02-26 2011-02-28 18:55:32 by swordgang
【求助】测定标准品含量的方法 (1/376) 1414671343 2011-02-28 2011-02-28 18:42:59 by 1414671343
[分析前沿] 【求助】普通等电聚焦是怎样的 (0/379) creepon 2011-02-28 2011-02-28 18:41:37 by creepon
[色谱质谱] 【求助】气相仪器样品检测问题?谢谢!!! (0/307) yhongsw 2011-02-28 2011-02-28 17:53:23 by yhongsw
[色谱质谱] 【求助】请教前辈们安捷伦1100二元泵和四元泵是什么意思? (4/2236) zhanghanxiao 2011-02-24 2011-02-28 17:49:08 by zhanghanxiao
[色谱质谱] [关贴]【求助】mug/kg 是什么单位 (2/5020) luoyanbo 2011-02-28 2011-02-28 17:14:32 by Dr_Jesse
【求助】混合气体中各气体成分的分析,请各位高手指点啊。。 (1/513) xianyun329 2011-02-28 2011-02-28 15:48:54 by herenren
【讨论】无定形化合物 一般用什么方面测试含量 (0/1547) ryp1201 2011-02-28 2011-02-28 15:44:58 by ryp1201
【求助】液相检测 氘灯出现问题了?求解决? (6/1328) kittyharuf 2011-02-26 2011-02-28 14:56:17 by kittyharuf
[色谱质谱] 【求助】HPLC 流动相分析相关问题?? (4/1027) huaaduo 2011-02-25 2011-02-28 14:48:03 by wlhg2011
【交流】工业丙酮含水量 (7/1488) 天一生水96 2011-02-28 2011-02-28 14:16:38 by herenren
【求助】标准回收 (1/179) ttrh21986 2011-02-27 2011-02-28 14:16:04 by yjquhunan
【求助】原吸仪器 操作检测问题?? (1/235) xuzhexins0 2011-02-28 2011-02-28 14:11:31 by yjquhunan
【求助】FA2204B型号电子分析天平如何矫正(完整些) (3/476) 新手8817 2011-02-24 2011-02-28 13:48:33 by 新手8817
[色谱质谱] 【求助】HPLC 仪器系统出现问题了??    ( 1 2 ) (10/1321) bnuliysuan 2011-02-26 2011-02-28 13:44:11 by 小醇醇
【求助】红外谱图分析 (6/863) chengziww8866 2011-02-25 2011-02-28 13:34:51 by zerohead
[其他分析] 【求助】请教药典理化性质试验问题 (2/506) 胖胖儿 2011-02-27 2011-02-28 12:09:53 by 胖胖儿
【求助】请问如何快速分析直馏石脑油中的PONA组成呢?不限于使用色谱 (0/491) nashhengshui 2011-02-26 2011-02-28 12:07:11 by nashhengshui
[其他分析] 【求助】葡萄糖酸钙或葡萄糖酸锌国标中关于还原物的测定 (1/534) llp5082 2011-02-28 2011-02-28 11:20:29 by ssewr
【求助】仪器标定校准培训事宜 (0/92) 森西罗 2011-02-28 2011-02-28 11:16:43 by 森西罗
[其他分析] 【求助】乙烯基吡啶含量测定 (0/145) xiaohuaidan 2011-02-28 2011-02-28 11:07:59 by xiaohuaidan
[色谱质谱] 【求助】请教:液相样品 分析检测问题?? (3/1037) huaaduo 2011-02-27 2011-02-28 11:05:42 by kandengren
[色谱质谱] 【求助】求助!!100%水冲C18柱子问题! (5/2249) totojuly 2011-02-23 2011-02-28 11:01:57 by shyron
【求助】求助关于比表面积的文章 (1/229) conan281 2011-02-27 2011-02-28 10:54:08 by mrzhou2000
[关贴]【求助】求助查尔酮合成酶活性测定 (2/493) 求学无止境 2010-06-12 2011-02-28 10:49:29 by fu108042
【求助】顺序提取方法 (0/300) yuanjian_1 2011-02-28 2011-02-28 09:51:02 by yuanjian_1
[色谱质谱] 【求助】光谱检测出现问题?怎么办?? (0/184) yhongsw 2011-02-28 2011-02-28 09:39:27 by yhongsw
【求助】用0.01mol/LKOH乙醇标准溶液标定0.01mol/L盐酸乙醇溶液 (4/1449) zouxy 2011-02-23 2011-02-28 09:14:47 by zouxy
【求助】用xpert highscore 分析xrd图像的问题 (0/270) fresh_022 2011-02-28 2011-02-28 08:53:05 by fresh_022
【求助】分离度 (9/1617) someday1985 2011-02-27 2011-02-28 08:28:36 by 纯婧的天空
[色谱质谱] 【求助】气相色谱标定 (11/729) lan1987 2011-02-21 2011-02-28 08:17:18 by shyron
【求助】求助:要想检测氢气纯度为99.9995%,请问用什么检测仪检测? (7/1999) 小熊松 2011-02-24 2011-02-28 07:15:32 by ymw520
[关贴]【讨论】关于ICP测高纯度无机盐的纯度时,由杂质含量推算主含量的问题? (6/1660) 兰清芷秀 2011-01-18 2011-02-28 00:46:02 by shyron
【讨论】原花青素定性方面的 (2/452) 311张 2011-01-07 2011-02-27 23:56:32 by shyron
[色谱质谱] 【求助】求C18合成方法 (1/314) shuyaping 2011-02-27 2011-02-27 23:41:57 by shyron
[色谱质谱] 【讨论】接0.18u色谱柱技巧 (6/889) 痴夷子皮 2011-01-15 2011-02-27 22:37:28 by 1414671343
【求助】如何让叔丁基溴中的溴完全转变成溴离子,不用碱的i情况下? (4/563) kjwei 2011-02-27 2011-02-27 20:44:27 by 教主夫人
[色谱质谱] 【求助】梯度洗脱,不上样都为什么都会出这么多的峰?    ( 1 2 ) (13/1566) xukun1176 2011-02-26 2011-02-27 19:15:04 by pplover
【讨论】ICP直接进样 (7/757) lingling5251 2011-01-11 2011-02-27 15:14:18 by hezhaoyou
[色谱质谱] 【求助】样品测定问题?请教大家!! (5/843) kittyharuf 2011-02-26 2011-02-27 14:52:52 by kandengren
[色谱质谱] 【求助】请教:样品测定 浓度问题?谢谢!! (3/748) yhongsw 2011-02-20 2011-02-27 14:27:48 by yhongsw
[色谱质谱] 【求助】求助各位:色谱、蒸馏、萃取共同的热力学基础是什么?它们各自的特点? (1/238) kiss_the_rain 2011-02-27 2011-02-27 12:58:36 by xjuwq
[色谱质谱] 【求助】急!请问带糖基的分子可以做哪种高分辨质谱? (4/486) nanose7en 2011-02-22 2011-02-27 12:55:55 by wjlcc
【交流】甘油三酯的分析方法 (1/332) agirljiang 2011-02-27 2011-02-27 12:21:24 by 西湖醉鱼
【讨论】谈谈自己论文思路示意图都是怎么制作的! (2/1826) 09gmzhang 2011-02-27 2011-02-27 10:46:21 by fever366
[色谱质谱] 【求助】求“色谱中英文双语课件” (0/98) 不太冷190 2011-02-27 2011-02-27 10:45:34 by 不太冷190
【求助】求助:X射线能谱图和X射线光电子能谱图,区别 (0/764) kiss_the_rain 2011-02-27 2011-02-27 10:42:16 by kiss_the_rain
【求助】愁女子有一问题相求各位高人! (8/928) junnis 2011-01-12 2011-02-27 10:31:50 by junnis
【求助】气相样品检测问题?? (2/284) bnuliysuan 2011-02-26 2011-02-27 08:41:31 by VENSTER
【讨论】选取内标物 (6/1179) 玉泉永流 2011-02-26 2011-02-26 21:57:09 by 80年后
[关贴]【求助】确定无机化合物到底是什么 (3/416) caijj09 2011-02-24 2011-02-26 21:47:26 by caijj09
【求助】怎么除去溶液中的离子对试剂 (0/253) disil 2011-02-26 2011-02-26 21:26:38 by disil
【求助】通常来说,基团的百分含量在多少以下红外上是检测显示不出来的? (0/578) michaeldi 2011-02-26 2011-02-26 20:30:33 by michaeldi
【讨论】高效液相色谱测的图应该叫图谱还是谱图?    ( 1 2 ) (10/3365) 568268771 2011-02-25 2011-02-26 20:14:24 by yangjl7602
【求助】相容性试验 (0/387) 森西罗 2011-02-26 2011-02-26 17:02:34 by 森西罗
[数据分析] 【求助】关于验证检验方法 (9/1548) 狐狸姐姐 2011-02-23 2011-02-26 15:04:30 by kandengren
[色谱质谱] 【求助】液相仪器 分析方法检测问题?? (0/135) yhongsw 2011-02-26 2011-02-26 15:02:27 by yhongsw
[色谱质谱] 【求助】物质成分的名称 (0/145) 383496411 2011-02-26 2011-02-26 13:56:59 by 383496411
[色谱质谱] 【求助】如何分析这张二烯丙基醚的MS图啊,我不会看啊?请大家帮我分析下啊 (2/802) yinchen001 2011-02-26 2011-02-26 13:47:41 by 383496411
[色谱质谱] 【求助】样品含量测定,用什么柱子好? (0/201) yhongsw 2011-02-26 2011-02-26 11:04:01 by yhongsw
[色谱质谱] 【求助】Boduszynski model (0/158) VChang 2011-02-26 2011-02-26 10:55:49 by VChang
[色谱质谱] 【求助】请问,该如何排除液相检测器中的气泡呢? (3/1276) xukun1176 2011-02-25 2011-02-26 10:08:26 by kandengren
【求助】帮忙识图红外谱图---十万火急 (17/2026) shxin5 2011-02-17 2011-02-26 09:59:54 by shxin5
[色谱质谱] 【求助】急~~~~请大家帮忙看看这台液相是怎么了!!! (9/1633) xukun1176 2011-02-22 2011-02-26 09:41:58 by 风来风去
【求助】癸酰乙醛能用HPLC分析吗 (0/570) lyoen 2011-02-26 2011-02-26 08:49:44 by lyoen
【求助】过氧化氢稳定度的测定 (0/280) 梦青诗 2011-02-26 2011-02-26 08:29:48 by 梦青诗
[分析前沿] 【求助】检测金属元素在细胞内各个器官的分布,该用什么仪器? (0/366) 溪儿维娅 2011-02-26 2011-02-26 01:32:27 by 溪儿维娅
【求助】癸二酸二异丙酯的分析 (金币≥5)(1/21) 408851978 2011-02-25 2011-02-25 22:28:59 by oxygen7341
【求助】请教:原吸仪器样品测定问题?? (3/920) huaaduo 2011-02-23 2011-02-25 22:15:35 by wmj31
[色谱质谱] 【求助】飞龙掌血内酯的二级质谱断裂 (1/201) helloniu 2011-02-25 2011-02-25 21:55:11 by helloniu
【讨论】求一句话翻译 (1/157) amney 2011-02-25 2011-02-25 21:11:31 by 西湖醉鱼
[色谱质谱] 【求助】进流动相时,在主峰的出峰位置有个小峰,不知该怎么解决 (2/477) 冷雨孤风 2011-02-25 2011-02-25 20:35:10 by 冷雨孤风
[其他分析] 【其他】干燥失重105℃能把乙酸烘掉吗? (7/1291) sdwh2010 2011-02-25 2011-02-25 19:57:16 by joe1519
【求助】这俩道题怎么做 (9/1964) ss8566 2011-02-25 2011-02-25 19:55:27 by ss8566
[色谱质谱] 【资源】制备色谱技术与操作及实验经验【已搜索无重复】    ( 1 2 3 4 5 ) (+17.5) (评阅+2) (49/2763) wzh414 2009-12-04 2011-02-25 18:29:26 by yahubibi
[色谱质谱] 【求助】高效液相色谱应该至少多长时间运行一次    ( 1 2 ) (评阅+1) (15/4865) wonderlinlin 2011-01-18 2011-02-25 17:29:31 by shyron
[色谱质谱] 【求助】高效液相色谱仪器的操作方法 (2/296) 漂流瓶520 2011-02-24 2011-02-25 17:27:36 by shyron
【求助】吸光度与浓度 (2/907) dyang0219 2011-02-25 2011-02-25 17:15:04 by sarrn
[其他分析] 【求助】晶体取向测定 (3/541) yangchubin 2011-02-25 2011-02-25 17:14:37 by shyron
[色谱质谱] 【讨论】有关物质和含量测定的LOD/LOQ问题 (3/1447) 月追影 2011-02-25 2011-02-25 17:00:48 by shyron
【求助】今天发现四丁基氢氧化铵结晶了 (1/4376) wph2000 2010-02-03 2011-02-25 16:57:29 by hfcool
【求助】哪个在武汉的能帮我做个XRF的压片啊! (6/741) 学员QzmDCs 2011-02-20 2011-02-25 16:38:03 by q87661236
【求助】毛细管电泳 间接紫外 急请教! (1/400) lanxiaomai 2011-02-23 2011-02-25 16:00:24 by 女巫的小木屋
[色谱质谱] 【求助】这个物质我该怎么用液相色谱分析    ( 1 2 ) (16/1313) xiaozhu_4023 2011-02-23 2011-02-25 15:55:59 by xiaozhu_4023
[色谱质谱] 【求助】87H液相色谱柱问题 (2/580) niuyufei1982 2011-02-24 2011-02-25 15:52:55 by niuyufei1982
【讨论】石墨烯有没有紫外吸收 (3/670) 09yschen 2010-12-29 2011-02-25 15:24:04 by haohaolzu
[色谱质谱] 【求助】液相色谱要分离葡萄糖跟葡萄糖酸有什么好的方法? (0/625) happyooo 2011-02-25 2011-02-25 15:21:52 by happyooo
[色谱质谱] 【求助】液相样品分析问题!请教大家!! (0/149) bnuliysuan 2011-02-25 2011-02-25 14:34:51 by bnuliysuan
【求助】hplcf分析药物怎样除掉杂峰? (7/903) 123xiejiaq 2011-02-24 2011-02-25 14:34:39 by tyh2004157
[色谱质谱] 【求助】液相 流动相含量测定问题?谢谢!    ( 1 2 ) (18/1492) xuzhexins0 2011-02-24 2011-02-25 14:21:40 by tyh2004157
【求助】出现倒峰是怎么回事 (金币≥10)(6/72) shrily 2011-02-24 2011-02-25 14:13:41 by kx2599
【求助】pka的计算 (2/436) houjiting 2011-02-25 2011-02-25 14:05:37 by houjiting
【求助】盐酸羟胺和高锰酸钾的反应方程式是如何进行的 (0/3718) 萧华2751 2011-02-25 2011-02-25 11:34:32 by 萧华2751
【求助】安捷伦棕色样品瓶清洗 (2/784) mljhfx 2011-02-24 2011-02-25 11:07:27 by mljhfx
[其他分析] 【求助】溴乙酸在乙腈的溶解度如何及内容里的问题 (0/395) tong5251 2011-02-25 2011-02-25 10:17:22 by tong5251
【求助】请教:废水监测中 测定总铬发现问题了?? (0/344) yhongsw 2011-02-25 2011-02-25 09:54:50 by yhongsw
[色谱质谱] 【求助】HPLC知识求助 (3/343) shuyaping 2011-02-24 2011-02-25 09:54:24 by yaqian123
【求助】仪器设备可行性报告 (3/673) 小妞flora 2011-02-25 2011-02-25 09:46:07 by lovewalle
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