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[热点] 职称评审没过,求安慰 最喜小儿无赖 2025-12-28 刚刚
[实验技术] [已完结]希夫试剂为什么老配不成无色 (0/2443) hwh917 2011-09-30 2011-09-30 10:25:22 by hwh917
[实验技术] [关贴]全波长扫描——疑问 (7/1009) 624245076 2011-09-29 2011-09-29 19:27:24 by liuyufei3087
[实验技术] [已完结]beta-二酮制备的最后一步 (0/202) diug 2011-09-29 2011-09-29 16:01:53 by diug
[实验技术] [已完结]玻璃反应器耐碱腐蚀吗? (7/1609) hanks2010 2011-09-17 2011-09-29 11:55:41 by 905735062
[实验技术] [已完结]ICP-MS(XSETIES 2 型号) 测定铱 (1/539) lina1314440 2011-09-28 2011-09-28 11:22:43 by swordgang
[实验技术] [已完结]求助一个长单晶的问题 (6/572) xlchem 2011-09-17 2011-09-21 22:13:17 by xlchem
[实验技术] [已完结]请教下化学实验流程图的绘制 (5/2295) wpybird 2011-09-01 2011-09-21 09:24:06 by lxf3380
[实验技术] 紧急求助~大家帮帮忙! (3/462) 454106649 2011-09-19 2011-09-19 19:21:22 by 优雅转身
[实验技术] [已完结]PH5.5的磷酸缓冲液如何配制 (1/697) 汪汪秀 2011-09-19 2011-09-19 10:54:39 by chaijudi
[实验技术] 溶液配制 (5/455) jialing1778 2011-09-14 2011-09-15 19:22:42 by 西西很可怜
[实验技术] [已完结]关于EDTA (3/642) saint511 2011-04-19 2011-09-15 17:37:28 by chaijudi
[实验技术] [已完结]钼酸铵((NH4)6Mo7O24·4H2O)常温下的溶解度是多少 (3/4427) zhu3san 2011-09-08 2011-09-10 16:39:03 by blazebllizard
[实验技术] [已完结]急,求助,帮我看看这个仪器的名字 (5/792) 327773754 2011-09-01 2011-09-08 15:51:16 by blazebllizard
[实验技术] [已完结]溴化银薄膜 (0/341) lingl.pku 2011-09-07 2011-09-07 14:54:00 by lingl.pku
[实验技术] [已完结]高浓度的氨(>1000mg/l)有什么方法可以直接测定吗? (3/484) ichandihr 2011-09-07 2011-09-07 13:49:12 by blazebllizard
[实验技术] [已完结]求助了啊 过氧化氢水溶液遇到明火会爆炸吗? (8/2586) JINCHENHAO 2011-09-06 2011-09-06 21:50:35 by 西西很可怜
[实验技术] 寡糖除盐 (8/770) SAI_光 2011-09-05 2011-09-06 17:33:29 by lwb-cpu
[实验技术] [已完结]SiO2与硅烷偶联剂的反应 (3/1916) 倪好 2011-07-13 2011-09-01 13:08:50 by zhouxuannj
[实验技术] [已完结]linux 里面输入反斜杠变成大写的W 怎么解决 (0/1646) lren 2011-08-31 2011-08-31 21:22:42 by lren
[实验技术] [已完结]酸性格兰K (1/2026) ninglily 2011-08-29 2011-08-31 10:13:21 by chaijudi
[实验技术] [已完结]重结晶方面的问题 (6/970) nimol 2011-08-21 2011-08-26 11:20:45 by 枫菱飘落
[实验技术] [已完结][关贴]求助一种促进吸收的装置 (1/225) liqilinlg 2011-08-24 2011-08-24 21:44:39 by 西西很可怜
[实验技术] [已完结]氢氧化铁比氢氧化铬容易形成矾花的原因?? (2/729) cooker123 2011-08-24 2011-08-24 12:08:42 by cooker123
[实验技术] 【求助】测定活性炭亚甲基蓝吸附值的国标方法 (2/1654) 孟婆给碗汤 2011-04-01 2011-08-23 13:28:35 by bhj128128
[实验技术] [已完结]氨水稀释问题 (8/2274) 花落流水 2011-07-14 2011-08-19 20:37:00 by 优雅转身
[实验技术] [已完结]缓冲液的使用量怎么确定的 (3/1450) srxbh 2011-08-19 2011-08-19 20:28:44 by 优雅转身
[实验技术] [已完结]如何除去沥青中的萘 (3/571) tommyhan 2011-08-17 2011-08-18 16:38:07 by blazebllizard
[实验技术] [关贴]【求助】茶皂素的提取与分析纯化,新工艺? (1/486) xmc55210 2011-03-10 2011-08-15 11:00:18 by lijie5608
[实验技术] [已完结]如何配制pH5的磷酸氢二钠甲醇液 (4/1351) jingeanny 2011-07-23 2011-08-13 08:32:32 by chxjdl
[实验技术] 抽滤含水无水硫酸钠    ( 1 2 ) (12/2799) yayou10 2011-07-21 2011-08-02 20:57:21 by yayou10
[实验技术] [已完结]请教文献中试剂使用量的表述 (5/925) greatcake 2011-07-09 2011-08-02 13:40:52 by jayzhao520
[实验技术] [已完结]回流 (4/981) wst129 2011-07-21 2011-07-22 10:33:36 by kaimi12
[实验技术] [已完结]缓冲溶液的PH会随溶液的浓度变化吗 (7/2884) 阿秋 2011-07-18 2011-07-22 09:22:43 by 贾斯汀
[实验技术] 【交流】重结晶技术    ( 1 2 ) (评阅+3) (19/2771) war3202063 2010-11-27 2011-07-22 08:32:13 by chxjdl
[实验技术] [已完结]大家帮忙看下这个溶液中可能含有那些物质? (5/1399) hllcrj 2011-07-20 2011-07-21 15:48:29 by zhan031
[实验技术] [已完结]光刻机机械对准的原理 (0/1196) jcwang 2011-07-20 2011-07-20 22:05:07 by jcwang
[实验技术] [已完结][关贴]实验室制备锌锰铁氧体方法求助 (金币≥8)(5/94) 09化学生 2011-07-08 2011-07-20 09:42:07 by zhan031
[实验技术] 【交流】液相法做面粉和大米粉中甲醛次硫酸氢钠的疑问 (1/458) liyanmei1126 2011-02-01 2011-07-19 20:34:24 by woonear
[实验技术] [已完结]CuSO4是否可以溶解于DMSO? (1/798) frank_zhan 2011-07-18 2011-07-18 16:46:29 by 无效神
[实验技术] [已完结][关贴]关于分液漏斗的问题    ( 1 2 ) (15/2439) sxh9911 2011-07-14 2011-07-15 09:16:13 by xjkgmj
[实验技术] [关贴]沃凯以及HPLC到底是什么纯度啊? (1/1384) greatcake 2011-07-12 2011-07-12 23:16:52 by t13340033021
[实验技术] 【求助】怎样把胶体中的溶剂分离出来? (17/2733) 莫小米 2011-03-10 2011-07-11 10:36:21 by zhan031
[实验技术] [已完结]求助:碘酸钠回收 (5/765) lsnow99 2011-07-02 2011-07-08 21:42:40 by lsnow99
[实验技术] 硝酸钙 (金币≥4)(8/63) 木木621225 2011-07-04 2011-07-07 18:49:51 by 嘉敏
[实验技术] 【求助】求助0.1M PH8.3硼酸缓冲液含0.3MNacl配制? (1/2841) qingpeiyou 2010-05-10 2011-07-04 09:25:24 by 孔静
[实验技术] [已完结][关贴]水泥粉磨 (ICEPI+1) (金币≥1)(5/65) bettyzhuce 2011-07-02 2011-07-03 17:08:39 by yxdlm
[实验技术] [已完结][关贴]怎样处理冷凝回流时浓盐酸挥发问题 (1/3606) nierfu 2011-06-29 2011-07-02 18:36:45 by 嘉敏
[实验技术] [已完结][关贴]蒽酮-浓硫酸溶液正常是什么颜色? (3/4493) kingkocxr 2011-07-01 2011-07-01 19:53:12 by kingkocxr
[实验技术] [已完结]溶液中尿酸盐怎样鉴别?请高人赐教。 (2/506) 飘逸bill 2011-06-23 2011-07-01 08:24:32 by 飘逸bill
[实验技术] [已完结]氧化镁和盐酸反应有絮状沉淀 请问有知道原因的吗? (8/2194) life123 2011-06-23 2011-06-28 07:39:47 by life123
[实验技术] [已完结]总酸的测定 (7/894) tiamo6089 2011-06-25 2011-06-27 08:38:40 by 408851978
[实验技术] [已完结]请问0.005mol/L硫代硫酸钠溶液的因数是多少? (1/890) limnndsd 2011-05-08 2011-06-26 12:15:25 by denvoll
[实验技术] [已完结]响应曲面法VS最小二乘法 (1/651) wanbolang 2011-04-25 2011-06-26 12:04:20 by denvoll
[实验技术] [已完结]如何制备五氧化二氮 (0/965) z3x93339 2011-06-25 2011-06-25 17:13:08 by z3x93339
[实验技术] [已完结]如何降低无机盐在水中的溶解度? (4/1749) qiongtao 2011-06-20 2011-06-22 19:05:02 by moneyzj
[实验技术] [已完结][关贴]请问哪里可以做热质分析(热重—质谱分析)? (0/464) iroon 2011-06-22 2011-06-22 10:55:23 by iroon
[实验技术] [已完结][关贴]实验室制备碳酸氢钙(通二氧化碳除外) (4/1721) lakeocean 2011-06-16 2011-06-21 11:41:43 by hexingyi
[实验技术] [已完结]【求助】DTA曲线处理-用过梅特勒-托利多TG/SDTA 851e仪器的请进 (0/791) shenlifan1 2011-06-21 2011-06-21 10:17:04 by shenlifan1
[实验技术] [已完结]关于次氯酸按溶液的浓度问题 (2/1437) huyingmm 2011-06-20 2011-06-20 21:44:35 by 西西很可怜
[实验技术] [已完结]力学性能中的抗压强度测量问题 (1/283) rosebuda 2011-06-17 2011-06-20 10:47:58 by rosebuda
[实验技术] [已完结]如何用盐酸得到HCl气体?    ( 1 2 ) (12/1464) wuchunlin 2011-06-16 2011-06-19 18:34:25 by 最近有点忙
[实验技术] [关贴]【求助】关于EDC和NHS二步法偶联反应 (1/2277) xcxy628 2011-04-16 2011-06-15 10:04:56 by 我是王东
[实验技术] [已完结]采用溶胶凝胶法的时候为什么有的体系要回流? (3/754) skypenggang 2011-06-13 2011-06-15 00:02:07 by lwrobinson
[实验技术] [已完结][关贴]PH=13.5的氢氧化钠溶液怎么配啊?具体的 (2/3090) wuchunlin 2011-06-13 2011-06-14 15:43:08 by xjkgmj
[实验技术] [已完结]如何将两个羟基偶联 (4/2153) glossitian 2011-06-08 2011-06-08 21:54:07 by glossitian
[实验技术] [已完结]求助量子产率计算 (1/732) lr1985 2011-06-08 2011-06-08 20:21:14 by 西西很可怜
[实验技术] 【求助】【求助】钛酸异丙酯水解产物如何溶解在丁二醇或其它有机溶剂中?????? (1/675) yza5000 2011-04-07 2011-06-08 09:40:51 by navy062
[实验技术] [已完结]怎样在实验室中把石英粉末熔化做成石英棒 (ICEPI+1)(4/1433) justinzhao 2011-05-28 2011-06-01 09:20:33 by justinzhao
[实验技术] [已完结]药物的全检 (5/948) shihuizhong 2011-05-18 2011-05-31 10:14:10 by 水落SMILE
[实验技术] TEM图的分析 (1/429) lxfeng 2011-05-25 2011-05-30 15:34:13 by swxah2009
[实验技术] [已完结]求一溶于稀乙醇但不溶于水的含钙离子的化合物 (0/842) kecin45689 2011-05-26 2011-05-26 17:07:42 by kecin45689
[实验技术] [已完结]求助:钌联吡啶NHS酯合成方法 (1/464) 小小乖宝宝 2011-05-23 2011-05-24 17:35:57 by 小小乖宝宝
[实验技术] [已完结]化学反应问题 (金币≥100)(0/18) smile8932 2011-05-24 2011-05-24 17:27:43 by smile8932
[实验技术] 【求助】硫酸铁溶液的配置    ( 1 2 ) (11/2188) lhwen182 2010-11-01 2011-05-23 08:14:16 by lhwen182
[实验技术] 【求助】如何买防毒面具 (4/808) LNNDH 2011-03-10 2011-05-21 14:22:27 by einstein633
[实验技术] [已完结]求助阳离子交换树脂处理水玻璃时的滤速 (1/1410) jiade-gu 2011-05-20 2011-05-20 22:16:26 by ZZLLJJ
[实验技术] 【求助】六甲基二硅氮烷使用注意事项?? (1/3312) humants 2010-07-09 2011-05-17 19:26:22 by wanglilife
[实验技术] [已完结][关贴]50%矮壮素 (0/409) 跳海自尽的鱼 2011-05-17 2011-05-17 12:41:29 by 跳海自尽的鱼
[实验技术] 【求助】如何制备苯甲酸盐和对甲苯磺酸盐(镍,镉,钴,银)? (1/631) 2009yh-Jenny 2010-09-15 2011-05-16 12:23:00 by qiushui12
[实验技术] [已完结]matlab怎么将一条直线旋转一定角度啊 (2/2513) wanbolang 2011-05-08 2011-05-16 08:29:47 by wangyuewu08
[实验技术] 【求助】分析化学的虫友,请帮忙,4-氨基安替吡啉法测定对氯苯酚 (6/952) 0371liu 2011-03-10 2011-05-14 15:53:26 by wulihua_07
[实验技术] [已完结]配溶液的问题 谢谢! (4/959) maomao222 2011-05-04 2011-05-14 15:00:57 by swsz12
[实验技术] [已完结]怎么称量氯化铁 (9/1801) 597154361 2011-05-08 2011-05-12 08:42:40 by yoyosnda
[实验技术] [已完结][关贴]请问配置溶液用水 (2/329) renruntan 2011-05-10 2011-05-10 21:46:52 by renruntan
[实验技术] 【求助】凝集素的提取 (1/777) dengqing 2011-03-19 2011-05-10 15:33:47 by swalva
[实验技术] [已完结]酮的环氧化反应怎么做? (0/1051) yynj_001 2011-05-10 2011-05-10 12:27:02 by yynj_001
[实验技术] [已完结]滴加时间算不算进反应时间…… (8/988) skx1314 2011-05-01 2011-05-10 00:37:19 by feirenzhizun
[实验技术] [已完结]如何在多孔碳内添加粉体 (0/377) mobai636 2011-05-09 2011-05-09 16:36:36 by mobai636
[实验技术] [已完结]如何测定脂质中氨基的修饰率 (0/339) glossitian 2011-05-08 2011-05-08 23:01:11 by glossitian
[实验技术] [已完结]紫外可见分光光度计测降解率 (3/1015) zg916 2011-05-05 2011-05-08 22:12:10 by hanchangcu
[实验技术] 【求助】相对湿度 (1/886) meijuan1082 2011-03-29 2011-05-08 16:45:26 by zhushihui
[实验技术] 【求助】请问氢的固体核磁在哪里可以做,我在杭州,最好近一点的 (5/638) saiamy 2011-03-01 2011-04-28 15:22:03 by 654973781
[实验技术] 【求助】多羟甲基三聚氰胺的溶解问题 (1/628) wangfang876369 2011-03-04 2011-04-25 21:51:01 by yufei7461
[实验技术] 【求助】GPC的有关问题,急!!!! (1/358) cuixun2008 2011-01-08 2011-04-25 10:36:53 by kyorl
[实验技术] [已完结]向大家求助一下关于药品用量的问题,急!!! (2/240) joek0083 2011-04-21 2011-04-23 22:36:03 by joek0083
[实验技术] 【求助】氧化石墨烯的制备 (3/476) 廖美林 2011-02-25 2011-04-22 14:57:58 by wuzhenqi8424
[实验技术] [已完结]0.5 M NaF-0.01 M HNO3会腐蚀玻璃仪器吗? (1/367) ysl79 2011-04-20 2011-04-22 11:22:44 by huoyu301
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[实验技术] UV_Solution_中文说明书 (1/720) weilong070 2011-08-31 2011-09-08 09:43:25 by dyzno
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