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    [热点] 有没有人能给点建议 深蓝的天空 2026-01-16 刚刚
    【求助】救助大侠们:ICP-MS基体问题是怎么一回事呢? (5/312) ttkl533 2009-07-17 2009-08-01 15:10:24 by caob1981
    [色谱质谱] 【求助】各位大牛能用液相色谱做出分子量分布图吗? (5/521) 喜欢第二排 2009-07-13 2009-08-01 12:19:12 by tian5670
    [色谱质谱] 【资源】求助乙酸正丙酯的色谱分析方法! (5/423) dingxianmei 2009-07-31 2009-08-01 09:17:07 by happy169
    [关贴]【求助】文献 (1/81) linfan 2009-07-31 2009-07-31 22:03:49 by jhn183
    【求助】荧光测定化合物的溶解问题 (4/382) zxdno1 2009-07-03 2009-07-31 21:58:05 by riyuewangxiaoke
    【讨论】请教一个荧光扫描光谱的问题    ( 1 2 ) (16/896) zxdno1 2009-06-08 2009-07-31 21:57:00 by riyuewangxiaoke
    【讨论】农药极性问题 (5/443) feiyu61 2009-07-26 2009-07-31 20:54:53 by feiyu61
    【求助】电导率仪在乳化液中应用有什么意义? 10 (3/546) liuguangliang 2009-07-31 2009-07-31 19:31:55 by xiafeixin
    【求助】关于一个减压蒸馏的一个问题! (2/295) SYP881130 2009-07-30 2009-07-31 18:56:07 by SYP881130
    [色谱质谱] 【求助】HPLC样品组进样越做压力越高 (6/239) Q-girl 2009-07-31 2009-07-31 18:35:57 by 2004371310
    [色谱质谱] 【求助】农残检出限 (9/655) xytian 2009-07-19 2009-07-31 17:17:48 by zxz.1982
    [色谱质谱] 【讨论】关于果汁中色素的前处理 (2/176) yangxw 2009-07-31 2009-07-31 17:04:51 by zxz.1982
    [色谱质谱] 【求助】请问:亚硝酸根与硝酸根在210nm处会不会分离???    ( 1 2 ) (10/558) 肥猫:福星 2009-07-29 2009-07-31 16:34:01 by 肥猫:福星
    【求助】没有用大孔树脂的处理路边青提取液影响其多酚含量的测定有影响吗 1 (2/150) lxf2009 2009-07-30 2009-07-31 16:20:34 by kk_observer
    【讨论】求助香烟中有害成分(有机物)的分离方法 49 (3/302) 俊铭 2009-07-17 2009-07-31 16:19:51 by Q-girl
    【求助】计算甲醛气体的浓度 (2/133) skywalkerelf 2009-07-14 2009-07-31 15:58:02 by zt19820823
    【求助】求教:氮吹仪的选购问题 (3/530) lyon2000000 2009-06-24 2009-07-31 15:44:33 by zt19820823
    【求助】谁那有biosensor and bioelectronics word 原稿? (0/71) flyfengyun 2009-07-31 2009-07-31 15:42:18 by flyfengyun
    [色谱质谱] 【讨论】中国药典一部药材采用MS作为质量控制手段有什么意义 (1/156) foxling2 2009-07-31 2009-07-31 15:31:53 by happy169
    [色谱质谱] 【求助】基线漂浮太大    ( 1 2 3 ) (24/981) 肥猫:福星 2009-07-25 2009-07-31 15:15:24 by 肥猫:福星
    [色谱质谱] 【资源】beynon表 (3/2489) nuonuo8162 2009-07-30 2009-07-31 14:18:32 by nuonuo8162
    [色谱质谱] 【求助】维生素E a,b,r的UPLC分离条件 (1/93) willasa 2009-07-30 2009-07-31 13:04:48 by 2004371310
    【其他】安捷伦收购瓦里安    ( 1 2 ) (10/577) foxling2 2009-07-28 2009-07-31 12:32:43 by zxz.1982
    有人用过德国VARIO ELIII元素分析仪吗? 1 (2/346) chengximei 2009-03-30 2009-07-31 12:25:53 by wangwei2008
    【求助】测氨氮时的问题 (4/389) AndrewYu 2009-07-30 2009-07-31 12:19:23 by AndrewYu
    【求助】关于混合晶相TiO2的定量分析 2 (2/96) rhou83 2009-07-29 2009-07-31 12:01:03 by rhou83
    【求助】哪位知道钾离子选择电极法测钾离子含量用什么做离子强度缓冲剂 5 (1/85) lovelongxia 2009-07-30 2009-07-31 11:52:22 by xin378
    【求助】Na2HPO4,NaH2PO4,K2HPO4@ KH2PO4 缓冲液 (1/245) skythe 2009-07-31 2009-07-31 10:57:01 by happy169
    【专题】Tenax (2/146) sky-walk 2009-07-30 2009-07-31 09:40:21 by yaleme
    【求助】ICP 测试标样哪里可以买到?限北京 (7/471) qishuyuan 2009-07-28 2009-07-31 08:56:15 by deyxy200301321
    [数据分析] 急,XRD如何定量? (6/678) xiaoyuehua 2009-02-27 2009-07-31 08:52:43 by 清新俊逸
    [其他分析] 【求助】[求助]请高手帮忙分析TG图 26 (4/266) linglong_1985 2009-07-30 2009-07-31 08:45:06 by linglong_1985
    【求助】高pH范围的磷酸盐缓冲液怎么配啊? (5/428) 黑烟斗 2009-07-22 2009-07-31 07:59:46 by weipingwu
    【求助】请问我的荧光谱图为什么会是这个样子的(附图)?    ( 1 2 ) (10/589) annietop 2009-07-29 2009-07-31 07:13:12 by jyzcd
    【求助】氯化钠投入到碳酸钾溶液中会不会有结晶析出 (2/121) qoopoo2000 2009-07-30 2009-07-31 00:06:35 by agathis121
    【求助】磷酸盐缓冲溶液怎样配制    ( 1 2 ) (10/1258) naying20098583 2009-07-10 2009-07-30 20:45:06 by xugehui
    请教时间分辨荧光 (1/177) dreamer835 2008-12-21 2009-07-30 16:46:41 by wry413
    【讨论】关于液相色谱出峰先后的问题?    ( 1 2 ) (13/1171) JJEELLYY 2009-07-27 2009-07-30 15:36:33 by 水中鱼7119
    【求助】碘化钾如何做结构确认? (0/67) msn0788 2009-07-30 2009-07-30 15:36:05 by msn0788
    [色谱质谱] 【求助】液相色谱外标法问题!    ( 1 2 ) (18/1150) gzdeng 2009-07-21 2009-07-30 14:17:06 by rainning139
    [色谱质谱] 【求助】该怎样清洗色谱柱? (9/780) 小薇6702 2009-07-29 2009-07-30 13:45:19 by 小薇6702
    [色谱质谱] 【交流】标准曲线的问题    ( 1 2 3 ) (24/1175) lovesci 2009-07-20 2009-07-30 13:03:54 by kingliyanfei
    C H O N 元素分析 (3/617) chengfeng8523 2008-11-24 2009-07-30 11:25:24 by sunny_y_h
    求助,CHONS元素分析 (1/273) lutetium 2008-09-17 2009-07-30 11:22:44 by sunny_y_h
    【求助】碳纳米管在荧光分析中的应用 (7/358) zhaopeng8663 2009-07-28 2009-07-30 11:02:44 by cm105
    [色谱质谱] 【求助】HPLC排气泡后出现警报音 (5/533) Irene敏 2009-07-29 2009-07-30 10:37:36 by chinabull
    请教这几个参数的意义(关于FTIR和GPC) (3/339) rtjrj 2009-04-18 2009-07-30 09:19:58 by rtjrj
    【求助】求LiCl的7Li固态NMR图谱 (0/139) jsty 2009-07-29 2009-07-29 20:33:05 by jsty
    【求助】山莨菪碱毛细管电泳分离 (评阅+2) (0/66) 吴洁 2009-07-29 2009-07-29 20:11:18 by 吴洁
    比色皿哪公司的好? (2/207) ddm51771 2009-02-28 2009-07-29 19:54:26 by xihanlianz
    [色谱质谱] 【求助】6金币求联苯的gc检测方法的文献(内标) (0/120) nannan602 2009-07-29 2009-07-29 19:49:37 by nannan602
    [色谱质谱] 【求助】色谱问题向大家求教 (9/401) zouxiaowei 2009-07-27 2009-07-29 19:22:07 by hua56441
    【求助】如何分离有机溶剂中的少量氯化钠,氯化钾 8 (4/566) qoopoo2000 2009-07-29 2009-07-29 17:07:44 by qoopoo2000
    [色谱质谱] 【其他】安捷伦收购瓦里安 (3/352) foxling2 2009-07-28 2009-07-29 16:54:07 by hua56441
    [色谱质谱] 【求助】求对苯醌的标准气相色谱图谱 (0/180) hua56441 2009-07-29 2009-07-29 16:44:14 by hua56441
    [色谱质谱] 【求助】关于气相毛细管柱的问题。 (5/480) longquan8297 2009-07-26 2009-07-29 15:57:05 by liushu66
    [分析前沿] 【求助】气体在线水分分析仪 (1/111) zyx00921 2009-07-14 2009-07-29 15:24:50 by naren4545
    [其他分析] 关于化学发光的 2 (4/338) longquan8297 2009-06-02 2009-07-29 14:38:05 by xiaoruibo
    【交流】含菌纯水惹得祸 (2/318) maomi520 2009-07-28 2009-07-29 14:24:44 by 嘉木
    【求助】关于核磁谱图的问题 1 (6/317) bingdian8956 2009-06-10 2009-07-29 11:46:30 by sunny1212
    【求助】做NMR 0.5 ML NMR管需要样品多少毫克    ( 1 2 ) (11/582) polymer.xu 2009-07-17 2009-07-29 11:43:10 by sunny1212
    【求助】北京哪里有铂坩埚做炽灼残渣? 5 (3/272) wjq8283 2009-07-29 2009-07-29 10:58:10 by naren4545
    [色谱质谱] 【讨论】PH值对LC的影响 (8/348) blh3000 2009-07-28 2009-07-29 09:29:10 by 默8766
    【讨论】曲线拟合时相关参数R2要求多大? (5/3413) zxdno1 2009-07-28 2009-07-28 23:13:04 by zxdno1
    【求助】46%的磷酸的摩尔浓度是多少?怎么算? 3 (6/506) wit2009 2009-07-28 2009-07-28 23:04:26 by coby131415
    【求助】如何测定二硫代氨基甲酸盐水溶液中的浓度? (0/53) yangshu692 2009-07-28 2009-07-28 22:46:43 by yangshu692
    [色谱质谱] 气相色谱峰面积重现性差 (9/1204) jinhan 2008-12-16 2009-07-28 21:47:04 by linanchang
    【讨论】荧光滴定的问题 (6/697) c20070626j 2009-07-02 2009-07-28 20:34:17 by sandi
    [色谱质谱] 【求助】请教TCD上重量校正因子的问题 8 (3/310) zjpxw 2009-07-27 2009-07-28 19:54:28 by zjpxw
    【求助】请教一下:如何做干扰离子实验??    ( 1 2 ) (11/1234) 肥猫:福星 2009-07-24 2009-07-28 18:10:18 by 肥猫:福星
    【求助】如何对一种分析方法做验证试验 (4/1358) 小时 2009-07-28 2009-07-28 17:15:49 by naren4545
    【求助】向广大虫友求助一有机物的比旋光度! 20 (4/206) binghua 2009-07-27 2009-07-28 17:12:38 by naren4545
    【求助】中性大孔吸附树脂浸泡显酸性的原因,高薪悬赏!    ( 1 2 ) 40 (金币≥100)(15/94) whygiveup 2009-07-17 2009-07-28 15:51:00 by fanchem9895
    【求助】阻燃制样 10 (0/72) ganggai 2009-07-28 2009-07-28 15:34:43 by ganggai
    [色谱质谱] 【求助】气相色谱电子流量计 5 (4/467) gychow 2009-07-26 2009-07-28 15:17:21 by gychow
    【求助】紫外可见漫反射与紫外可见分光光谱 (0/184) zhanghui0326 2009-07-28 2009-07-28 15:09:19 by zhanghui0326
    [色谱质谱] HPLC中相对标准偏差的算法 (2/263) umbro_yao 2009-05-27 2009-07-28 14:35:33 by umbro_yao
    【求助】流动注射化学发光峰拖尾怎么办? (6/373) shishasha 2009-07-24 2009-07-28 11:35:29 by nanchangxiaobi
    [其他分析] 【求助】如何判断草酸是否含结晶水 (7/659) jgf5419 2009-07-27 2009-07-28 10:41:25 by wp12005
    [色谱质谱] 【已解决】【求助】岛津LC-10AT怎么调试?----2009.7.28 9 (6/410) Irene敏 2009-07-27 2009-07-28 09:45:49 by nanchangxiaobi
    [色谱质谱] 【求助】请教一个问题,药品专属性实验 (4/524) beihai722 2009-07-20 2009-07-28 08:59:34 by achen928
    【求助】关于硫醇锑的表征 6 (5/659) quyingjun 2009-07-24 2009-07-28 08:58:31 by quyingjun
    【求助】谁知道布洛芬的摩尔吸光系数 (2/268) naying20098583 2009-07-10 2009-07-28 08:13:10 by weipingwu
    [色谱质谱] 【求助】PEG 400能直接进液质吗? 1 (5/712) jenney 2009-07-22 2009-07-28 00:22:03 by xiaocao204
    【资源】Z 核磁共振波谱仪常见问题解答1 (评阅+2) (1/320) maomi520 2009-07-25 2009-07-27 23:56:35 by zxlyid
    【求助】求泡泡液配方 19 (8/734) bianliu199 2009-07-26 2009-07-27 22:51:27 by godspeed285
    岛津TOC-VcpH总有机碳测定仪操作方法 15 (2/478) zhujunhebe 2008-09-10 2009-07-27 22:41:53 by 114557603
    [其他分析] 【求助】求助:N2保护下测TGA的问题。谢谢! (6/344) zhangdh_03 2009-07-27 2009-07-27 22:37:17 by yix1994
    [色谱质谱] 【求助】谁有GC-2060的资料 (2/135) sdjnqcx 2009-07-25 2009-07-27 19:28:09 by sdjnqcx
    【求助】通常使用玻璃小瓶配样,但这种情况下是否建议用塑料小瓶? (3/274) flyingwings 2009-07-27 2009-07-27 17:24:15 by littlemark
    [色谱质谱] 【求助】安捷伦GC-MS色谱图如何导出? (4/1218) nkcontrast 2009-07-21 2009-07-27 17:23:18 by nkcontrast
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