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[热点] 298求调剂 axyz3 2026-02-28 刚刚
【求助】请教:化学分析测定方法。谢谢! (0/94) yujingschen 2011-04-14 2011-04-14 14:10:01 by yujingschen
【求助】衍射仪操作规程问题,请教大家! (0/212) xibei1s985 2011-04-14 2011-04-14 14:08:08 by xibei1s985
[色谱质谱] 【求助】问一个关于GPC的问题 (2/491) herenren 2010-08-31 2011-04-14 14:07:50 by 小醇醇
【求助】色谱柱 (0/718) jh66hz 2011-04-14 2011-04-14 12:34:28 by jh66hz
[色谱质谱] 【求助】柱子测定样品问题,请教大家! (4/1052) yujingschen 2011-04-12 2011-04-14 11:21:44 by yujingschen
[色谱质谱] 【求助】GPC检测出的分子量不在标曲范围内,有什么影响? (1/683) lj435 2010-05-22 2011-04-14 11:15:03 by xhcljjj
【求助】气相仪器操作检测相关问题?谢谢。。 (3/761) margersy113 2011-04-14 2011-04-14 10:43:44 by av0114
【求助】请帮忙看一下这两种炭黑的SRD图谱! (3/1478) adhisj 2011-04-01 2011-04-14 10:10:40 by yz2007433052
【求助】求一乙胺盐酸盐纯度检测方法 (0/453) hydialog 2011-04-14 2011-04-14 10:00:37 by hydialog
【求助】NSF一个表格里面标题不理解 (0/247) xihaishibe 2011-04-14 2011-04-14 09:13:50 by xihaishibe
【求助】请教偶氮胂III测钐、钍的具体操作方法? (0/254) hgxywp 2011-04-14 2011-04-14 05:55:14 by hgxywp
[色谱质谱] 【求助】物质实验提取遇到问题了?请教一下!! (0/173) zhengysigu 2011-04-14 2011-04-14 00:23:53 by zhengysigu
【求助】油脂中TBA测定的过程中每次移去溶液都是准确移去吗? (0/277) laoyisng1122 2011-04-14 2011-04-14 00:18:56 by laoyisng1122
[色谱质谱] 【求助】原子荧光试剂检测问题,谢谢大家! (0/319) serlisna 2011-04-14 2011-04-14 00:14:43 by serlisna
【求助】求高手分析图谱,分析好的给30金币 (6/870) lhx106 2010-11-25 2011-04-13 22:36:47 by 飞天小天才
【求助】偏光显微镜测熔点 (1/1536) summerGPC 2011-02-16 2011-04-13 22:24:26 by lilianliang
【求助】远程的空间耦合列分(大于4个碳链的)应该用说明仪器测定呢? (2/258) baiyuefei 2011-04-08 2011-04-13 22:15:14 by godmannut
【求助】请教大家什么叫光活性?茜素红、茜素绿是否具有光活性? (0/407) gonghp123 2011-04-13 2011-04-13 21:41:19 by gonghp123
【求助】50金币求助:英国药典BP98--Citric Acid Monohydrate(一水柠檬酸),这个谁有 (3/423) fj1290511 2011-01-30 2011-04-13 20:57:44 by sunbdong
[色谱质谱] 【求助】间苯二脲液相色谱分析 (0/432) lwl3005 2011-04-13 2011-04-13 20:55:32 by lwl3005
[色谱质谱] 【求助】请教羟基柠檬酸的HPLC检测方法 (1/296) nicang2008 2010-09-02 2011-04-13 20:43:42 by sunbdong
[其他分析] 【求助】如何测定稳定剂和样品之间的相互作用。 (0/251) mhwpmhwp 2011-04-13 2011-04-13 17:49:40 by mhwpmhwp
【求助】原子吸收法测分子筛中锂离子含量 加入消电离剂问题 (1/480) 学员NZiTxb 2011-04-11 2011-04-13 16:56:48 by fengye424031
吐温80的红外谱图 (0/1070) littlibear 2011-04-13 2011-04-13 15:56:33 by littlibear
[色谱质谱] 【求助】采用外标法测定样品问题? (4/1112) margersy113 2011-04-13 2011-04-13 15:40:19 by av0114
[色谱质谱] 【求助】气相色谱检出限 (3/706) lxtfly 2011-04-13 2011-04-13 15:36:06 by av0114
[色谱质谱] 【求助】请教:样品检测问题,谢谢大家Que!! (0/306) yujingschen 2011-04-13 2011-04-13 15:20:48 by yujingschen
[色谱质谱] 【交流】国内外做质谱的牛人,主要是做生物质谱? (2/1306) foxvictor1977 2011-04-13 2011-04-13 15:19:19 by zhangwei_0
【求助】涂层柱的柱容量测定 (0/186) wangxindream 2011-04-13 2011-04-13 14:39:23 by wangxindream
【求助】请教:流动相测定物质相关问题? (0/309) xibei1s985 2011-04-13 2011-04-13 14:21:37 by xibei1s985
[色谱质谱] 【求助】气相色谱 热导池 检测器 (2/697) romanticjune 2011-04-12 2011-04-13 12:02:40 by romanticjune
[其他分析] 【求助】急!广西哪里有可以进行土壤肥料分析方面的培训 (0/192) hlanyi 2011-04-13 2011-04-13 11:47:21 by hlanyi
[其他分析] 【求助】凝胶柱 (7/451) spsgirl 2011-04-11 2011-04-13 11:27:04 by 甘雕岅珠
[关贴]【交流】[有奖调查]紫外分光光度计上的卤素灯你们都用多长时间(以小时计) (0/194) happy169 2011-04-13 2011-04-13 11:19:35 by happy169
[色谱质谱] 【求助】国标中检测大肠菌群是报告MPN值相关问题,请教! (0/407) zhengysigu 2011-04-13 2011-04-13 11:11:45 by zhengysigu
[色谱质谱] 【求助】样品出峰含大量的杂质?怎么解决? (1/336) yangxicshe 2011-04-13 2011-04-13 11:11:15 by 1414671343
【求助】原子荧光检测物质出峰问题? (0/919) yzhlasiI 2011-04-13 2011-04-13 11:05:16 by yzhlasiI
[色谱质谱] 【求助】物质测试相关问题,请教大家! (3/779) margersy113 2011-04-12 2011-04-13 10:49:16 by 痴夷子皮
[分析前沿] 【求助】跪求 (0/276) huang134761 2011-04-13 2011-04-13 10:17:20 by huang134761
【求助】过氧化氢含量测定 (7/1888) yuechb 2009-09-04 2011-04-13 09:32:04 by liupeijuan85
[色谱质谱] 【求助】季铵盐的TOF分析 (1/271) cang_ying 2011-04-13 2011-04-13 09:24:37 by cang_ying
[色谱质谱] 【交流】气象色谱出峰问题 (1/503) pasate03 2011-04-12 2011-04-13 08:50:03 by 幸福云景
【讨论】请问有什么方法除去微量Fe离子 (5/558) along1984 2011-04-12 2011-04-13 08:13:15 by yunjun3
【求助】求助氢氧化钠标准溶液的标定问题 (0/2494) alumina418 2011-04-12 2011-04-12 21:43:47 by alumina418
【求助】加标量用英语怎么说 (1/2568) sohn_yxy 2011-04-11 2011-04-12 21:18:56 by 紫魂
【求助】求文献一篇 (0/128) zhangxb8988 2011-04-12 2011-04-12 21:11:01 by zhangxb8988
【求助】核磁图谱求助,根据图和结构式写出论文中需要的数据 (0/287) lalala2586 2011-04-12 2011-04-12 19:56:41 by lalala2586
[色谱质谱] 【求助】液谱里面自动进样器的纵向和横向轴生锈了该怎么办? (7/1040) shyuyafeng 2010-07-22 2011-04-12 18:54:53 by laura汇
[色谱质谱] [关贴]【求助】流动相加乙酸铵和甲酸是为什么 (9/4492) zhangy8627 2011-04-10 2011-04-12 18:51:47 by laura汇
[其他分析] 【求助】热重分析 (1/345) qlhuang 2011-02-19 2011-04-12 18:23:55 by x19780214
[色谱质谱] 【求助】气相测试样品出峰问题,谢谢!    ( 1 2 ) (13/1852) yujingschen 2011-04-11 2011-04-12 18:16:27 by qxm1988
【求助】结构几乎一样的化合物分离 (12/1280) 真爱至上青青 2011-04-11 2011-04-12 17:41:21 by News
[其他分析] 【求助】无机晶体TG-DSC求助 (3/986) baiyijia 2011-03-09 2011-04-12 17:36:01 by x19780214
【讨论】奇怪的紫外结果 (4/506) 406119994 2011-04-11 2011-04-12 17:19:40 by yz2007433052
[色谱质谱] 【求助】液相测定 流动相相关问题?谢谢大家! (4/899) yangxicshe 2011-04-11 2011-04-12 17:01:53 by csliu2011
【讨论】谁用过JPB-607溶解氧测定仪 (0/206) dyang0219 2011-04-12 2011-04-12 16:50:56 by dyang0219
【求助】天然杂多糖的分离 (0/258) persistent06 2011-04-12 2011-04-12 16:30:20 by persistent06
【求助】急!请教DNS法测还原糖方面的 (2/553) 桂桂5708 2011-04-08 2011-04-12 16:26:25 by linling2010
[数据分析] 【求助】请问核磁氢谱能分辨出物质的顺式反式吗? (2/1411) ln031101 2011-04-11 2011-04-12 15:30:03 by hslwsd
【求助】砷酸钠和砷酸氢二钠 (3/990) 理顺思路 2011-04-12 2011-04-12 14:00:54 by 理顺思路
【求助】毛细管缓冲液pH=2.8,要怎么洗管子才好? (0/290) 无止境666 2011-04-12 2011-04-12 13:53:21 by 无止境666
[色谱质谱] 【求助】质谱检测中发同问题了。怎么解决呢? (1/333) xibei1s985 2011-04-12 2011-04-12 12:30:17 by JLU_chem_man
[色谱质谱] 【求助】液相色谱仪器压强升高问题 (14/1891) 123xiejiaq 2011-04-11 2011-04-12 11:41:12 by linling2010
【求助】高锰酸钾能氧化EDTA吗 (0/1844) 滴水书生 2011-04-12 2011-04-12 10:32:24 by 滴水书生
【求助】六价铬离子水溶液需要避光保存吗 (2/408) meng1988 2011-04-12 2011-04-12 09:17:38 by meng1988
[色谱质谱] 【求助】峰变了,帮帮我 (9/817) zhangxh9882 2011-04-08 2011-04-12 08:41:37 by 梁丰
【求助】哪里可以查课程代号 (0/2074) 5summer27 2011-04-12 2011-04-12 08:02:08 by 5summer27
【求助】样品什么酸最好?浓度如何? (0/172) laoyisng1122 2011-04-12 2011-04-12 00:19:24 by laoyisng1122
[色谱质谱] 【求助】超高效液相色谱中遇到的问题 (金币≥10)(6/92) 愿做灰灰 2011-04-10 2011-04-11 23:10:23 by zhangy8627
【求助】急求常用溶剂 Donor number (0/2231) kaka2243 2011-04-11 2011-04-11 21:37:52 by kaka2243
【求助】双原子分子光谱数据查询(可见光) (0/695) laodisi 2011-04-11 2011-04-11 21:21:11 by laodisi
[色谱质谱] 【求助】求助质谱分析软件 (3/879) lyfxie8607 2011-04-11 2011-04-11 20:41:13 by lyfxie8607
[色谱质谱] 【求助】求解一张质谱图 (0/192) lovechem1 2011-04-11 2011-04-11 20:40:28 by lovechem1
【求助】做氨基含量测试请问该怎么做。假设物质不含其它活泼基团 (2/303) ewpope 2011-03-30 2011-04-11 20:28:40 by chinadyy
【求助】急,,生物染色剂和者染料指示剂的概念和区别。。 (0/551) lqi0727 2011-04-11 2011-04-11 20:04:11 by lqi0727
[色谱质谱] 【求助】药典出版地及出版社 (2/433) ysy2008 2011-04-08 2011-04-11 19:28:03 by ysy2008
【讨论】XPS可以定量测定官能团含量吗 (0/4217) 小虫子6398 2011-04-11 2011-04-11 17:13:57 by 小虫子6398
【讨论】这个离子强度的计算对不对? (0/870) justdilo 2011-04-11 2011-04-11 17:07:41 by justdilo
【资源】分析化学课件 中科院考验用的 (3/454) sulongdage 2011-01-19 2011-04-11 17:06:17 by giy001
【求助】萘磺酰胺 naphthalenesulfonamide荧光量子产率 (0/128) kaka2243 2011-04-11 2011-04-11 16:20:13 by kaka2243
【求助】请问长沙哪里可以测定ppm级含量的水分? (5/957) ggwwmm1234 2010-10-05 2011-04-11 16:01:35 by ggwwmm1234
【讨论】紫外光谱与荧光光谱的联系 (8/1950) wujiangjie 2011-04-06 2011-04-11 15:56:34 by penny510510
[关贴]【求助】【求助】关于影响柠檬酸络合的问题 (0/1346) yangerying 2011-04-11 2011-04-11 15:21:08 by yangerying
【求助】样品测定出现问题了?怎么办?? (0/184) serlisna 2011-04-11 2011-04-11 15:18:32 by serlisna
[色谱质谱] 【求助】HPLC 高压液相和Western blot 蛋白定量哪个更精确 (2/648) hebeilisbi 2011-04-11 2011-04-11 15:09:31 by 1414671343
[色谱质谱] 【求助】正相基线噪声大,请高手指点! (3/822) csliu2011 2011-04-11 2011-04-11 15:03:17 by 1414671343
[色谱质谱] 【求助】液相测定样品一些问题。请教大家! (6/1140) yzhlasiI 2011-04-09 2011-04-11 15:00:03 by 甘雕岅珠
[色谱质谱] 【求助】气质分析结果如何面积归一化 (5/1302) xiaoyi_yeah 2011-04-05 2011-04-11 14:58:57 by 甘雕岅珠
[色谱质谱] 【求助】如何知道气相的毛细管柱是否堵住了? (12/2022) spxysa041 2011-04-05 2011-04-11 14:55:26 by 甘雕岅珠
[色谱质谱] 【求助】气相仪器测定物质出现问题了呀?怎么解决? (6/1248) xibei1s985 2011-04-03 2011-04-11 14:54:47 by 甘雕岅珠
[分析前沿] 【求助】气相色谱    ( 1 2 ) (12/1105) boimin1983 2011-04-09 2011-04-11 14:50:26 by 甘雕岅珠
【讨论】关于XPS光谱中对同一元素的不同基团的分峰问题? (2/3227) wewejimmy 2011-04-07 2011-04-11 14:45:55 by pinguo
[色谱质谱] 【求助】安捷伦气相 顶空进样器G1888 部件 (1/807) weiwei23 2011-04-11 2011-04-11 14:45:18 by 甘雕岅珠
【求助】金纳米棒的大小 (1/388) 甲优 2011-04-10 2011-04-11 14:41:51 by pinguo
[色谱质谱] 【求助】高效液相做有关物质的检验时自身对照为何峰面积不成比例? (3/1304) hebeilisbi 2011-04-11 2011-04-11 14:40:19 by 甘雕岅珠
[数据分析] 【求助】20金币求教处理3维数据 (5/637) yan_wei 2010-11-11 2011-04-11 13:42:18 by donkeypku
【求助】谁知道xps中Fe(IV)的位置么? (2/711) tonyliu0401 2011-04-10 2011-04-11 13:18:14 by jkrowling
【求助】峰分不开 (10/1212) schconghao 2011-03-23 2011-04-11 12:48:49 by jkrowling
[数据分析] 【求助】信号与分析物浓度的对数相关 (4/1198) feiyang1210 2011-04-09 2011-04-11 11:54:17 by benshaoye
【求助】关于色泽不同的流体透明度的检测判定方法 (1/446) kingbluewing 2011-04-07 2011-04-11 11:02:37 by feidalchan
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