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[热点] 面上项目filecode邪修 西山十月 2026-08-10 刚刚
[其他分析] 【求助】根据BET数据计算分形维数 (0/368) smilech 2011-03-04 2011-03-04 20:19:51 by smilech
【求助】硬脂酸甲酯的红外谱图,谢谢。 (1/468) zj快乐7008 2011-03-01 2011-03-04 20:13:07 by fangshuai
【求助】吡啶的红外谱图或特征吸收峰 (1/5674) shanhaiguan 2011-03-02 2011-03-04 20:09:31 by fangshuai
[数据分析] 【讨论】关于氨氮的测定    ( 1 2 ) (10/1149) lailai868 2010-03-15 2011-03-04 20:04:32 by slivyer
【求助】红外谱图几个峰的振动模式求教 (3/949) digua 2011-03-01 2011-03-04 20:01:55 by fangshuai
【其他】从外行人的眼里远看“21世纪的分析化学” 之五言版 (评阅+1) (8/1414) yalefield 2010-08-12 2011-03-04 19:13:25 by xuyy09
【求助】求助XRF与XPS表征 (2/532) s20080740 2011-03-02 2011-03-04 18:12:59 by s20080740
[色谱质谱] 【求助】GPC检测器进气泡如何处理? (4/1131) lovezy530520 2010-10-23 2011-03-04 17:37:30 by cpp326
【求助】原料药中甲烷磺酸残留测定 (1/286) zuoyanghui 2011-03-04 2011-03-04 17:25:28 by chenmisc
【求助】求两物质的紫外谱图 (1/240) lswstudy 2011-03-04 2011-03-04 17:03:14 by chenmisc
【求助】荧光和分子内的氢键C-H……O有什么关系吗? (3/668) zky322003 2011-03-04 2011-03-04 17:00:41 by longwave
【求助】日立高效液相L-6200 intelligen pump智能三元泵的梯度怎么设置啊? (0/538) liusi0519 2011-03-04 2011-03-04 16:34:16 by liusi0519
【求助】大家看看这种紫外吸收图正常吗?为什么会有这么多小毛刺呢 (0/168) helloniu 2011-03-04 2011-03-04 16:24:24 by helloniu
[数据分析] 【求助】正交试验设计 (7/1211) TGYYP 2010-09-25 2011-03-04 15:51:08 by mulingyan
[其他分析] 【求助】TOC测定含量 (0/1194) stone 2011-02-24 2011-03-04 15:48:05 by stone
[色谱质谱] 【求助】气相TCD空样出现怪异峰,求解。 (5/559) cathly 2011-03-04 2011-03-04 15:36:21 by cathly
[色谱质谱] 【求助】液相色谱进样量为多少比较好? (2/446) lucky20511 2011-03-04 2011-03-04 15:32:41 by sdjnqcx
【求助】丙酮中的甲苯测定问题 (2/447) duckxf 2011-03-04 2011-03-04 15:08:42 by duckxf
【求助】做电池的帮帮忙,半电池的制作 (1/976) phonar 2011-02-25 2011-03-04 14:12:19 by liuq82001
【求助】购买旋光仪咨询【求教】 (1/337) along001 2011-03-04 2011-03-04 13:42:03 by dance99
[关贴]【求助】核磁中DSS作为哪种氘代试剂的参比物质?它的峰有什么特点? (0/2728) xl519520 2011-03-04 2011-03-04 13:18:52 by xl519520
【求助】硝基官能团定量分析 (0/437) yandy8 2011-03-04 2011-03-04 10:56:22 by yandy8
[关贴]【交流】矿浆萃取设备 (1/210) li840124 2011-01-20 2011-03-04 10:52:53 by goldbbo
【求助】硅的电阻率对红外透过是否有影响 (0/808) 九品墨徒 2011-03-04 2011-03-04 10:46:51 by 九品墨徒
[色谱质谱] 【求助】样品峰不在电泳谱图上出现,但其参数值却出现 (3/356) qiancai 2011-03-01 2011-03-04 10:06:47 by cj931199769
[色谱质谱] 【求助】如何用GC-MS检测双酚A光降解产物 (0/923) caoxingfan 2011-03-04 2011-03-04 09:44:56 by caoxingfan
【求助】钙试剂羧酸钠盐指示剂如何配制 (1/5672) 凡尘之子 2011-03-03 2011-03-04 09:37:55 by yunjun3
[色谱质谱] 【求助】两个物质的沸点分别为140度和250度,GC条件应该如何设? (4/1214) wind512 2011-03-02 2011-03-04 09:26:23 by jinglh8288
[色谱质谱] 【求助】气相色谱 (4/750) 张金丹 2011-03-03 2011-03-04 09:24:49 by jinglh8288
【求助】同步荧光光谱 (0/781) skyice1987 2011-03-04 2011-03-04 00:03:55 by skyice1987
【讨论】对付皮革乃的办法 (0/143) bioino 2011-03-03 2011-03-03 22:18:37 by bioino
【求助】有些题目求答案 (1/199) 45°天空 2011-03-03 2011-03-03 22:06:22 by 45°天空
[数据分析] 【求助】急求解释,谢谢,有关TG-DTA的 (2/609) thatfall_lqy 2011-03-01 2011-03-03 21:38:30 by thatfall_lqy
【求助】傅利叶红外光谱与反射-吸收红外光谱有联系么 (1/589) 苏樱 2011-02-28 2011-03-03 21:34:33 by chenmisc
【求助】请问一下在1600cm-1左右的这个宽峰是什么? (5/1942) 建国之歌 2011-02-25 2011-03-03 21:21:17 by chenmisc
[色谱质谱] 【求助】胸腺五肽分析方法 (0/242) gen.wang 2011-03-03 2011-03-03 20:49:51 by gen.wang
【求助】求助一个核磁解析的试题 谢谢 (1/368) ideal2324 2011-03-03 2011-03-03 20:24:59 by chenmisc
【求助】两种质谱质量分析器的工作原理? (3/1099) dragonspb123 2011-03-03 2011-03-03 20:21:40 by JLU_chem_man
[关贴]【求助】查询摩尔吸光系数 (3/3580) guohg 2011-03-03 2011-03-03 20:03:01 by yerong2009
[关贴]【求助】F-的络合比怎么一直做不出来?跪求高人指点 ! (0/215) hhz000000 2011-03-03 2011-03-03 18:48:24 by hhz000000
【求助】如何在混合溶液测出醋酸和硫酸浓度 (1/208) 315165179 2011-03-03 2011-03-03 18:20:05 by yerong2009
[色谱质谱] [关贴]【求助】天然产物的氨基盐酸盐HPLC测纯度问题 (1/502) dem-3882608 2011-03-03 2011-03-03 18:18:50 by yerong2009
【求助】请问北京大学做raman 的老师叫什么 (0/183) jingchina 2011-03-03 2011-03-03 18:17:20 by jingchina
【求助】细胞内可以衍生的物质,用什么衍生,求 谢谢 (2/205) jiyehappy 2011-03-02 2011-03-03 17:04:28 by jiyehappy
[色谱质谱] 【求助】气相毛细管柱堵了后怎么办?    ( 1 2 ) (10/2795) lishushu 2011-03-01 2011-03-03 16:56:13 by lishushu
[色谱质谱] 【求助】要分析的组分含有醛、酸、碳氧化物,毛细管柱行不行? (金币≥50)(3/14) cwqfei 2011-03-03 2011-03-03 16:43:11 by zyxme
【求助】TurboVap II 全自动浓缩工作站能否浓缩乙醚溶液? (1/235) gaosongbes 2010-11-05 2011-03-03 16:39:49 by superlubo
[色谱质谱] 【求助】关于CAD (0/1187) zly86 2011-03-03 2011-03-03 16:31:36 by zly86
[色谱质谱] 【求助】做毛细管电泳在线富集的请进 (4/796) wangmmly 2011-03-03 2011-03-03 16:22:45 by wangmmly
[色谱质谱] 【求助】High-performance liquid magneto-chromatography (0/148) luoyanbo 2011-03-03 2011-03-03 16:03:40 by luoyanbo
【求助】请教各位大侠胺中的酒精怎么测含量 (0/106) starrain 2011-03-03 2011-03-03 15:48:58 by starrain
【求助】核磁图求解 (0/227) 雨晴678 2011-03-03 2011-03-03 15:37:02 by 雨晴678
【求助】实验室中怎么才能方便快捷的生成二氧化氮 (评阅+1) (0/171) lp5456 2011-03-03 2011-03-03 14:57:20 by lp5456
[色谱质谱] 【求助】甲基橙用液相色谱检测条件 (0/751) Tracy3078 2011-03-03 2011-03-03 13:20:29 by Tracy3078
[分析前沿] 【求助】哪里有HPLC-NMR(液相与核磁连用仪器),能不能检测挥发油成分??? (5/1393) musashino 2011-03-02 2011-03-03 13:07:29 by nsp27
[色谱质谱] 【求助】液相色谱峰不对称的问题 (2/2792) songzb2005 2011-03-03 2011-03-03 13:06:13 by songzb2005
【求助】毛细管气相柱效为何显著高于填充柱效? (1/807) dragonspb123 2011-03-03 2011-03-03 12:58:33 by platto
【讨论】固体碳核磁能不能分出CH,CH2和CH3? (2/429) lilac_su 2011-03-02 2011-03-03 12:49:28 by lilac_su
[其他分析] [关贴]【求助】懂热重的请进 (5/669) caijj09 2011-03-02 2011-03-03 12:43:43 by caijj09
[色谱质谱] 【求助】请问GC-MS色谱柱类型 (5/1891) sjlnts 2011-02-20 2011-03-03 11:33:21 by sjlnts
【求助】重金属离子的含量分析 (0/308) 学员PsrjYB 2011-03-03 2011-03-03 11:11:10 by qq584232325
【求助】沸石分子筛 (5/818) zxdfy2006 2010-10-21 2011-03-03 10:41:51 by tianyh
【求助】二甲基二硫代氨基甲酸钠的检测方法 (0/572) 2006tiancao 2011-03-03 2011-03-03 10:39:05 by 2006tiancao
【求助】求助有色金属标准 (2/197) harwb 2011-03-02 2011-03-03 10:21:08 by harwb
[色谱质谱] 【求助】顶空GC (10/1902) liangshijiao 2011-02-28 2011-03-03 10:18:33 by liangshijiao
[色谱质谱] 【求助】请问梯度改变了,峰面积也会改变吗? (5/1135) tlwhssp 2011-03-02 2011-03-03 10:11:14 by tlwhssp
【求助】影响塔板高度的主要因素 (0/1273) dragonspb123 2011-03-03 2011-03-03 09:30:48 by dragonspb123
[色谱质谱] 【求助】200金币求助液相色谱仪(HPLC)市场调查报告 (8/1456) yingchunzh 2011-03-01 2011-03-03 08:46:16 by ymw520
[色谱质谱] 【求助】怎样把GC指纹图谱导入到指纹图谱相似度评价软件中?共有 5 人关注过本贴 (2/788) LIYUANDONG 2010-05-07 2011-03-03 08:44:59 by yangshaoqun
【讨论】旋光度的测定 (5/1351) 王丽84 2011-03-02 2011-03-03 08:34:41 by ymw520
【资源】谁有比较全的仪器分析的书籍 (2/293) lfycdymax 2011-03-02 2011-03-03 08:09:00 by lfycdymax
【求助】有关半胱氨酸的实际样品 (5/764) xuexixuexi6806 2011-03-01 2011-03-03 08:00:23 by ymw520
[其他分析] 【求助】有谁知道磁铁矿分析仪的价格和型号 (1/238) 红樱桃 2011-02-21 2011-03-03 07:56:21 by 红樱桃
[色谱质谱] 【求助】气相色谱单点标定 (1/600) zq19860502 2011-03-02 2011-03-02 21:17:07 by sjnsmile
【求助】请问哪位大侠有关于农药多残留标准的编制说明?跪求 (0/262) jdt5155873 2011-03-02 2011-03-02 20:57:07 by jdt5155873
【求助】分离异戊二烯过程中的阻聚剂 (0/254) boimin1983 2011-03-02 2011-03-02 20:49:42 by boimin1983
【求助】异戊二烯阻聚剂的研究 (0/180) boimin1983 2011-03-02 2011-03-02 20:39:52 by boimin1983
[分析前沿] 【求助】裂解C5中异戊二烯阻聚剂的作用 (0/444) boimin1983 2011-03-02 2011-03-02 20:33:17 by boimin1983
【求助】一种水溶性的铝螯合物且在碱性溶液中存在 (0/336) jmliu2010 2011-03-02 2011-03-02 20:30:32 by jmliu2010
[分析前沿] 【求助】亚硝酸钠含量的快速测定 (0/488) boimin1983 2011-03-02 2011-03-02 20:27:43 by boimin1983
[色谱质谱] 【求助】薄荷酮质谱图的解析????裂解规律 (0/718) musashino 2011-03-02 2011-03-02 20:25:22 by musashino
【求助】制备色谱 (6/824) 北京绿百草 2011-03-02 2011-03-02 19:45:45 by ad7023
[色谱质谱] 【求助】保留时间前移? (13/1857) yerong2009 2011-03-02 2011-03-02 19:21:42 by 痴夷子皮
[色谱质谱] 【求助】求高手。。GCMS峰形拖尾是怎么回事呀?    ( 1 2 ) (15/3519) wuxisheepren 2011-02-24 2011-03-02 19:15:40 by wuxisheepren
【求助】电位滴定测AKD含量问题,请做过的帮忙 (0/258) lbsummer 2011-03-02 2011-03-02 19:14:25 by lbsummer
[色谱质谱] 【求助】求各位高手指点 (0/186) yingkang 2011-03-02 2011-03-02 18:59:53 by yingkang
【求助】芦荟大黄素提取特性分析 (0/188) pangyanlong 2011-03-02 2011-03-02 18:00:54 by pangyanlong
【求助】关于分光光度计 (3/483) zhanghong8 2011-03-02 2011-03-02 17:23:48 by zhanghong8
【讨论】在红外图谱中基线的高低有什么意义 (0/1509) hmllby 2011-03-02 2011-03-02 16:45:27 by hmllby
【求助】顺、反异构体分别占多大的量呢? (2/484) joyce_smile 2011-03-02 2011-03-02 16:39:52 by joyce_smile
[色谱质谱] 【交流】薄层色谱分析时,硅胶板的选择 (2/907) miaochengcai 2011-03-02 2011-03-02 16:33:35 by miaochengcai
[色谱质谱] 【求助】ICP-MS7500使用知识 (1/1036) 凡尘之子 2011-03-02 2011-03-02 16:27:43 by yunjun3
【求助】化验员读本 (金币≥10)(2/86) 莱茵之河 2011-03-02 2011-03-02 16:17:16 by xiaoshm
【求助】关于矿物成分分析的求助 (1/379) pdcjj 2010-12-20 2011-03-02 16:15:36 by xiaofu119
[色谱质谱] 【求助】Agilent 1200工作站安装后,无法正常打开,怎么办? (2/502) 阳光_SG 2011-02-25 2011-03-02 15:22:53 by 幸福云景
[数据分析] 【求助】如何区分这两种信号? (0/336) Colazone 2011-03-02 2011-03-02 14:47:50 by Colazone
【求助】罗丹明溶液中加入纳米金和氯金酸溶液,荧光发射波长移至543nm,请教大家 (0/202) kuikuiw 2011-03-02 2011-03-02 14:29:44 by kuikuiw
【求助】做完液相冲柱子的问题 (5/2108) songzb2005 2011-03-01 2011-03-02 14:08:23 by 森西罗
【求助】钼酸铵—抗坏血酸比色法 (0/835) luckxxq 2011-03-02 2011-03-02 13:16:54 by luckxxq
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