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[热点] 博士自荐 科研狗111 2026-03-01 刚刚
红外光谱两组图之间有什么差别?谢谢! (1/423) yujingschen 2011-04-25 2011-04-25 20:47:47 by xiaoyuyxy
【求助】丁基锡的分析方法及经验交流 (2/323) tbtin 2010-05-04 2011-04-25 20:45:01 by tbtin
【求助】氨基丙醇或者醇类的分析检测方法 (5/415) caojie107 2011-03-30 2011-04-25 20:32:54 by caojie107
【求助】752型紫外可见分光光度计故障 (2/705) ynn_muchong 2011-01-30 2011-04-25 20:06:27 by ynn_muchong
[色谱质谱] 【求助】校正因子有适用范围吗? (1/3072) ineedawife 2011-04-16 2011-04-25 18:58:07 by kirilenko123
【求助】双氧水里面的杂质如何分析? (1/323) mln2007 2011-01-11 2011-04-25 17:13:27 by mln2007
吸附质氮气气源中的气体杂质对吸附过程的影响 (1/433) hsqlxsz 2010-10-21 2011-04-25 16:42:37 by hsqlxsz
【讨论】化合物有羰基与烯醇式互变时核磁上有什么特征 (6/2171) sunny1212 2009-09-16 2011-04-25 16:02:55 by sunny1212
[色谱质谱] 化合物不显MS (7/2554) 坏蛋 2011-04-24 2011-04-25 14:24:23 by 龙井不苦
请问化学专业有仪器分析专业吗?有没有搞仪器研发的专业? (4/2993) menglongkafei 2011-04-24 2011-04-24 22:50:04 by qiujinfeng
[色谱质谱] 【求助】H2S在进气相色谱前要除去,用哪种方法好呢? (4/524) lengshuai 2011-04-14 2011-04-24 19:40:01 by cuplichunxia
【求助】核磁的羟基峰问题    ( 1 2 ) (10/3224) fanxinzeng 2011-04-15 2011-04-24 15:33:20 by wzshuan
[色谱质谱] 【求助】LC-MS软件 (6/660) TLC菜鸟 2011-04-05 2011-04-23 21:27:21 by dongrong29
【求助】测木质素的最大吸收波长 (1/471) guopeng19873 2010-12-03 2011-04-23 16:34:01 by jilly7860
【求助】元素分析仪的资料 (3/883) 苏打水 2010-07-27 2011-04-23 16:01:57 by huoying441
对硝基苯棕榈酸酯的紫外吸收 (金币≥1)(0/23) 迷雾森林0903 2011-04-23 2011-04-23 15:14:29 by 迷雾森林0903
[色谱质谱] [关贴]【求助】肾上腺素标准溶液的配制 (1/375) 挽手俏佳人 2011-03-18 2011-04-23 15:06:45 by 挽手俏佳人
[色谱质谱] 关于新学柱色谱,请教一些问题 (0/343) how1123 2011-04-23 2011-04-23 14:32:22 by how1123
【投票】到底是酸式滴定管好用还是碱式滴定管好用?    ( 1 2 3 ) (24/3112) y398297508 2011-04-17 2011-04-23 11:05:01 by 进臣
[色谱质谱] 【求助】复硝酚钠分析方法 (4/509) wangwei8272 2010-12-21 2011-04-22 17:04:31 by 梦幻天涯
[色谱质谱] 【求助】内标物的合理选择 (5/910) 风去无影 2011-03-23 2011-04-22 16:45:49 by susanxing
【求助】PMBP(4-苯甲酰基-3-甲基-1-苯基-2-吡唑-5-酮)的溶解度 (1/301) zll1985030 2010-10-06 2011-04-22 16:16:07 by leiliang87
[色谱质谱] 【求助】关于内标法的相对校正因子计算 (1/10193) 404506634 2011-03-28 2011-04-22 16:07:02 by susanxing
[色谱质谱] 用液相检挥发油中桂皮醛的含量,这样品怎么制备啊??求助。。。。 (1/424) jxnccsq 2011-04-22 2011-04-22 10:43:28 by jiusjiu
【求助】请问有人知道姜黄烯、姜烯有紫外吸收吗? (1/334) HotG 2010-10-29 2011-04-22 10:34:42 by wy0822
【求助】毛细管电泳电化学发光检测仪没有电化学信号怎么回事? (2/373) lhj666 2009-12-19 2011-04-22 10:14:12 by wwf2004
[色谱质谱] 【求助】气相色谱分析 (10/942) asnsygc 2011-01-06 2011-04-21 22:49:07 by qxm1988
十溴联苯醚检测 (金币≥2)(0/33) wzc140501 2011-04-21 2011-04-21 21:21:27 by wzc140501
[关贴]【求助】求助银溶胶中粒子个数的计算 (2/495) xuefang818 2011-03-27 2011-04-21 20:37:33 by tian0429
[色谱质谱] 【求助】单糖液相色谱分析制样 (6/958) min_zhou 2011-04-14 2011-04-21 20:26:13 by yujing0711
[数据分析] 【求助】质子核磁共振谱 (9/1700) yaobaojing1872 2011-04-06 2011-04-21 16:11:17 by xiaoyuzhang
[色谱质谱] ★★RID检测器空白样有峰,待测样在同一时间也有峰,怎么回事?? (0/197) v_persie 2011-04-21 2011-04-21 11:06:31 by v_persie
【求助】ICP-AES 铬铁球测铬问题 (4/1215) yangyuan171 2011-04-15 2011-04-21 10:53:19 by yangyuan171
【求助】请问哪位大师配过SOD,就是超氧化物歧化酶。 (2/439) wangdm 2011-04-02 2011-04-21 09:37:40 by ycl630328
【求助】瑞士万通Super-Sep - 100/4.6 柱子长期什么保存 (20/1536) momojixing 2011-04-12 2011-04-20 21:00:38 by momojixing
[色谱质谱] 【求助】帮忙分析我的柱子究竟是氨基柱还是亲水相互作用柱呢 (1/1407) 阳光_SG 2010-11-25 2011-04-20 20:45:21 by 343788412
[其他分析] 固态核磁 (0/171) liangzaili 2011-04-20 2011-04-20 18:35:07 by liangzaili
[色谱质谱] 【求助】HPLC梯度洗脱中设置的问题    ( 1 2 ) (10/2572) WSW_Alone 2010-11-05 2011-04-20 18:27:30 by News
[色谱质谱] 反相C18色谱 流动相极性大 有机物出峰快? (8/2223) 1414671343 2011-04-18 2011-04-20 18:25:12 by News
[色谱质谱] 【求助】关于HPLC分析方法验证方案和报告(内标法) (2/1122) tycpm 2009-12-07 2011-04-20 18:08:02 by jxnccsq
【讨论】高效液相出峰太密 (5/891) tego 2011-03-20 2011-04-20 18:00:37 by jxnccsq
[色谱质谱] 【求助】ECD缓冲液配置方法和浓度问题    ( 1 2 ) (10/947) smilelp 2010-09-20 2011-04-20 17:27:06 by zhychen2008
【求助】大家推荐一款ICP-原子发射光谱(高悬赏) (10/1626) chenzhi-5 2011-04-13 2011-04-20 17:03:45 by fangrongli
【求助】关于红外压片法的问题    ( 1 2 3 4 ) (32/3085) 饭饭316 2010-10-29 2011-04-20 16:05:26 by 饭饭316
【求助】做ICP-MS不酸化的后果 (4/990) 2006010184 2011-04-11 2011-04-20 15:32:54 by summerlwl
【求助】EDTA 螯合问题 (5/1057) z3x93339 2011-04-14 2011-04-20 14:50:21 by 纯婧的天空
分散剂的选择 (1/720) 山泉无声 2011-04-20 2011-04-20 14:24:57 by 982121012
原子吸收 测镉 样品空白是负数正常吗 ?? (3/1849) 竹林青少 2011-04-19 2011-04-20 08:38:56 by 982121012
【求助】寻求此物质! (2/259) sundy710 2011-04-16 2011-04-20 07:57:39 by sundy710
【求助】《有机分子结构光谱鉴定》教材 (4/982) izhangxing 2010-11-24 2011-04-19 22:28:18 by zhuzhuchen8902
求助:抽提中遇到的问题 (0/132) kangdalian 2011-04-19 2011-04-19 22:07:33 by kangdalian
分散液液微萃取 (0/386) guoyayun40 2011-04-19 2011-04-19 20:13:53 by guoyayun40
【求助】聚丙烯空心纤维在哪个公司可以买到? (1/255) qianfan 2010-09-25 2011-04-19 20:03:32 by shanji小木虫
【求助】吡啶怎么去除 (1/766) zhaoruijun 2011-01-11 2011-04-19 17:50:22 by News
[色谱质谱] 【求助】质谱仪中有气体出口吗? (7/829) athinpig 2011-03-29 2011-04-19 17:37:35 by VENSTER
[色谱质谱] 【求助】地沟油中的一些难挥发性物质都有些什么? (3/362) fxw273 2011-04-09 2011-04-19 17:25:12 by jingjing1005
【求助】DMSO含量的检测 (2/775) csh0101 2011-04-13 2011-04-19 16:40:58 by wulihua_07
【求助】BSH-2 石油产品闭口闪点测定仪(宾斯基-马丁杯) (1/597) 毕丽杰 2011-04-14 2011-04-19 16:36:26 by wulihua_07
【求助】化工产品分析 (2/380) 大魔包 2011-04-12 2011-04-19 16:34:32 by wulihua_07
【讨论】纯净水 蒸馏水 (4/847) boimin1983 2011-04-14 2011-04-19 16:31:06 by wulihua_07
[色谱质谱] 【求助】请问各位虫友怎么算超线性范围了,谢谢。 (5/1104) yilin0103 2011-04-15 2011-04-19 16:24:00 by herenren
10%铬酸钾指示剂该如何配置 (1/4740) tjumfzh 2011-04-18 2011-04-19 16:14:41 by wulihua_07
【求助】有机胺滴定法-无色样品滴定法中操作中涉及到的“安瓶”是什么? (3/625) me471084707 2011-04-16 2011-04-19 16:10:02 by wulihua_07
浓盐酸中加入氯化钡溶液,出现大量沉淀 (金币≥2)(0/22) songzf1981 2011-04-19 2011-04-19 15:18:44 by songzf1981
【求助】紫外可见光谱图 (14/2663) kangdalian 2011-04-15 2011-04-19 15:01:01 by xuebin202
一般XPS某元素的结合能与查到的参考值的偏差在多少范围内可属于系统误差? (0/1297) michaeldi 2011-04-19 2011-04-19 14:55:41 by michaeldi
【求助】怎样保证分液漏斗的活塞部位不漏水    ( 1 2 ) (10/1935) 雨吹风 2011-03-16 2011-04-19 12:46:48 by achust2009
【求助】过筛一般是指筛下部分占多大比例 (5/1344) suruo 2011-04-08 2011-04-19 12:40:49 by achust2009
谁知道氨基己酸怎么定量 (2/239) liujd2010 2011-04-18 2011-04-19 12:40:06 by liujd2010
【讨论】学分析的体会    ( 1 2 ) (16/995) hengxia 2011-04-14 2011-04-19 12:32:13 by fangrongli
请教高人指导 (0/166) 1wangzhiqi 2011-04-19 2011-04-19 10:29:07 by 1wangzhiqi
[色谱质谱] 溶剂残留6min是什么峰 (2/358) lanyu19999 2011-04-18 2011-04-19 10:23:24 by 恶魔猎手
【求助】谁有铝及铝合金的国标化学分析方法 (2/370) 淡蓝七星 2009-10-09 2011-04-19 10:15:58 by 莫言9816
原吸赶酸的时候如果样品烧干,再用水溶解,检测值会降低吗? (2/2175) yujingschen 2011-04-19 2011-04-19 09:42:54 by 982121012
【求助】分散剂性能的测定 (1/613) 546289350 2011-03-14 2011-04-19 09:37:53 by scu2000
[关贴]【讨论】大家来讨论讨论此类物质该如何特异性鉴定 (6/728) jack757 2011-04-16 2011-04-19 08:26:52 by jack757
[其他分析] 【求助】求仪器分析试题及答案 (6/951) wangbin--5654 2011-04-13 2011-04-19 00:13:58 by nuannuankai
求文献!!!! (1/156) liuli871225 2011-04-18 2011-04-18 22:33:54 by I_promise
[色谱质谱] 【求助】求C18密度 (3/504) shuyaping 2011-04-16 2011-04-18 18:12:44 by shuyaping
求教此类物质,属于哪类! (0/154) yuanlidi 2011-04-18 2011-04-18 16:21:55 by yuanlidi
[色谱质谱] 液相样品测定 保留时间相关问题?? (2/583) margersy113 2011-04-18 2011-04-18 15:13:07 by 甘雕岅珠
[色谱质谱] 【求助】十溴二苯醚的HPLC分析方法 (1/639) sxyzt 2011-04-12 2011-04-18 15:09:42 by 风去无影
[数据分析] HPLC谱图部分重叠峰的积分 (金币≥2)(3/108) hjfx19880120 2011-04-18 2011-04-18 15:01:12 by chenxihuai
【讨论】ELSEVIER 这本杂志在分析化学中算什么样的杂志? (11/2028) daiyuding 2011-02-24 2011-04-18 14:54:48 by txwxt303
【求助】求助北理化所测试近红外荧光(NIR)的仪器型号 (1/222) momodwane 2011-04-15 2011-04-18 14:45:34 by pinguo
【求助】拉曼光谱振动问题 (5/1657) wst129 2010-05-14 2011-04-18 14:40:26 by pinguo
[色谱质谱] 【求助】提取样品时出现的诡异问题 (4/680) mljhfx 2011-04-14 2011-04-18 14:33:40 by mljhfx
【讨论】超声振荡与搅拌在萃取中作用的差别 (1/1939) yangyang04 2011-04-06 2011-04-18 12:00:17 by 清水绵长
[色谱质谱] 【求助】ICP-MS测得杂质偏低 (5/1447) 凡尘之子 2010-10-12 2011-04-18 11:51:54 by tin_gao
【讨论】关于溶液中所含离子的定量分析手段 (4/605) farrell_fy 2011-03-28 2011-04-18 11:37:21 by tin_gao
【求助】ICP-MS测定物质问题,谢谢! (3/471) zhengysigu 2011-04-12 2011-04-18 11:10:20 by tin_gao
【求助】可见光吸收峰跑偏了,咋个事? (4/562) 冰吉林 2010-10-25 2011-04-18 11:02:50 by flame怒
[色谱质谱] 【求助】液相样品测定问题,请教大家! (3/697) yangxicshe 2011-04-17 2011-04-18 10:51:01 by av0114
[关贴]【讨论】金币请教 氮化硼有没有光致发光性能呢 微米级的粉末 (2/373) 定定当 2010-07-02 2011-04-18 10:32:07 by yfc198810
【求助】紫外分析 (6/753) 孙海玲 2010-12-22 2011-04-18 10:32:01 by flame怒
[色谱质谱] 【讨论】关于杂质峰的问题    ( 1 2 3 ) (22/2244) caozh2008 2011-04-13 2011-04-18 09:49:10 by caozh2008
[色谱质谱] [关贴]【求助】色谱柱说明书 (2/547) seven607823 2011-04-16 2011-04-18 09:47:39 by 少一点回忆
[色谱质谱] [关贴]【求助】离子对色谱中流动相的酸碱性问题 (1/1001) 童心 2011-04-12 2011-04-18 09:41:24 by 童心
【求助】XPS (5/521) zhxg0123456 2011-04-14 2011-04-18 09:29:47 by zhxg0123456
[色谱质谱] 【求助】请教问题 (金币≥1)(2/22) yingkang 2011-04-17 2011-04-17 21:24:05 by DJJ20087097
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