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[热点] 河北省自然科学基金 Peterchao 2026-05-23 刚刚
求助帮忙分析一下核磁图谱 (0/191) jimin_y 2011-04-27 2011-04-27 11:10:49 by jimin_y
【求助】求助几张核磁谱图 (4/353) 朱婧雯 2011-04-12 2011-04-27 10:36:42 by 伊人醉
[分析前沿] [关贴]激光粒度分析仪的原理? (1/1090) wangwei51669 2011-04-26 2011-04-27 10:22:07 by dx109
[色谱质谱] 【求助】请问哪个牌子的移液管最精确? (7/2562) paperilov 2011-04-09 2011-04-27 10:18:34 by dx109
【求助】怎么配下面的缓冲液 (6/1040) huangting1280 2010-07-04 2011-04-27 10:09:34 by 蕊1989
【求助】中药材提取问题 (4/1347) zhangxh9882 2011-04-11 2011-04-27 09:36:27 by pepperchen
[色谱质谱] 出现杂质峰时应该怎么积分 (4/1121) hebeilisbi 2011-04-26 2011-04-27 09:11:38 by lanfenglanyu
关于固体样品做氢谱的问题 (7/1220) cailianguo 2011-04-25 2011-04-27 08:01:50 by cailianguo
[数据分析] 【求助】DSC测试相变温度和相变潜热后的.001文件该怎么处理 (2/935) 冀安 2011-04-07 2011-04-26 20:49:24 by serene365
[色谱质谱] 为什么纳米盘总是无法下载啊 (2/318) jxnccsq 2011-04-19 2011-04-26 16:09:21 by zhengshuqin3
【求助】让日本人认可自己的方法 (金币≥1)(2/68) 408851978 2011-04-12 2011-04-26 14:57:31 by 408851978
[色谱质谱] 【求助】生物样品的HPLC分析    ( 1 2 ) (评阅+1) (11/1840) 416858594 2010-09-26 2011-04-26 14:49:06 by chaira
【求助】求助三甲胺标样浓度 (2/215) liangshijiao 2010-09-18 2011-04-26 14:47:03 by 对吻鱼
[色谱质谱] 【求助】waters系统软件的高效液相问题 (12/3721) 学员flZGKF 2011-02-15 2011-04-26 10:31:56 by zzwrwzhj
目前原子光谱分析领域研究最热的除了ICP-MS,还有什么?? (1/457) achust2009 2011-04-25 2011-04-26 09:21:55 by herenren
【求助】新手问题:一个化合物的红外分析 (1/178) ultrafrost 2010-10-22 2011-04-26 08:52:32 by ultrafrost
[色谱质谱] 【求助】气相色谱出峰很慢 (9/3077) 醉逍遥 2010-05-14 2011-04-26 08:19:05 by 醉逍遥
[色谱质谱] 哪里下载标准液相色谱图 (金币≥10)(0/39) zhangtao828 2011-04-26 2011-04-26 00:31:39 by zhangtao828
[其他分析] 【求助】热重分析 (金币≥1)(7/107) wendy326 2011-04-11 2011-04-26 00:21:32 by duklin
【求助】丙三醇的峰型大概是什么样的? (0/578) 倔强的小毛驴 2011-03-25 2011-04-25 23:30:00 by 倔强的小毛驴
[色谱质谱] 【求助】请教一个有关UPS的问题    ( 1 2 ) (10/1987) Archimedes 2010-10-13 2011-04-25 22:39:10 by Archimedes
红外光谱两组图之间有什么差别?谢谢! (1/436) 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 (2/362) 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 (5/447) 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 (2/738) 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? (1/3095) 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? (1/344) 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 (1/471) 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 (6/2333) sunny1212 2009-09-16 2011-04-25 16:02:55 by sunny1212
[色谱质谱] 化合物不显MS (7/2625) 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? (4/3032) 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? (4/562) lengshuai 2011-04-14 2011-04-24 19:40:01 by cuplichunxia
【求助】核磁的羟基峰问题    ( 1 2 ) (10/3439) fanxinzeng 2011-04-15 2011-04-24 15:33:20 by wzshuan
[色谱质谱] 【求助】LC-MS软件 (6/712) 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 (1/497) guopeng19873 2010-12-03 2011-04-23 16:34:01 by jilly7860
【求助】元素分析仪的资料 (3/938) 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 (1/398) 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 (0/361) 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 ) (24/3293) 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 (4/534) 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 (5/997) 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 (1/316) 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 (1/10225) 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。。。。 (1/448) 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? (1/356) 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? (2/387) lhj666 2009-12-19 2011-04-22 10:14:12 by wwf2004
[色谱质谱] 【求助】气相色谱分析 (10/1056) 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 (2/517) 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 (6/1056) 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 (9/1845) 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?? (0/213) 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 (4/1303) 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。 (2/472) 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 (20/1629) 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 (1/1443) 阳光_SG 2010-11-25 2011-04-20 20:45:21 by 343788412
[其他分析] 固态核磁 (0/182) 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 ) (10/2768) 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? (8/2351) 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) (2/1137) tycpm 2009-12-07 2011-04-20 18:08:02 by jxnccsq
【讨论】高效液相出峰太密 (5/947) 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 ) (10/1018) 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) (10/1773) 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 ) (32/3282) 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 (4/1016) 2006010184 2011-04-11 2011-04-20 15:32:54 by summerlwl
【求助】EDTA 螯合问题 (5/1113) z3x93339 2011-04-14 2011-04-20 14:50:21 by 纯婧的天空
分散剂的选择 (1/751) 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 ?? (3/1895) 竹林青少 2011-04-19 2011-04-20 08:38:56 by 982121012
【求助】寻求此物质! (2/283) 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 (4/1003) izhangxing 2010-11-24 2011-04-19 22:28:18 by zhuzhuchen8902
求助:抽提中遇到的问题 (0/147) kangdalian 2011-04-19 2011-04-19 22:07:33 by kangdalian
分散液液微萃取 (0/410) 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? (1/285) qianfan 2010-09-25 2011-04-19 20:03:32 by shanji小木虫
【求助】吡啶怎么去除 (1/789) 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? (7/918) 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? (3/381) fxw273 2011-04-09 2011-04-19 17:25:12 by jingjing1005
【求助】DMSO含量的检测 (2/803) 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) (1/633) 毕丽杰 2011-04-14 2011-04-19 16:36:26 by wulihua_07
【求助】化工产品分析 (2/495) 大魔包 2011-04-12 2011-04-19 16:34:32 by wulihua_07
【讨论】纯净水 蒸馏水 (4/936) 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。 (5/1150) yilin0103 2011-04-15 2011-04-19 16:24:00 by herenren
10%铬酸钾指示剂该如何配置 (1/4763) 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? (3/683) 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 (14/2867) 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? (0/1307) 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 ) (10/2103) 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 (5/1362) suruo 2011-04-08 2011-04-19 12:40:49 by achust2009
谁知道氨基己酸怎么定量 (2/265) liujd2010 2011-04-18 2011-04-19 12:40:06 by liujd2010
【讨论】学分析的体会    ( 1 2 ) (16/1031) hengxia 2011-04-14 2011-04-19 12:32:13 by fangrongli
请教高人指导 (0/180) 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 (2/396) 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 (2/406) 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? (2/2219) yujingschen 2011-04-19 2011-04-19 09:42:54 by 982121012
【求助】分散剂性能的测定 (1/622) 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 (6/780) 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 (6/994) wangbin--5654 2011-04-13 2011-04-19 00:13:58 by nuannuankai
求文献!!!! (1/171) liuli871225 2011-04-18 2011-04-18 22:33:54 by I_promise
[色谱质谱] 【求助】求C18密度 (3/531) shuyaping 2011-04-16 2011-04-18 18:12:44 by shuyaping
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