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[热点] 什么时候出结果,有咨询渠道??? Tide man 2026-08-17 刚刚
[色谱质谱] 用气质做烟头里面残留的尼古丁,定量的话可以用什么做内标 (3/744) 警院孤狼 2015-03-15 2015-09-15 01:24:06 by 野狗般战斗着
[色谱质谱] [已完结]气相色谱毛细柱 (8/1201) zhang66163 2015-09-11 2015-09-15 01:02:54 by 野狗般战斗着
[色谱质谱] [已完结]做气相时的进样温度、温度梯度、保持时间怎么设定?跟沸点有关系吗 (8/3141) 天高任我菲 2015-09-14 2015-09-15 00:36:51 by niu0520322
[色谱质谱] [已完结]含氮化合物 流动相选择 (6/1018) wenqing9836 2015-09-13 2015-09-15 00:30:00 by 野狗般战斗着
[色谱质谱] [已完结]Agilent色谱出问题,急问 (4/848) muohio896 2015-09-12 2015-09-14 20:36:24 by xl00708
[色谱质谱] [已完结]求助用气相色谱分析混合液中γ-戊内酯含量的方法 (0/412) 快乐逍遥 2015-09-14 2015-09-14 19:15:05 by 快乐逍遥
[色谱质谱] [已完结]草甘膦FMOC-CL衍生法 标准品不出峰,求柱子大概梯度条件。 (评阅+2) (1/2176) lovesong91 2015-06-11 2015-09-14 16:39:00 by 时常忍不住
[色谱质谱] [已完结][关贴]求助,做过30%草铵膦母液的高手进来 (0/2039) 肇庆真格生物 2015-09-14 2015-09-14 11:59:33 by 肇庆真格生物
[色谱质谱] [已完结]离子色谱样品前处理 (4/1269) 在屋顶唱歌 2015-09-11 2015-09-14 10:57:13 by wyy080214
[色谱质谱] [已完结]求助,离子色谱测阴离子时淋洗液和做标准曲线物质的阳离子是否需要一致 (3/871) donkeyrun 2015-08-06 2015-09-14 08:37:23 by yeewm
[色谱质谱] [已完结]含金属离子的样品测试离子色谱的前处理方法 (4/1081) 空空135 2015-07-14 2015-09-14 05:42:59 by yeewm
[色谱质谱] [已完结]请问戴安的高效液相色谱怎么积半峰 (2/626) 天堂海_珈 2015-09-11 2015-09-13 18:51:47 by Fhlyonline
[色谱质谱] HPLC相关问题 (4/1300) 下一站de幸福 2015-09-09 2015-09-13 15:50:28 by nilongdao225
[色谱质谱] [已完结]手动进样日立柱前压力升高 (1/352) 雪落纷纷 2015-09-12 2015-09-12 22:27:00 by cpuclz
[色谱质谱] [已完结]关于氯甲酸乙酯和氯乙酸乙酯含量测定的气相问题    ( 1 2 ) (13/2699) someday1985 2012-12-07 2015-09-12 18:38:10 by 星辰71
[色谱质谱] [已完结][关贴]丙酮转化率计算问题 (0/506) 多多lxlgl 2015-09-12 2015-09-12 16:04:49 by 多多lxlgl
[色谱质谱] 分析 (32/1022) 蓝色情遇 2015-09-12 2015-09-12 16:04:44 by 李慧玲
[色谱质谱] [已完结]急求,气相色谱测脂肪酸甲酯出峰出不好    ( 1 2 3 ) (25/2331) 南小丁 2015-09-04 2015-09-12 11:57:20 by hnyoubiao
[色谱质谱] NH2柱测橙汁中果糖、葡萄糖、蔗糖的 HPLC 条件?    ( 1 2 3 ) (20/2654) hanzhihanzhi 2015-01-27 2015-09-11 23:04:35 by hanzhihanzhi
[色谱质谱] [已完结][关贴]药材做液质联用分析,一般如何提取? (0/244) johnson3917 2015-09-11 2015-09-11 21:40:02 by johnson3917
[色谱质谱] [关贴]导师情况 (5/373) mimangzhong 2015-09-11 2015-09-11 19:07:27 by 费姚永芬
[色谱质谱] [已完结][关贴]气相色谱分析四氯化硅和甲基氯硅烷 (0/461) wangjuan696 2015-09-11 2015-09-11 17:29:43 by wangjuan696
[色谱质谱] [已完结]做GC-MS加的内标2-辛醇通常用什么溶剂稀释 (0/2099) 一曲邪风 2015-09-11 2015-09-11 17:08:59 by 一曲邪风
[色谱质谱] [已完结][关贴]大家帮我看看我这个混合物给检测出来的两组图谱 (1/410) 【暗香】 2015-09-11 2015-09-11 16:11:21 by 【暗香】
[色谱质谱] [已完结]液相测试4-羟基哌啶纯度 (2/681) cxx777116 2015-09-11 2015-09-11 15:07:22 by lifucheng
[色谱质谱] [已完结][关贴]异戊二烯标准曲线 (0/476) 企鹅爱飞机 2015-09-11 2015-09-11 14:36:45 by 企鹅爱飞机
[色谱质谱] [已完结]液相,流动相是乙腈,峰拖尾怎么解决    ( 1 2 ) (15/2671) tuzilanlan 2015-09-05 2015-09-11 10:20:58 by zhouchunjuan
[色谱质谱] [已完结]小分子寡糖在反相色谱上有保留吗,比如C18上?    ( 1 2 ) (13/1878) LSCW 2015-03-04 2015-09-11 05:25:42 by iamyu92
[色谱质谱] [已完结]气相单峰变成双峰了 (3/988) HYYzjut 2015-09-10 2015-09-10 22:38:50 by yan1984
[色谱质谱] [已完结]流动相配制问题 (3/884) 秋wqm 2015-09-10 2015-09-10 22:36:11 by yan1984
[色谱质谱] [已完结]高效液相色谱求助 (5/1449) 孔雀王 2015-04-30 2015-09-10 17:56:57 by tuzilanlan
[色谱质谱] [已完结]CE毛细管经常堵塞,怎么办 (0/327) wenfuyu123 2015-09-10 2015-09-10 16:57:55 by wenfuyu123
[色谱质谱] 液相色谱压力    ( 1 2 ) (19/1570) 下一站de幸福 2015-09-04 2015-09-10 15:26:57 by daisyzhangwei
[色谱质谱] [已完结]气相色谱出峰形不好,请各位高手指教指教 (8/1405) zuoyanqin 2015-09-08 2015-09-10 15:23:31 by daisyzhangwei
[色谱质谱] [已完结]求助液相或气相方法 (1/365) renaihua 2015-09-09 2015-09-10 15:10:29 by daisyzhangwei
[色谱质谱] [已完结]气相色谱柱的选择 (4/1041) 淡然如花 2015-09-09 2015-09-10 14:54:20 by daisyzhangwei
[色谱质谱] [已完结]气相色谱选柱子 (1/299) HYYzjut 2015-09-10 2015-09-10 14:47:44 by daisyzhangwei
[色谱质谱] [已完结]初学者求助 (0/225) elicszhang 2015-09-10 2015-09-10 11:57:41 by elicszhang
[色谱质谱] [已完结][关贴]关于USP(341)用GC测定苯甲醇方法所用色谱柱 (0/764) 风儿吹沙儿飞 2015-09-10 2015-09-10 10:32:26 by 风儿吹沙儿飞
[色谱质谱] [已完结][关贴]用氮气做载气,TCD为检测器,分离氧气,一氧化碳,二氧化碳 (0/2910) liu618xu 2015-09-10 2015-09-10 08:13:25 by liu618xu
[色谱质谱] [关贴]【求助】如何查看贝克曼毛细管电泳仪紫外灯的使用时间    ( 1 2 ) (11/2203) ljxn 2009-09-25 2015-09-10 08:11:01 by 小迪0405
[色谱质谱] [已完结][关贴]气相色谱分析!急用!!! (1/1372) MA598324143 2015-09-04 2015-09-10 08:03:15 by liu618xu
[色谱质谱] [已完结]Agilent7890柱压问题 (2/320) fan236 2015-09-09 2015-09-09 21:29:09 by fan236
[色谱质谱] [已完结]求一混合物的气相分析方法,主要是顶空自动进样是的参数设定 (1/976) linceyu 2015-09-09 2015-09-09 20:35:53 by lifucheng
[色谱质谱] [已完结]用ChemBioDraw怎么画这样的图    ( 1 2 ) (17/5936) fang2010 2015-09-08 2015-09-09 16:01:34 by 菠菜哥
[色谱质谱] [已完结]GC基线一直不稳 (7/3198) 不啻流年 2015-09-08 2015-09-09 14:07:51 by liantian1986
[色谱质谱] [已完结][关贴]关于 DMS footprinting 的相关问题 (0/1386) crystal_yyt 2015-09-09 2015-09-09 11:26:38 by crystal_yyt
[色谱质谱] [已完结]样品沸点260℃,怎么设置气相条件    ( 1 2 ) (12/2332) wenqing9836 2015-09-08 2015-09-09 11:01:22 by yankunsu
[色谱质谱] 关于保留指数 (0/888) 姗姗来晚 2015-09-08 2015-09-08 20:11:22 by 姗姗来晚
[色谱质谱] [已完结]求助关于GC-MS峰面积归一法的问题!!!! (4/2424) xingfu1990 2015-08-17 2015-09-08 20:07:17 by wyy080214
[色谱质谱] [已完结][关贴]农产品中咪鲜胺的检测 (4/1814) BOSS陈 2015-09-08 2015-09-08 16:44:42 by BOSS陈
[色谱质谱] [已完结][关贴]内标法与外标法具体操作步骤 (0/1686) 考博的孩子 2015-09-08 2015-09-08 16:28:12 by 考博的孩子
[色谱质谱] [已完结][关贴]实验室没有水相的滤膜了,可以用有机相的滤膜代替使用吗?    ( 1 2 3 4 ) (评阅-5) (30/4834) fang2010 2015-09-06 2015-09-08 10:44:04 by xinjiayi
[色谱质谱] [已完结]求对混合气体进行定量的方法 (4/577) 流景闲草lzf 2015-08-03 2015-09-08 10:21:18 by 流景闲草lzf
[色谱质谱] [已完结]示差检测器压力 (6/1150) lxclxy 2015-09-06 2015-09-08 09:20:40 by lxclxy
[色谱质谱] [已完结]做顶空后进样口压力达不到什么原因 (5/2139) 小小石子1314 2015-08-08 2015-09-08 07:25:57 by 周哲
[色谱质谱] [关贴]【求助】怎么用origin画HPLC谱图 (4/5524) alibabax007 2011-01-06 2015-09-08 07:21:17 by lisq
[色谱质谱] [已完结][关贴]HILIC色谱柱能用甲醇冲柱吗? (8/2566) stingdhk 2015-09-07 2015-09-07 23:50:26 by superyeast
[色谱质谱] [已完结][关贴]7800 TCD 的操作 (0/220) cbbchris 2015-09-07 2015-09-07 20:57:21 by cbbchris
[色谱质谱] [关贴]普通的液相色谱柱子C18 5微米,用来分离蛋白质会怎么样?    ( 1 2 ) (评阅+1) (17/5253) songzi136 2012-04-27 2015-09-07 17:26:14 by 尼达叶胶囊
[色谱质谱] [已完结][关贴]求助分离鱼油中epa和dha分离度不够上样量低 (0/304) gao945178686 2015-09-07 2015-09-07 16:24:20 by gao945178686
[色谱质谱] [已完结][关贴]黄曲霉毒素B1的萃取及衍生化 (0/930) 103007054025 2015-09-07 2015-09-07 11:25:56 by 103007054025
[色谱质谱] [已完结][关贴]有谁做过fetuin 胎球蛋白的PronaseE 酶解实验吗? (0/469) 乔亚丽 2015-09-07 2015-09-07 10:01:16 by 乔亚丽
[色谱质谱] [已完结][关贴]SIM模式选择的离子对峰面积的影响 (0/618) 虫虫会员 2015-09-07 2015-09-07 08:53:16 by 虫虫会员
[色谱质谱] [已完结]GC-MS 测定物质含量、、、 (评阅+2) (2/858) tmty 2015-09-06 2015-09-07 08:41:57 by haozii
[色谱质谱] TLC (5/725) wlm0917 2015-09-03 2015-09-07 08:29:31 by da1234mao
[色谱质谱] [已完结][关贴]油酸含量测定方法 (0/2615) Poseidon1号 2015-09-06 2015-09-06 22:45:26 by Poseidon1号
[色谱质谱] [关贴]油酸共聚物能拿什么测含量? (3/545) 三月烟花祭 2013-04-11 2015-09-06 19:42:47 by Poseidon1号
[色谱质谱] [已完结][关贴]气相ECD检测电流设置问题 (0/2286) xiaofei523 2015-09-06 2015-09-06 17:34:56 by xiaofei523
[色谱质谱] [已完结]怎么分离两个极性都很大且很相近的物质,其中一种是糖的衍生物?    ( 1 2 3 ) (20/1983) 1336768414 2015-08-31 2015-09-06 14:19:53 by ethernet3399
[色谱质谱] [已完结]利用HPLC分析三种咪唑类物质,分不开,且基本无保留如何解决 (9/1343) 杨欢_陕西 2015-09-02 2015-09-06 09:23:29 by 杨欢_陕西
[色谱质谱] [已完结][关贴]求助!峰形分叉是柱子污染了吗?该怎么处理?有图    ( 1 2 ) (14/2699) wo5133334 2014-02-09 2015-09-06 08:21:05 by 小贵子墨墨
[色谱质谱] [已完结][关贴]甲基对硫磷标液稀释后在FPD上检测不到 (0/794) 铁甲骑兵 2015-09-05 2015-09-05 20:10:08 by 铁甲骑兵
[色谱质谱] [已完结]HPLC测果糖蔗糖葡萄糖 氨基柱 波长是多少啊 (评阅+3) (4/1336) sdxc9024 2015-01-23 2015-09-05 19:02:40 by wonenggwl1
[色谱质谱] [已完结]用SPD-20A测的无水乙醇相同条件下为什么峰会不一样 (7/922) 下一站de幸福 2015-09-05 2015-09-05 17:02:41 by ethernet3399
[色谱质谱] [已完结]色谱峰面积异常 求助 (4/678) lionpeter 2015-09-02 2015-09-05 10:45:23 by yan1984
[色谱质谱] [已完结]Antec HPLC-ECD (0/824) zhaozuzhi2008 2015-09-05 2015-09-05 09:52:50 by zhaozuzhi2008
[色谱质谱] [已完结]液质方法的定量限和检测限 (2/1982) 大橡树 2015-09-04 2015-09-04 12:02:00 by 大橡树
[色谱质谱] 无水乙醇(HPLC)分析    ( 1 2 ) (评阅+2) (11/3108) 下一站de幸福 2015-09-03 2015-09-04 09:21:33 by 下一站de幸福
[色谱质谱] [已完结][关贴]气相色谱出现倒峰是怎么回事? (9/7356) napxy 2013-08-07 2015-09-04 09:17:38 by liuxinling
[色谱质谱] [已完结]岛津2010基线上下漂移问题求助 (5/1072) stonespm 2015-07-09 2015-09-03 20:40:25 by liuhaifen
[色谱质谱] [已完结]β—胡萝卜素的液相色谱分析    ( 1 2 ) (10/2134) wangaa2008 2015-08-06 2015-09-03 17:11:13 by lczch789
[色谱质谱] [已完结][关贴]请问如果高氯酸根浓度很高时如何测定水样中的有机酸浓度 (1/532) ryanaaazzz 2015-09-02 2015-09-03 08:43:47 by ryanaaazzz
[色谱质谱] [已完结]安捷伦6890A-5975C气质,调谐文件不出现 (2/1823) chyy 2015-09-01 2015-09-02 15:09:47 by chyy
[色谱质谱] 液相保留时间有规律的前移,怎么解决? (6/2207) 仙女格格 2015-09-01 2015-09-02 14:50:02 by superyeast
[色谱质谱] [已完结][关贴]气相色谱仪测气体 (评阅+1) (7/2103) 2224963626 2012-08-17 2015-09-02 13:55:11 by 徜徉游弋
[色谱质谱] 包装材料中氯乙烯单体的气相测定条件 (3/1008) candytt1982 2015-08-10 2015-09-02 13:31:47 by candytt1982
[色谱质谱] [已完结]HPLC流动相中水比例较高时,必须选用耐水的色谱柱吗?    ( 1 2 ) (11/1624) lenka.ctt 2015-08-31 2015-09-02 13:25:25 by copeal
[色谱质谱] [已完结]脂肪酸的鉴定,使用氢气作为载气好,还是使用氮气好?    ( 1 2 ) (18/1779) hnyoubiao 2015-07-03 2015-09-02 12:13:01 by 公仪冬儿
[色谱质谱] 【求助】请教流动相问题    ( 1 2 ) (11/1653) ghy2099 2010-07-22 2015-09-02 11:29:08 by lemonwanwan
[色谱质谱] [已完结]气相色谱柱子的接法对分析结果的影响 (7/1074) 秦川萝卜头 2015-08-22 2015-09-02 08:29:09 by haozii
[色谱质谱] [已完结][关贴]GC-MS前处理求助 (8/2650) 小学的猫 2014-11-07 2015-09-02 05:33:28 by haozii
[色谱质谱] [已完结]求问 (9/897) 孑然孤影2012 2015-08-23 2015-09-01 21:41:22 by cpuclz
[色谱质谱] [已完结][关贴]裂解气相色谱质谱连用 (5/1429) 李增强 2013-03-23 2015-09-01 19:33:28 by shashi126
[色谱质谱] [已完结]流动相用不同的酸作用有何不同 (3/1310) zt19890314 2015-09-01 2015-09-01 17:36:51 by wyy080214
[色谱质谱] HPLC排气阀 (9/1626) wlm0917 2015-08-30 2015-09-01 16:07:11 by w41511222
[色谱质谱] [已完结]色谱分离 (3/553) duanli01 2015-08-29 2015-09-01 15:49:08 by lifucheng
[色谱质谱] [已完结]Sephadex LH20洗脱剂的选择 (2/717) 开心小迷糊 2015-08-31 2015-09-01 15:08:10 by 开心小迷糊
[色谱质谱] [已完结][关贴]waters仪器 (0/366) lee@宏 2015-09-01 2015-09-01 14:29:41 by lee@宏
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