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[热点] 如果工作了想读博,可以边工作边读全日制嘛? 铁达火车 2026-05-24 刚刚
【求助】根据Woodward规则 算一下最大吸收波长 (4/607) xiaoping1107 2011-03-29 2011-03-29 17:47:39 by xiaoping1107
【求助】有关硅胶柱的装填和使用问题 (0/472) maxiaoyan84 2011-03-29 2011-03-29 17:43:51 by maxiaoyan84
【求助】紫外检测方法问题?吸光度在不断减小! (2/710) margersy113 2011-03-29 2011-03-29 17:12:03 by 痴夷子皮
【求助】求助:亚硫酸氢铵含量的测定国标方法 (0/1954) liu-sha 2011-03-29 2011-03-29 17:11:33 by liu-sha
【求助】合成新手求助关于分析方面的,谢谢 (7/758) xqb520 2011-03-29 2011-03-29 17:05:51 by 痴夷子皮
[色谱质谱] 【求助】请教蛋白质质谱 (2/290) fallmonkey 2011-03-29 2011-03-29 17:01:54 by fallmonkey
[色谱质谱] [关贴]【求助】质谱mild excitation techniques (0/175) 12lubing 2011-03-29 2011-03-29 16:25:30 by 12lubing
[色谱质谱] 【求助】关于hplc,各位兄弟救命啊~~~    ( 1 2 ) (12/1763) heroyan 2011-03-22 2011-03-29 16:21:23 by 1414671343
【讨论】喜树碱类化合物(伊立替康、拓扑替康、羟基喜树碱)容量法测定含量 (3/874) wuhuiwolf 2011-03-16 2011-03-29 15:24:13 by wuhuiwolf
【求助】测筛分,重复性为什么不好? (0/203) 刘晶晶 2011-03-29 2011-03-29 15:14:54 by 刘晶晶
[色谱质谱] 【求助】气相色谱溶剂与程序升温 (4/1056) lxtfly 2011-03-29 2011-03-29 15:08:15 by Renr
[色谱质谱] [关贴]【求助】谁的实验室有waters液相质谱,四元泵的? (3/576) shirley_lv 2011-03-29 2011-03-29 15:03:57 by laura汇
【求助】氧化锌灼烧至恒重 (2/3721) know19860907 2011-03-29 2011-03-29 14:51:07 by 甘雕岅珠
[色谱质谱] 【求助】样品分离出现问题了。请教大家! (1/225) hebeilisbi 2011-03-29 2011-03-29 14:50:23 by shesui
【求助】求助peylene苝的log Kow值 (金币≥1)(0/16) gady1103 2011-03-29 2011-03-29 14:40:20 by gady1103
【求助】求北京或杭州纯钙纯度分析 (0/121) chxmright 2011-03-29 2011-03-29 14:27:06 by chxmright
[色谱质谱] 【求助】ICPMS样品类型项下的CalBlk等缩写各自是什么意思呢?多谢。 (1/3758) bigwhitegood 2011-03-29 2011-03-29 14:09:26 by jinglh8288
[色谱质谱] 【求助】柱子分析样品问题,请教一下! (0/160) serlisna 2011-03-29 2011-03-29 13:45:29 by serlisna
[色谱质谱] [color=LimeGreen]求助】请问哪有waters2695液相色谱质谱仪?[/color] (3/840) shirley_lv 2011-03-20 2011-03-29 13:15:33 by zhchhxiaob
[色谱质谱] 【求助】请教甲烷、氩气、氮气混合气中甲烷气的测定方法 (20/2827) 我不是蜘蛛侠 2011-03-22 2011-03-29 12:47:50 by 我不是蜘蛛侠
[色谱质谱] 【讨论】肽的液相分离条件摸索 (3/523) wangqp0801 2011-03-28 2011-03-29 12:11:13 by zhuiyu_
【求助】光度法 显色剂 二硫代二安替比林甲烷( DTPM) 是什么呢 (0/708) 玣点点 2011-03-29 2011-03-29 11:16:04 by 玣点点
【求助】CuPc(酞菁铜)和富勒烯(C60)的吸收发射峰(截止3月31日) (0/286) horizon13 2011-03-29 2011-03-29 10:59:30 by horizon13
【讨论】大家好 (3/308) harwb 2011-03-28 2011-03-29 10:42:04 by harwb
【求助】三甲基溴化锍检测方法 (1/500) 小泉他爹 2011-03-28 2011-03-29 10:34:25 by 小泉他爹
[色谱质谱] 【求助】液质 流动相检测发现问题了? (9/1909) serlisna 2011-03-25 2011-03-28 23:30:47 by chiraler
【求助】请问这句话是什么意思。 (1/670) zhuguichi 2011-03-28 2011-03-28 22:53:32 by sence2010
[色谱质谱] 【求助】unbuffered water (0/678) lilia05 2011-03-28 2011-03-28 22:05:16 by lilia05
【求助】组胺水溶液的电离常数? (1/275) 0509026 2010-12-27 2011-03-28 21:43:52 by 0509026
【求助】红外光谱检测物质问题,请教大家!! (1/271) yujingschen 2011-03-28 2011-03-28 21:17:19 by yujingschen
[数据分析] 【求助】急求高手解题 (0/376) wenhailan 2011-03-28 2011-03-28 20:45:51 by wenhailan
[色谱质谱] 【通告】免费使用仪器———气相色谱质谱联用仪(安捷伦7890-5975) (评阅+2) (1/404) vhqm 2011-03-28 2011-03-28 20:44:05 by pangzier
【求助】在滴定铵根离子时怎样排除锌离子的干扰? (0/314) xinxinqi 2011-03-28 2011-03-28 20:34:30 by xinxinqi
[色谱质谱] 【讨论】毛细管电泳-电导检测用的是什么工作站? (0/114) zyzllover1 2011-03-28 2011-03-28 20:00:05 by zyzllover1
【求助】一种金属离子会变色的? (0/342) dageliumang 2011-03-28 2011-03-28 19:39:04 by dageliumang
[色谱质谱] 【求助】CIPAC中二氯喹啉酸的最新分析方法是哪一年发布的? (0/308) csliu2011 2011-03-28 2011-03-28 19:34:26 by csliu2011
【求助】求助ISO标准 (1/276) zhlrui 2011-03-28 2011-03-28 19:24:32 by shenjg63
【求助】50ml聚四氟乙烯反应釜和980nm激光器在哪里买的? (0/484) luckydoor 2011-03-28 2011-03-28 19:08:18 by luckydoor
【求助】化学题 (3/219) 吴勇鑫 2011-03-28 2011-03-28 18:39:55 by 吴勇鑫
[色谱质谱] 【求助】柱子样品测定 流动相相关问题? (3/581) margersy113 2011-03-28 2011-03-28 18:30:53 by 痴夷子皮
[色谱质谱] 【讨论】石油醚 (0/218) 呢呢 2011-03-28 2011-03-28 17:42:40 by 呢呢
【求助】壳寡糖检测 (金币≥100)(5/58) tiany2009 2010-07-13 2011-03-28 17:23:59 by 再顾青城
[色谱质谱] 【求助】填充柱固定液流失 (0/341) luner1803 2011-03-28 2011-03-28 17:20:56 by luner1803
[其他分析] 【讨论】有机酸盐粉末能否做扫描电镜看形貌 (0/180) shufeishu 2011-03-28 2011-03-28 17:14:43 by shufeishu
[色谱质谱] 【求助】请问下高手想用GC色谱的峰面积百分比做一个产物成分的趋势分析 (5/1640) as0075 2011-03-28 2011-03-28 16:41:36 by herenren
[色谱质谱] 【求助】请问国产的哪个牌子型号的柱温箱好 (0/1465) daweig2008 2011-03-28 2011-03-28 16:35:51 by daweig2008
【求助】二(2-呋喃)氯化膦的核磁磷谱峰出在哪里? (0/503) youhongxing0 2011-03-28 2011-03-28 16:31:53 by youhongxing0
【讨论】请问四氯化碳直接倒入下水道后果严重不? (1/1536) jinglh8288 2011-03-28 2011-03-28 16:25:28 by niuzixia
[色谱质谱] 【求助】菜鸟问题:样品成分复杂,例如含无机盐时,该怎样用气相色谱来测 (0/1176) xuyj1982 2011-03-28 2011-03-28 16:05:07 by xuyj1982
【求助】PP-15型pH计的使用及校正方法 (2/640) xiejie860601 2011-03-27 2011-03-28 15:55:06 by studentg
[关贴]【求助】请帮忙看一下这两个红外图谱 (1/293) seasea812 2011-03-28 2011-03-28 15:44:38 by pinguo
[色谱质谱] 【求助】HPLC停泵后压力回不到0 (22/3142) yanyun911 2011-03-14 2011-03-28 15:29:04 by 朝阳小狐狸
[色谱质谱] 【求助】ICPMS排液不再是均匀的了,怎么了? (5/790) bigwhitegood 2011-03-17 2011-03-28 14:45:46 by bigwhitegood
【求助】请问如何配置25mm/L硼砂-磷酸二氢钾(pH9.0)的缓冲液 (12/3102) caihong333 2011-03-13 2011-03-28 14:32:56 by caihong333
【求助】核磁共振谱图 (0/252) lvfuju 2011-03-28 2011-03-28 14:05:36 by lvfuju
[数据分析] 【求助】用origin做了标准曲线,能用该软件求出线性范围吗? (6/1963) arenaworld 2011-03-25 2011-03-28 13:55:38 by wenwubaohu
[色谱质谱] 【求助】梯度洗脱设置 (6/1300) wq8212 2011-03-21 2011-03-28 13:51:31 by wq8212
【求助】溶液成分分析 (2/342) 小蚂蚁07 2011-03-26 2011-03-28 13:49:59 by 小蚂蚁07
【求助】微弧氧化液中铝的含量测定 (0/404) digua1015 2011-03-28 2011-03-28 13:10:14 by digua1015
[色谱质谱] 【求助】正相柱与反相柱 (8/2932) guoyayun40 2011-03-27 2011-03-28 12:38:29 by jinglh8288
【求助】铜试剂 (1/708) l40502060226 2011-03-28 2011-03-28 12:24:31 by jinglh8288
[色谱质谱] 【求助】液相色谱长时间不用, (4/1566) duan74 2011-03-28 2011-03-28 12:21:27 by tian0429
【求助】样品化验的理化项目一般都有哪些?谢谢! (1/315) zhengysigu 2011-03-28 2011-03-28 12:21:02 by jinglh8288
【求助】国标法测定石油产品水分中,工业溶剂油用什么?又怎样脱水?急需!谢谢! (金币≥4)(2/38) mowen6688 2011-03-07 2011-03-28 12:15:23 by jinglh8288
【求助】脉冲吸附问题,脱附量比吸附量还多,请问是怎么回事? (0/219) feixiosng51 2011-03-28 2011-03-28 11:44:17 by feixiosng51
[分析前沿] 【求助】DNA三螺旋绑定剂 (1/257) 649251126 2011-03-21 2011-03-28 10:56:19 by 649251126
【讨论】有谁做过固体荧光吗? (4/1175) loveliangwei 2011-03-28 2011-03-28 10:50:46 by loveliangwei
[色谱质谱] 【求助】香草酸咖啡酸怎么分开啊 (0/230) cndddbeyond 2011-03-28 2011-03-28 10:28:51 by cndddbeyond
[色谱质谱] 【求助】小分子羧酸的液相测定方法是什么呢 (1/831) 107278161713 2011-03-28 2011-03-28 10:06:03 by 甘雕岅珠
[色谱质谱] 【求助】小分子羧酸的液相测定方法是什么呢 (0/103) 107278161713 2011-03-28 2011-03-28 09:55:01 by 107278161713
【求助】springerLink数据库文献求助 (0/772) sunhaiyi85 2011-03-28 2011-03-28 09:43:36 by sunhaiyi85
【求助】PORAPLOT Q 色谱柱 分析CH4,C2H8,CH3OH,CH3OCH3 (0/281) tanghua8196 2011-03-28 2011-03-28 09:34:26 by tanghua8196
[分析前沿] 【求助】悬赏,高手进,区分两种分子 (0/239) 叫啥好呢 2011-03-28 2011-03-28 09:31:28 by 叫啥好呢
[色谱质谱] 【求助】液相色噪声的定义 (0/471) someday1985 2011-03-28 2011-03-28 09:21:12 by someday1985
[色谱质谱] 【求助】气相色谱和质谱的接口技术 (0/506) jchenah 2011-03-28 2011-03-28 09:13:58 by jchenah
[色谱质谱] 【求助】流动相pH值波动会不会导致基线的变化? (7/1414) 山果果 2011-03-24 2011-03-28 02:58:05 by 山果果
【求助】醋酸锑与溴酸钾的化学反应方程式 (0/1113) xiaozi323 2011-03-27 2011-03-27 23:50:09 by xiaozi323
[色谱质谱] 【求助】指纹相似评价 导入问题 (2/230) 峥岩 2010-03-19 2011-03-27 22:57:00 by 如一戈戈
【求助】样品实验检测相关问题,请教!! (0/171) yzhlasiI 2011-03-27 2011-03-27 17:15:52 by yzhlasiI
[关贴]【求助】求助文献 (0/84) yangguo0813 2011-03-27 2011-03-27 15:45:24 by yangguo0813
【求助】药物分析类的杂志有哪些 (2/1786) maomaorong 2011-03-27 2011-03-27 15:21:35 by Wendee
【讨论】如何快速分析乳液中过氧化值的含量,都有哪些方法,最好是最简单的,求高人指 (0/237) 清灵梦幻 2011-03-27 2011-03-27 14:44:01 by 清灵梦幻
[色谱质谱] 【求助】这个方法是否可以用于分析四甲基氢氧化铵中的碳酸根 (2/502) 凡尘之子 2011-03-27 2011-03-27 13:53:43 by 凡尘之子
【求助】ICP 或AAS测的是溶液中总金属离子浓度吗, (2/795) hnxqb 2011-03-27 2011-03-27 13:25:57 by swordgang
[色谱质谱] 【求助】气相色谱法测苯系物 (7/1826) xianzipopo 2011-03-25 2011-03-27 12:54:43 by xianzipopo
【求助】液相测定 标准曲线相关问题? (5/1629) yangxicshe 2011-03-26 2011-03-27 12:52:44 by sunxiaoyang010
[色谱质谱] 【求助】求助岛津柱温箱部分管路堵塞如何处理? (2/752) luoqinfly 2011-03-27 2011-03-27 11:53:33 by ltxin2009
[色谱质谱] 【求助】绿茶醇提物色谱分析 (1/483) 曲阿郎 2011-03-26 2011-03-27 10:54:39 by chiraler
[版内事务] 【求助】广告贴如何处理? (1/366) 铁甲骑兵 2011-03-27 2011-03-27 10:24:40 by xiaoshm
【交流】四甲基氢氧化铵中碳酸盐怎样测定? (4/1136) 凡尘之子 2011-03-08 2011-03-27 10:11:18 by 凡尘之子
[分析前沿] 【其他】标准气 (ACI+1)(3/542) boimin1983 2011-03-25 2011-03-27 08:26:57 by 追风的蓝刺猬
【交流】能量色散X荧光光谱仪,三维偏振X荧光光谱仪,波长色散X荧光光谱仪 (1/909) bjcmt 2011-03-26 2011-03-27 08:25:55 by 追风曦
[数据分析] 【求助】homlog和congener的区别 (0/503) 虚阁悬琴 2011-03-26 2011-03-26 23:23:28 by 虚阁悬琴
【求助】在进行核磁共振实验时为什么选择zg30脉冲序列? (0/1273) 橙汁vs雪碧 2011-03-26 2011-03-26 22:33:53 by 橙汁vs雪碧
[色谱质谱] 【求助】KH-2100型薄层色谱扫描仪操作流程 (0/1203) weidazhang 2011-03-26 2011-03-26 21:46:58 by weidazhang
[其他分析] 【求助】核磁共振 芳碳率 (1/849) 半拉鸡蛋饼 2011-03-26 2011-03-26 21:38:41 by hjjhxh
[分析前沿] [关贴]【求助】标准气 (0/197) boimin1983 2011-03-26 2011-03-26 21:17:38 by boimin1983
【求助】求助:如何分析薄膜样品中H元素的深度和含量? (0/266) wendy-happy 2011-03-26 2011-03-26 20:41:00 by wendy-happy
[色谱质谱] 【求助】样品和标准品溶液的不同对结果有影响吗? (7/1738) gielcheen 2011-03-24 2011-03-26 19:52:59 by 风去无影
【求助】请教下做红外的样品纯度最少需要多少 (3/1588) zxx110 2011-03-23 2011-03-26 19:52:18 by 1362169508
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