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    [热点] 请教限项目规定 cpatefo 2026-01-19 刚刚
    请各位朋友帮忙 (评阅-2) (0/39) jim5362 2008-10-30 2008-10-30 17:08:04 by jim5362
    求助:如何分析氟离子的含量 (5/545) chengjian5906 2008-10-30 2008-10-30 16:20:19 by chengjian5906
    硫硫键如何定量分析 5 (1/61) ziyoudeyu 2008-10-30 2008-10-30 15:08:53 by 老董
    xps如何分峰 (3/843) christianlzs 2008-10-26 2008-10-30 12:34:47 by N050420225
    [关贴]什么金属可以溶于碱溶液???    ( 1 2 ) (评阅+1) (10/612) 焦俊 2008-10-21 2008-10-30 12:12:04 by 佳怡
    【求助】气相色谱问题    ( 1 2 ) (13/662) G-C 2008-10-25 2008-10-30 12:00:27 by jessonkarry
    [求助]怎样测密闭容器内粉末挥发的气体的浓度? (0/41) hikozl 2008-10-30 2008-10-30 11:17:26 by hikozl
    请教高手,糖焦化是什么意思?多糖焦化的温度是多少?结构变成什么样子了?万分感谢 (0/43) ppt121 2008-10-30 2008-10-30 10:39:02 by ppt121
    [关贴]气体挥发物收集仪器 求助 5 (1/70) 学员pqatyp 2008-10-19 2008-10-30 09:51:51 by chongchong8818
    吸附交流群 (3/47) 学员pqatyp 2008-10-24 2008-10-30 09:47:07 by chongchong8818
    [关贴]金属离子应该用什么仪器分析??? (5/415) 焦俊 2008-10-29 2008-10-30 09:18:22 by 焦俊
    [关贴]求助:求助硝基苯胺的紫外光谱最大吸收峰的计算方法? 4 (6/471) HPLC2008 2008-10-21 2008-10-30 09:12:19 by HPLC2008
    求助:硫酸硫酸铜体系中微量Cl-的测定方法 (0/46) tianyu1024 2008-10-30 2008-10-30 08:23:51 by tianyu1024
    请教:紫外吸收光谱测定蛋白质浓度 (3/563) 蛋黄派 2008-10-29 2008-10-29 22:51:06 by lchn18
    [关贴]【求助】化学各类相关专业问题 (8/497) kui12dujin 2008-10-26 2008-10-29 20:08:47 by 佳怡
    丙二醛测定 (0/238) xiaoxinxuer 2008-10-29 2008-10-29 19:02:14 by xiaoxinxuer
    气相色谱 1 (5/446) wangfahui6 2008-10-29 2008-10-29 17:38:16 by zw0115
    冲住 (1/64) 小毛虫8358 2008-10-29 2008-10-29 16:55:48 by roy9706
    各位老师,想请教一问题? (3/262) lithia 2008-10-19 2008-10-29 16:42:26 by coolbmw11
    请教滴定问题 (6/478) agenda313 2008-10-26 2008-10-29 16:14:57 by jinshanshi88
    求助:检测池堵了 (9/455) Tina5959 2008-10-29 2008-10-29 15:31:05 by wang1745
    求助:牛血清蛋白的溶解 (3/347) ld63462693 2008-10-28 2008-10-29 15:28:31 by wang1745
    实验中遇到的难题 (0/99) sunhee 2008-10-29 2008-10-29 15:16:20 by sunhee
    请问你们都用的什么规格和牌子的制备液相柱啊? 1 (2/98) dimpleliaoping 2008-10-29 2008-10-29 14:34:30 by Dreaming1233
    柱压高 (9/588) fanli2888 2008-10-17 2008-10-29 14:29:28 by ada2008
    [关贴]小菜求助:懂TOF-MS的大侠请进 (3/286) zjandzq 2008-10-28 2008-10-29 12:10:44 by zjandzq
    [关贴]向大家请教关于PH的问题 (5/92) 含笑1808 2008-10-28 2008-10-29 11:42:15 by 含笑1808
    求助氰酸钠的分析方法 (0/185) 843569151 2008-10-29 2008-10-29 11:42:01 by 843569151
    求助啊(对氨基酸进行检验 分析) (4/413) sjq10 2008-08-04 2008-10-29 11:34:52 by sjq10
    [关贴]有毒物质 (2/76) shuchang5070 2008-10-29 2008-10-29 10:51:15 by 佳怡
    酸性绿色碱性黄色的物质 (4/445) 柳上月梢 2008-10-28 2008-10-29 10:47:16 by 柳上月梢
    [版内事务] *****小木虫分析版求助规范(请发求助帖前先阅读)违反版规者扣除金币*****    ( 1 2 3 ) (24/2523) dnp 2008-03-15 2008-10-29 10:35:26 by zhaoyongqiang
    x--荧光光谱仪的安装中需要“Rp气体”是指什么气体? 5 (0/61) haha_good_88 2008-10-29 2008-10-29 10:32:49 by haha_good_88
    Fe(II)-EDTA和Fe(III)-EDTA络合物体系能用色谱分开吗? 10 (1/240) myp5188 2008-10-28 2008-10-29 09:52:11 by myp5188
    急求助(关于液相色谱柱子的问题)    ( 1 2 ) (10/622) 化学专业 2008-10-27 2008-10-29 09:20:46 by nobeoy2088
    [关贴]请教水溶液中苯浓度的测定方法 (5/73) 周小会 2008-10-28 2008-10-29 08:46:17 by 佳怡
    气相色谱做甾醇标样出峰延迟 (6/400) zhongdonglian 2008-10-23 2008-10-29 07:51:36 by zhongdonglian
    [关贴]求助有的化合物前面d3-的含义 (2/97) zjandzq 2008-10-25 2008-10-28 22:51:34 by zjandzq
    [其他分析] 请问有哪个单位可以测氮同位素? (1/130) wml2001 2008-04-25 2008-10-28 22:29:03 by 单体同位素
    [其他分析] 求助:求《糖复合物生化研究技术》或《复合多糖生化研究技术》 (2/157) vilin6977 2008-09-19 2008-10-28 21:39:12 by wujia115
    溶质能溶于水,并分解,但流动相中又水,会不会有影响? 3 (6/371) zhyy07 2008-10-27 2008-10-28 20:56:25 by uliya809
    HPLC 图谱 高手帮忙分析一下 (7/566) wlw03sk1 2008-10-28 2008-10-28 20:42:00 by 化学专业
    求助!第十一,十二全国色谱学术论文集 (0/136) LIYUANDONG 2008-10-28 2008-10-28 20:20:14 by LIYUANDONG
    5金币求助三溴化磷密度的测定 5 (2/82) yanhong_wa 2008-10-28 2008-10-28 20:14:50 by yanhong_wa
    有关紫外吸收的问题。 16 (9/538) liu2004m 2008-10-24 2008-10-28 20:10:52 by zhangsibao
    【求助】求酚羟基当量的检测方法和游离酚的检测方法! 18 (5/572) 小壹 2008-10-23 2008-10-28 20:07:30 by 小壹
    【求助】北京瑞利AF-610A信噪比测定方法 5 (1/75) wings3738 2008-10-24 2008-10-28 19:40:43 by wings3738
    如何对一个未知溶液的成分进行定量和定性分析? (9/906) love5005 2008-10-21 2008-10-28 19:10:05 by love5005
    [关贴]磷光检测中的困惑 (3/174) chenjl_4 2008-10-28 2008-10-28 18:35:14 by 佳怡
    [其他分析] 过度金属的络合竞争 (0/50) hailonghaijing 2008-10-28 2008-10-28 17:55:13 by hailonghaijing
    哪位虫友在Current Analytical Chemistry发表过文章? 2 (0/85) cookie634 2008-10-28 2008-10-28 17:44:58 by cookie634
    求助:气相色谱填充柱的缺点 (6/515) 锦瑟love 2008-10-28 2008-10-28 16:44:04 by xihongshidan
    [关贴]求大家一个问题,关于定性分析 (4/281) yifei561 2008-10-28 2008-10-28 16:30:11 by zhf4539
    求助:怎样除去有机酸中的无机盐? 1 (1/74) yangmei525 2008-10-26 2008-10-28 15:41:49 by jinshanshi88
    [其他分析] 0.5M盐酸的标准溶液 (4/715) kaphia 2008-10-03 2008-10-28 15:37:07 by zhangya2930
    [其他分析] 欧洲药典6.0附录2.4.8重金属检查法C上的一句话如何理解? (1/270) cgc717 2008-10-14 2008-10-28 15:28:09 by zhangya2930
    [关贴]求助大豆卵磷脂(PC)标准样品肩峰问题 (7/243) yfm0127 2008-10-17 2008-10-28 14:52:11 by yfm0127
    求助SE-54毛细管色谱柱与岛津什么柱子最接近? 3 (3/427) sdredsun 2008-10-27 2008-10-28 12:53:26 by sdredsun
    求助解析NMR图谱! (0/225) jiangnan3226 2008-10-28 2008-10-28 10:59:44 by jiangnan3226
    请教内标物问题 (2/99) zhw.m 2008-10-28 2008-10-28 10:59:19 by zhw.m
    进行外标法定量时,两次测定结果很不一致,为什么啊?? (2/116) hahaer2005 2008-10-27 2008-10-28 10:36:14 by jinshanshi88
    请教分析误差 (1/86) yanghuawei 2008-10-28 2008-10-28 10:12:02 by jinshanshi88
    苯酚降解中间产物醌类物质和对、邻、间苯二酚怎么检测? (6/643) oy5086 2008-10-27 2008-10-28 10:05:46 by huangxiaolei
    求助:硫酸链霉素HPLC如何分析? (1/57) guxu 2008-10-27 2008-10-28 10:04:35 by zhangya2930
    急切请教一个荧光问题 (0/148) alixy2 2008-10-28 2008-10-28 09:29:57 by alixy2
    红磷中磷含量的测定 1 (1/101) lvandsha 2008-10-24 2008-10-28 09:25:21 by lvandsha
    请教Hg的空白 (评阅-2) (0/48) dksysdjj66 2008-10-27 2008-10-27 23:51:04 by dksysdjj66
    HPLC色谱柱的选择 (4/620) huayongli 2008-10-27 2008-10-27 22:54:14 by wakan
    请教淀粉DP值测定方法 10 (0/30) jack2070 2008-10-27 2008-10-27 22:49:51 by jack2070
    求助 分子荧光 3 (2/131) xu_xiaoyun 2008-10-27 2008-10-27 22:37:48 by linhumor
    [其他分析] 关于热分析的问题 (0/99) 抑郁终结者 2008-10-27 2008-10-27 22:27:08 by 抑郁终结者
    COD测量前H202的淬灭 (0/78) nachuanzhihai 2008-10-27 2008-10-27 20:51:49 by nachuanzhihai
    [关贴]做液体红外需要多大浓度? (2/187) dqh3499 2008-10-27 2008-10-27 20:23:26 by dqh3499
    请问物质低温下测荧光跟常温下测荧光区别大吗? (3/490) sscc 2008-10-17 2008-10-27 20:13:49 by 1042954463
    求jascow32软件使用介绍 (1/913) lixingyu 2008-10-27 2008-10-27 19:27:08 by 风之惑
    分析化学精华资源 如何才可下 (3/285) 魏百祿 2008-08-19 2008-10-27 18:07:17 by yensh
    [关贴]如何关联5A和PQ两根色谱柱? 4 (6/553) eastar1985 2008-09-27 2008-10-27 16:53:58 by zw0115
    [求助] 怎么定量检测N2,NO,O2的混合物 (6/288) lg8407 2008-09-11 2008-10-27 16:03:43 by zw0115
    求助:提蛋白常用方法 (3/223) mooncake_333 2008-10-27 2008-10-27 15:45:06 by platto
    请教做气相时如何浓缩样品 (2/88) gyxiaoqi 2008-10-27 2008-10-27 15:33:13 by lankywang
    罗丹明荧光分析讨论 (8/654) zhumaiyong 2008-10-19 2008-10-27 13:56:20 by zsx171215
    我得到的光学纯度怎么会大于100%啊 (3/593) wtn0603 2008-10-26 2008-10-27 13:02:42 by wtn0603
    求助:质谱仪信号不好 (3/335) yanan0523 2008-10-24 2008-10-27 12:13:35 by yanan0523
    热导分析CO时出现巨峰! (2/91) fishr123 2008-10-08 2008-10-27 11:30:13 by fishr123
    氢气做载气分析高纯氮时出现不明杂质峰 (4/407) peclhl 2008-10-07 2008-10-27 10:30:16 by andywang6137
    请教:薄膜与体材料的红外光谱差别大吗? (0/42) xibinke 2008-10-27 2008-10-27 10:25:37 by xibinke
    请问5羰基铁红外特征峰在那个位置。 (0/73) nsb 2008-10-27 2008-10-27 10:13:49 by nsb
    请问,10%盐酸除铁镍等杂质离子用什么树脂 (0/37) numbernine 2008-10-27 2008-10-27 10:04:26 by numbernine
    [其他分析] 给大家推荐一个专业核磁网站 (评阅+2) (2/197) aleckwyq 2008-08-22 2008-10-27 09:25:27 by 寂寞海风
    求助——关于染料紫外可见吸收 (3/232) xiaoqier 2008-10-24 2008-10-27 08:40:41 by xiaoqier
    求助:有关毛细管电泳中的CTAB (3/220) CE-CL 2008-10-25 2008-10-27 08:18:24 by platto
    有知道乙酸钡滴定法? 1 (4/215) liconglin970410 2008-10-23 2008-10-27 08:16:07 by liconglin970410
    亚硫酸金钠中的金含量 3 (0/132) siccas 2008-10-26 2008-10-26 23:07:54 by siccas
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