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    [热点] 2023 - Enabling Tools and Techniques for Organic Synthesis asymmsyn 2026-03-01 刚刚
    求助，超稠油红外表征测量方法 (3/213) fjzhao 2008-04-24 2008-04-25 08:00:57 by ramanlxh
    [其他分析] 表面分析仪器的分辩率和灵敏度(很全哦) (评阅+1) (4/386) 我是狼 2007-09-27 2008-04-25 07:32:38 by wwweeerrr
    [其他分析] 求助：MDI jade 5.0X-射线衍射分析软件 (1/221) yuanqi_6514 2008-04-25 2008-04-25 02:12:09 by yuanqi_6514
    求助：有关氧化铝做固相萃取填料的问题 (3/277) kangshengsu 2008-04-10 2008-04-25 01:14:46 by 开花豆豆
    tris-hcl缓冲溶液可以配到6.8以下吗 (3/528) pring 2008-04-09 2008-04-25 00:25:11 by Apple871
    超声波萃取会导致中间产物的破坏吗？ (5/374) cherrydew 2008-04-23 2008-04-25 00:03:01 by cherrydew
    请教什么稀土离子能在600多nm的地方有吸收？ (1/55) p1801321 2008-04-21 2008-04-24 22:40:23 by bluesky206
    胶水的粘度测试方法 (1/800) xingzhushi 2008-04-24 2008-04-24 21:28:35 by 兔子不乖
    有关气相色谱柱温选择的一个小问题？ (1/135) olifor2010 2008-04-23 2008-04-24 21:13:13 by 兔子不乖
    求助：如何用气相色谱检测三氯甲烷 气相色谱为安捷伦6890n (4/568) 022710212 2008-04-24 2008-04-24 21:08:57 by 兔子不乖
    制备液相色谱怎么才能用得好？ (1/148) songyang 2008-04-23 2008-04-24 20:55:23 by 兔子不乖
    请教NH2柱的问题 (3/252) zzyszy2012 2008-04-24 2008-04-24 20:36:45 by 兔子不乖
    我这样测红外的方法是否有错 (4/310) masterbug 2008-04-22 2008-04-24 19:29:38 by zyxie123
    求助:多环芳烃的HPLC 在C18柱上的保留时间有多长 (3/705) gaozhy201 2008-04-23 2008-04-24 19:08:16 by afeicas
    [关贴]散一些金币，攒一些人品    ( 1 2 3 ) (24/422) littlewing2007 2008-04-24 2008-04-24 18:41:31 by damojinghong
    求助如何制备镍胶体（镍纳米颗粒） (1/84) 拉曼先生 2008-04-24 2008-04-24 17:34:27 by ramanlxh
    【求助】聚丙烯标准谱图解析 (6/397) god-mars 2008-04-22 2008-04-24 17:14:22 by alumnium
    [其他分析] 有没有人用过国产的中高压层析柱，急。 (0/132) margaretphd 2008-04-24 2008-04-24 16:55:44 by margaretphd
    求助！液相色谱分析以下物质 (9/457) hujb 2008-04-23 2008-04-24 16:22:52 by jinshanshi88
    求助 (1/89) huangxiaojuan 2008-04-24 2008-04-24 14:59:40 by zuoguoqiang
    请教液相色谱柱及保护柱的保存方法 (3/688) lastat 2008-04-23 2008-04-24 13:51:57 by lastat
    分析乙醛时色谱条件设定 2 (金币≥1)(3/50) gq0554 2008-04-23 2008-04-24 13:26:14 by gq0554
    求助气相用载气    ( 1 2 ) (12/631) sqrfly 2008-04-22 2008-04-24 13:03:00 by sqrfly
    求助Glycidamide的紫外图谱和液相图谱 (2/61) wyj198409 2008-04-24 2008-04-24 12:45:03 by wyj198409
    [版内事务] 为什么不开设化学计量学版块啊？ (2/74) al19851986 2008-04-23 2008-04-24 09:34:12 by al19851986
    [请教] 原子吸收仪器北京普析和上精 (2/139) xd_zidiao 2008-04-23 2008-04-24 09:16:25 by xd_zidiao
    亚甲基兰脱色方法 (0/125) elfstar899 2008-04-24 2008-04-24 07:51:07 by elfstar899
    求助：关于生物质谱最新的研究方向 (0/90) xuox 2008-04-24 2008-04-24 01:23:04 by xuox
    求助：纤维素酶降解糖类后低聚糖类的HPLC检测方法？ (6/373) yang327chen 2008-04-22 2008-04-24 00:23:56 by zjpxw
    求助:奇怪的碳谱,请高手指点. 10 (9/433) zhangwei2008 2008-04-18 2008-04-23 22:07:39 by superwq
    有谁知道葡萄糖酸的检测方法 (1/118) 陪你淋雨 2008-04-23 2008-04-23 21:56:14 by afeicas
    求助：20ug/ml浓度进样10ul和10ug/ml浓度进样20ul有区别么？ 5 (7/1155) zhaocai进宝 2008-04-22 2008-04-23 21:49:50 by 柳成阴
    [其他分析] 求助NdCO3OH红外光谱解析 2 (0/63) shangxingfu 2008-04-23 2008-04-23 21:40:11 by shangxingfu
    全反射与衰减全反射红外 (3/961) uknow735 2008-03-18 2008-04-23 21:13:21 by ramanlxh
    聚乙烯红外光谱 (2/108) davidgu 2008-04-23 2008-04-23 21:08:36 by ramanlxh
    多糖吸水后的结构分析： (3/264) rosysky 2008-04-17 2008-04-23 21:07:31 by dnazyme
    求助对照品的技术要求以及标化方法。 (2/68) chinesechina 2008-04-23 2008-04-23 20:10:39 by jjf4085
    二维色谱的调制器,国内外发展? (5/325) zhl009 2008-04-21 2008-04-23 20:05:13 by evilzhou
    755B型紫外可见分光光度计参比试样无法显示T100%? (1/48) qiangqiang8181 2008-04-23 2008-04-23 19:51:39 by fly872
    [其他分析] 碳谱分析 (6/163) niuniu0116 2008-04-19 2008-04-23 19:47:35 by fly872
    我们单位要用滴定法测油品中的酸度,但是KOH在乙醇中溶解不完全 (4/429) zfk131420 2008-04-23 2008-04-23 19:38:28 by myqwyp
    不同检测器进样量与响应值的关系？ 1 (3/452) olifor2010 2008-04-23 2008-04-23 19:33:48 by jjf4085
    求助大家，相对标准偏差RSD的问题 (2/216) pilibeibei 2008-04-23 2008-04-23 18:57:25 by evilzhou
    HPLC进样量与峰面积的关系？ (2/134) olifor2010 2008-04-23 2008-04-23 18:54:00 by evilzhou
    三元相图如何分析？ (2/82) shooshow 2008-04-23 2008-04-23 17:43:35 by fdwllq
    液相色谱进样量的多少如何选择？    ( 1 2 ) (12/2015) olifor2010 2008-04-11 2008-04-23 17:30:12 by olifor2010
    “第三期原子荧光光谱分析技术与应用”培训班通知 (0/70) chemgoods 2008-04-23 2008-04-23 17:29:09 by chemgoods
    我写的物质鉴定步骤（请大侠帮忙检查） (评阅+1) (2/188) sb250 2008-04-18 2008-04-23 17:03:55 by daldinia
    求助: 17 (7/120) feng007cn 2008-04-22 2008-04-23 16:37:37 by boxue
    [其他分析] 帮忙看看 (0/45) 031058sky 2008-04-23 2008-04-23 16:15:31 by 031058sky
    懂原子发射的进来看看 (1/87) ai4_0 2008-03-05 2008-04-23 16:02:05 by gl33811
    [其他分析] AFM数据用什么分析软件？ (0/245) 82年的纯净水 2008-04-23 2008-04-23 15:56:00 by 82年的纯净水
    请教高手 急急急急！ (2/89) davidgu 2008-04-23 2008-04-23 15:41:56 by davidgu
    求助：如何降低盐酸阿霉素在水中的溶解性 (2/350) zhangchandyf 2008-04-22 2008-04-23 15:22:45 by 兔子不乖
    气相色谱 (金币≥5)(4/83) wangfahui6 2008-04-22 2008-04-23 15:17:14 by 铁甲骑兵
    放弃求助：X沸石的判定 10 (0/46) fanghua 2008-04-23 2008-04-23 13:59:10 by fanghua
    做气质用气相的条件可以吗 (2/104) anshelly 2008-04-23 2008-04-23 11:28:04 by anshelly
    ICP高手来帮我解决一下问题 5 (5/369) zhaofakuen 2008-04-10 2008-04-23 11:11:04 by zhaofakuen
    纯水有什么指标吗? (3/391) zfk131420 2008-04-22 2008-04-23 11:03:37 by zfk131420
    山东省产品质量监督检验研究院怎么样？ (3/440) luckydog882 2008-04-22 2008-04-23 10:10:24 by jinshanshi88
    谁知道丙酮的色散力是多少? (1/159) liuxiu1956 2008-04-23 2008-04-23 10:08:26 by jinshanshi88
    [其他分析] 求助：一种医药药品 (1/53) lingdang_tj 2007-08-11 2008-04-23 09:50:46 by al19851986
    求助：有没有人用过HPR－20 QIC 质谱仪？？ (0/93) chl5063 2008-04-23 2008-04-23 09:43:30 by chl5063
    求教：如何分析XRD做出来的衍射图样？ (0/87) bjj247 2008-04-23 2008-04-23 09:31:54 by bjj247
    紫外可见 (2/132) al19851986 2008-04-22 2008-04-23 09:25:55 by al19851986
    求助NdCO3OH红外光谱解析 2 (0/52) shangxingfu 2008-04-23 2008-04-23 09:07:45 by shangxingfu
    求助：请问北京哪里可以做元素分析阿 (2/85) LL2006 2008-04-22 2008-04-23 08:52:18 by zhzhg283
    [关贴]资源+学术的好地方 (金币≥3)(2/27) antitech 2008-04-23 2008-04-23 07:51:46 by yensh
    元素灯为何点不亮 (1/84) wxmgzu 2008-04-21 2008-04-23 07:15:15 by wbzhang
    [其他分析] 石油醚萃取的乳化层怎么处理 (5/896) taomasxu 2008-04-08 2008-04-23 04:57:06 by fly872
    用什么方法能分析出酸性水溶液中的少量有机物 (8/542) jinhailong 2008-04-14 2008-04-22 22:51:16 by fdwllq
    请问儿茶素标样如何购买?如何确定其可信度 (1/79) bibiyang 2008-04-22 2008-04-22 22:48:21 by fdwllq
    化学计量学 (6/293) al19851986 2008-04-22 2008-04-22 21:47:54 by zhitongxing
    [其他分析] 问下淀粉分子量 (3/624) heroliu324 2008-04-22 2008-04-22 21:32:43 by heroliu324
    求助：怎样提高分离度 (8/671) print2889 2008-04-21 2008-04-22 21:15:41 by print2889
    求助：如何在硅胶表面键合羧基？ (1/84) bluappl 2008-04-22 2008-04-22 21:01:54 by dlseasky
    求助：25%甲醛溶液的配制和浓度检验方法 (3/1512) xiongbo20 2008-04-20 2008-04-22 20:22:26 by xiongbo20
    [请问]对于HPLC的初学者来说看什么教科书比较合适 (2/92) hlp117 2008-04-21 2008-04-22 17:32:11 by julane
    乙酰基团的定量 10 (0/33) dnazyme 2008-04-22 2008-04-22 16:59:02 by dnazyme
    请问购买荧光比色皿的问题！ (3/313) kinghuatan 2008-04-22 2008-04-22 16:57:55 by zhitongxing
    请教!!!HPLC高手请指点下！ (9/527) wewew16180 2008-04-21 2008-04-22 16:54:20 by wewew16180
    pH值问题（求助） (1/63) 急浪轻舟 2008-04-22 2008-04-22 16:36:48 by jzz8035
    苯乙酸的标准谱图 1 (8/498) juventus18 2008-04-22 2008-04-22 16:16:26 by juventus18
    求助微量硫酸根离子的检测方法 (7/536) 一流涧水 2008-04-21 2008-04-22 14:56:56 by 一流涧水
    请教关于化学符号的问题 (2/79) 3s_studio 2008-04-22 2008-04-22 11:51:44 by 3s_studio
    【请教】荧光分析 (2/147) chenxa1981 2008-04-21 2008-04-22 11:19:04 by limingtiaan2
    【请教】有机相中金属离子和酸度的分析和水相有区别吗？ 10 (0/71) thinbear007 2008-04-22 2008-04-22 10:05:15 by thinbear007
    求助色谱柱选择和分析条件 1 (5/464) mandyjin 2008-04-03 2008-04-22 09:55:46 by mandyjin
    求助：纯锡如何化学抛光？ (0/54) hyliu0203 2008-04-22 2008-04-22 09:47:33 by hyliu0203
    请教：722分光光度计与581-G光度计 10 (0/337) ziyeshu 2008-04-22 2008-04-22 09:25:42 by ziyeshu
    怎样测定小米的比重呢 (2/86) yafeng_326 2008-04-21 2008-04-22 09:21:53 by jzz8035
    红外识谱歌 (1/172) wangyb4142 2008-04-21 2008-04-22 06:57:01 by anny67
    几篇红外的论文 (2/75) wangyb4142 2008-04-21 2008-04-22 00:51:11 by hynukyf
    [其他分析] 求助：日立z2000火焰进样管的问题 8 (0/37) 豆哥 2008-04-21 2008-04-21 22:09:27 by 豆哥
    资源 [ 查看全部 ] 作者 最后发表
    [其他分析] 仪器分析原理 (6/661) lihongwei48108 2007-09-28 2008-04-25 06:48:53 by wuyq6502
    北京普析TU-1901紫外可见分光光度计操作细则 (6/946) lww123 2008-04-18 2008-04-24 00:05:41 by hzz998
    化学分析样品前处理手册 (15/824) EdwardLau 2008-04-06 2008-04-23 16:28:09 by wjf0113
    质谱分析课件 (19/565) laidewanle 2007-12-03 2008-04-23 01:08:16 by houbingfeng
    [其他分析] Regionalization of Watersheds (2/378) armea 2008-04-22 2008-04-22 18:51:25 by yensh
    表面化学分析方法 (15/737) lixiangsioc 2007-08-19 2008-04-22 07:43:51 by yxwjimmy
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