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[热点] 存款400万可以在学校里躺平吗 潇潇雨子规啼 2026-01-24 刚刚
[前处理] [已完结]农残消解动态怎么称样 (0/342) xiaoyaxuan 2013-08-15 2013-08-15 14:07:55 by xiaoyaxuan
[前处理] [已完结][关贴]菜鸟求助:布氏漏斗大小及滤纸大小 (评阅+1) (6/5882) cly2810 2013-06-25 2013-08-13 16:11:16 by unlit
[前处理] [已完结]湿法消解 (3/1189) oooqiao 2013-07-08 2013-08-11 22:47:09 by hshjian
[前处理] [已完结]硫酸烧渣做ICP检测的前处理 (6/899) 欧阳环宇 2013-07-02 2013-08-11 20:46:27 by hshjian
[前处理] [已完结]微波消解后赶硝酸的问题 (5/2497) mussel2008 2013-05-17 2013-08-11 17:52:24 by hshjian
[前处理] 什么样的样品提取液要用凝胶色谱提取啊 (0/324) zywtstc 2013-08-07 2013-08-07 21:44:56 by zywtstc
[前处理] [已完结]微波消解测植物中的硒Se元素 (6/1240) feifeikate 2013-08-04 2013-08-07 00:28:11 by feifeikate
[前处理] [已完结][关贴]求推荐液液微萃取中密度比水小的萃取剂 (1/410) 蹲墙角free 2013-07-18 2013-08-06 13:42:04 by lovelyyu2004
[前处理] [已完结]均质器 (0/246) shaopeng 2013-08-05 2013-08-05 17:26:47 by shaopeng
[前处理] [已完结]抗生素有效期 (1/1169) 桔子花开桔子 2013-07-30 2013-07-31 08:39:48 by suruiqin
[前处理] 关于氨基酸水解液蒸干温度的问题 (评阅+1) (0/1465) hassen90 2013-07-30 2013-07-30 14:29:40 by hassen90
[前处理] [已完结]中空纤维萃取 (3/495) christinerui 2013-07-29 2013-07-30 13:57:09 by zpplkq
[前处理] [已完结]急!如何去除溶液中的硫酸根离子而不影响金属离子的浓度 (评阅+2) (3/1453) Annie_2013 2013-07-28 2013-07-28 22:30:35 by Annie_2013
[前处理] [已完结]衍生化后怎么稀释样品? (1/893) lovemuli 2013-07-26 2013-07-27 00:27:48 by zpplkq
[前处理] [已完结]消解植物样品    ( 1 2 ) (14/3154) feifeikate 2013-07-14 2013-07-26 21:54:51 by feifeikate
[前处理] [已完结]农药室内土壤降解行为研究 (0/513) honghaisyf 2013-07-24 2013-07-24 17:35:08 by honghaisyf
[前处理] [已完结]甲基硫菌灵转化成多菌灵 (0/430) yjhx-hui 2013-07-23 2013-07-23 22:29:12 by yjhx-hui
[前处理] [已完结]尺寸排阻色谱法可以分离不同尺度的纳米颗粒吗 (3/570) Tracy1265 2013-07-21 2013-07-23 21:42:32 by zjwangji
[前处理] [已完结][关贴]咨询缓冲液pK值的问题 (0/353) lwsw01 2013-07-23 2013-07-23 09:46:06 by lwsw01
[前处理] [已完结]五因素五水平正交试验设计 (2/1283) 674876157 2013-07-22 2013-07-22 20:30:13 by fiza
[前处理] [已完结]脂肪酸的荧光衍生化(衍生化试剂是NBD-PZ) (0/439) songyt 2013-07-21 2013-07-21 22:43:05 by songyt
[前处理] [已完结]土壤PBS缓冲液的配置 (0/544) lean622 2013-07-18 2013-07-18 09:26:52 by lean622
[前处理] [已完结]用乙酸乙酯萃取水相提取液,取有机相40℃旋蒸不干~为什么呢? (评阅+1) (1/1770) zhuyanrong 2013-07-17 2013-07-17 12:15:54 by 丁丁jj
[前处理] [已完结]怎样去除一硝基甲苯中的水 (2/368) zys_Jenna 2013-07-15 2013-07-15 16:05:44 by zys_Jenna
[前处理] [已完结]做HPLC之前的SPE    ( 1 2 3 ) (20/2442) polymeryjh 2013-07-10 2013-07-13 12:10:41 by 改变自己owh
[前处理] [已完结]HPLC测定烟草中农药残留 前处理问题!!!!!!!!!!!!!!!!! (6/1758) lzn912345 2013-06-04 2013-07-12 09:19:44 by wp520
[前处理] [已完结][关贴]在线等 (1/248) liuzaiqing2004 2013-07-09 2013-07-09 13:30:05 by 鸭绿江畔
[前处理] [已完结]急求!!! 光盘中的保护胶如何除去?用什么溶剂溶解? (0/497) markfriendly 2013-07-09 2013-07-09 09:47:19 by markfriendly
[前处理] [已完结]聚酰胺固相萃取小柱应该怎么活化呢? (1/2213) 周秋月 2013-07-08 2013-07-09 07:30:13 by wy1518
[前处理] [已完结]样品中去除腐殖酸 (3/852) thirteen13 2013-07-06 2013-07-08 10:18:27 by thirteen13
[前处理] [已完结]有关脂肪酸甲酯化的问题 (8/2003) miraclechu 2012-12-26 2013-07-03 14:32:09 by zhaogenlong
[前处理] [已完结]请问如何配置含NH3 25-30g/L,CO2 15-20g/L的液体? (0/360) helloshumr 2013-07-02 2013-07-02 10:59:33 by helloshumr
[前处理] 原子分光光度法测水样中的铬选用的波长,是标准上的357.9还是选择最高峰处波长? (0/1118) suan0707 2013-06-27 2013-06-27 21:38:20 by suan0707
[前处理] [已完结]洗脱溶剂的选择 (1/1433) xuting1477 2013-06-25 2013-06-26 16:59:17 by dreaming150
[前处理] [已完结]湿法处理问题 (9/851) 竹林闲步 2013-04-18 2013-06-24 12:23:07 by Yangge642220
[前处理] [已完结]旋转蒸发浓缩时,真空度怎么表述?网上说法不一 (0/419) WuNingNing 2013-06-22 2013-06-22 21:27:18 by WuNingNing
[前处理] [已完结][关贴]溶液配制 (评阅+1) (1/466) 绿林小道 2013-05-15 2013-06-22 06:59:58 by xiruo
[前处理] [已完结][关贴]胆固醇衍生 (1/379) xuaijun 2013-06-20 2013-06-20 17:01:52 by at2011wjl
[前处理] 苯甲醇中萃取苯甲醛 苯甲酸 (1/968) wangchao3810 2013-06-19 2013-06-19 13:54:36 by dalansong
[前处理] [已完结]进入色谱前脱除硫化氢 (3/474) 2012bfy 2013-06-18 2013-06-18 21:02:35 by 笑盲虫
[前处理] 固相萃取柱中C2柱保留的主要化合物的类型 (评阅+1) (0/424) yuchen2510 2013-06-15 2013-06-15 10:30:07 by yuchen2510
[前处理] [已完结]实验求助 (评阅+1) (2/454) lijiehappy 2013-06-13 2013-06-14 13:30:43 by lijiehappy
[前处理] [已完结]石墨化碳柱 (0/529) xuting1477 2013-06-13 2013-06-13 09:21:36 by xuting1477
[前处理] [已完结]固相膜萃取方面的问题 (8/1146) zyb876112721 2013-06-08 2013-06-11 11:23:54 by zhenwuhuang
[前处理] 胆固醇氧化 (4/1117) 小学徒 2013-04-22 2013-06-10 19:45:32 by yangyang289
[前处理] [已完结]732阳离子交换树脂钠型转氢型过程中遇到的问题 (0/597) seraph2008 2013-06-08 2013-06-08 11:21:52 by seraph2008
[前处理] [已完结]请教微波消解过程中双氧水的作用 (4/2536) free_sky 2013-02-22 2013-06-08 08:23:03 by 羽杰
[前处理] 样品净化 (0/271) xgf0228 2013-06-06 2013-06-06 19:45:53 by xgf0228
[前处理] [已完结]测定腌制韭菜花中铜的含量 (评阅+1) (4/441) huaxiang5683 2013-02-08 2013-06-05 12:02:27 by 小岩头
[前处理] 气体浓度的配制 (15/1438) lhmsmg 2013-04-23 2013-05-31 10:03:34 by lhmsmg
[前处理] [已完结]定性分析的前处理方法 (2/261) air808 2013-05-27 2013-05-30 11:13:32 by maoxiaojing
[前处理] [已完结]实验室奶粉脱脂 (4/1693) 四两 2013-04-19 2013-05-26 17:43:03 by 四两
[前处理] [已完结]想通过CLSM测聚合物在固体中的分布情况该用什么探针? (1/304) yrgswpu 2013-05-23 2013-05-23 21:36:07 by yrgswpu
[前处理] [已完结]PNIPAM在氯仿里面溶不溶啊? (评阅+1) (3/842) 发条鸟1 2012-11-02 2013-05-23 17:46:08 by 发条鸟1
[前处理] 中性树脂很久不用后,浸泡强酸性 (2/966) 学员lSmItN 2013-05-11 2013-05-23 16:12:19 by zbyzwy
[前处理] [已完结]水溶性样品如何除糖 (0/1245) li244355288 2013-05-22 2013-05-22 16:32:19 by li244355288
[前处理] [已完结]血清样品处理 (评阅+1) (1/1275) 201007062033 2013-05-19 2013-05-21 21:50:57 by kkbyb
[前处理] [已完结]急急急!!!原子吸收光谱配标准铜的标准溶液能不能用硫酸铜固体? (2/455) monkey猴子 2013-05-20 2013-05-21 16:30:52 by 紫薇北斗
[前处理] [已完结]处理血清测定钾离子,怎么样减少损失 (3/532) 海贝14 2013-05-20 2013-05-20 17:15:50 by yunjun3
[前处理] [已完结]前处理纯化 (1/457) liu_jingjing 2013-05-17 2013-05-17 16:31:01 by 爱lingling
[前处理] [已完结]壳聚糖和纤维素是如何反应的? (1/1803) 爱上竹林听雨 2013-05-13 2013-05-15 16:17:08 by 爱上竹林听雨
[前处理] [已完结]有机物测定 (2/362) 梦中风依旧 2013-05-15 2013-05-15 13:00:41 by 独自等待hxh
[前处理] [已完结]三氟化硼乙醚配制三氟化硼甲醇溶液 (1/1044) zy0999 2013-05-15 2013-05-15 11:04:10 by caozongze125
[前处理] [已完结]请教关于测铜精矿多元素的问题 (2/300) 赵亚明 2013-05-14 2013-05-15 09:22:52 by 赵亚明
[前处理] [已完结]SPE自己填充小柱去哪儿买?以及重复利用的建议 (3/1000) sail329 2013-05-13 2013-05-14 12:44:40 by kitaro
[前处理] [关贴]想买一台微波消解 (4/1132) ustc2000 2012-09-06 2013-05-13 19:50:09 by jiafeng1987
[前处理] [已完结]玻璃仪器的高温烘烤疑惑 (评阅+1) (5/881) zhangyoujian 2012-12-12 2013-05-13 19:40:34 by jiafeng1987
[前处理] [已完结]关于分离的问题 (0/320) yang0810 2013-05-11 2013-05-11 16:10:26 by yang0810
[前处理] [已完结]混合溶剂分离极性差不多的物质的原理 (5/1036) 善其身 2013-05-07 2013-05-11 09:27:17 by zc10917
[前处理] [已完结]匀浆提取怎么做啊 (1/1979) zywtstc 2013-05-08 2013-05-10 20:56:03 by archbishop
[前处理] [已完结]pH=9的草酸溶液溶液怎么配 (1/791) zk772301828 2013-05-07 2013-05-07 20:24:07 by netscaner
[前处理] 苯并芘固体常温会挥发么? (4/3579) bl1983 2013-04-16 2013-05-06 08:33:23 by bl1983
[前处理] [关贴]Waters OASIS的专利 (0/325) djjreal 2013-04-28 2013-04-28 11:35:48 by djjreal
[前处理] [已完结]总体积250mll的顶空瓶,要带中空盖子的,哪个厂家有卖的,麻烦推荐下 (8/1021) chegcen 2013-04-11 2013-04-28 09:18:43 by chegcen
[前处理] [已完结]溶液稀释后调PH=5.5与 直接配制溶液调PH=5.5 有区别吗?求助专业有经验人士    ( 1 2 ) (10/2379) liuliu123abc 2012-06-28 2013-04-24 13:55:55 by abcdwenwen
[前处理] [已完结]刚开始做PPCPs,建方法时用去离子水溶解做的MRM,以后可以换乙腈或者甲醇溶解吗 (1/607) hekaiseraph 2013-01-22 2013-04-24 11:17:48 by lxplmh
[前处理] [已完结]中草药中三嗪类和二硝基苯胺类除草剂检测 (评阅+1) (1/219) bamboo007 2013-03-04 2013-04-24 10:03:01 by bamboo007
[前处理] [已完结]测植物干样中的铁含量能用不锈钢研磨机磨样品么? (6/864) muyouling 2013-04-19 2013-04-22 13:25:49 by muyouling
[前处理] [已完结]quechers 和DSPE 的区别 (9/2439) honghaisyf 2013-04-16 2013-04-20 12:45:04 by honghaisyf
[前处理] [已完结]HLB固相萃取柱萃取原理 (1/5248) xiaorui7766 2013-03-27 2013-04-19 22:43:39 by wpc945
[前处理] [已完结]请问一下DMSO溶液的凝固点是多少 (4/6845) sallybear 2013-04-18 2013-04-19 16:50:36 by sallybear
[前处理] [已完结]食用油中农药的提取方法    ( 1 2 ) (15/2020) 杨莎莎 2012-07-09 2013-04-14 06:48:25 by dongmei8777
[前处理] [已完结]如何对海产品进行微波消解前处理来测定磷酸盐含量 (0/209) with-me 2013-04-13 2013-04-13 13:09:19 by with-me
[前处理] [已完结]您好,请问下DAX树脂(大孔树脂)装柱多少量的问题 (评阅+1) (0/1318) niezeyu 2013-04-13 2013-04-13 12:25:55 by niezeyu
[前处理] [已完结]香蕉测定前处理中用加PVP可以防止在测定时解冻后果肉褐变吗? (0/232) Banana_Li 2013-04-11 2013-04-11 21:29:46 by Banana_Li
[前处理] 高氯废水COD检测用AgNO3沉淀有影响吗、? (5/873) sdliyang 2013-04-09 2013-04-10 13:09:35 by lelelbom
[前处理] [已完结]实验室里想做活性污泥的前处理~~~~ (3/577) byys1987 2013-04-08 2013-04-10 08:49:17 by byys1987
[前处理] [已完结][关贴]用硫磺熏蒸药材的方法及操作 (2/549) jocelynlynn 2013-04-08 2013-04-09 22:08:03 by 张艳玲药
[前处理] [已完结]过柱子径高比 (1/1003) 精灵猎手 2013-03-23 2013-04-08 23:50:32 by CAS_小龙
[前处理] [已完结]ICP-MS 测铁标的值为负值,何故?? (3/1467) newdong 2013-04-08 2013-04-08 15:39:44 by happyjoys
[前处理] [已完结]如何分离脂肪酸 (4/840) kaka927 2013-04-03 2013-04-08 14:36:33 by zhenwuhuang
[前处理] [已完结]液液微萃取中有机相中待测物质浓度的计算 (评阅+1) (1/621) 云水关中 2013-04-06 2013-04-07 09:02:49 by 水无痕
[前处理] [已完结]增塑剂色谱检测减少空白干扰需要注意什么问题 (0/315) zhangyoujian 2013-04-04 2013-04-04 20:48:34 by zhangyoujian
[前处理] [已完结][关贴]活性炭 活化与改性 (2/907) 繁星寥落 2013-04-02 2013-04-02 20:36:17 by 繁星寥落
[前处理] 有前辈们用液相色谱做组分分离的吗 (2/502) 114130014 2013-03-27 2013-04-02 10:19:17 by 114130014
[前处理] [已完结]如何鉴别无水乙醇使用的发酵原料? (1/404) lvgx 2013-04-02 2013-04-02 09:42:48 by lvgx
[前处理] [已完结]xps样品前处理 (0/776) 695044107 2013-04-02 2013-04-02 00:25:34 by 695044107
[前处理] [已完结][关贴]苯系物溶液配制 (2/943) flyhigh540 2013-03-30 2013-03-31 19:09:44 by flyhigh540
[前处理] [已完结]GC之前的硅烷化试剂的购买问题    ( 1 2 ) (评阅+2) (14/1536) at2011wjl 2012-07-30 2013-03-29 06:41:01 by at2011wjl
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