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- RE:关于评定测量不确定度的案例应该怎么来做
- fatinsect
18-12-13 17:28 - 0/0
- fatinsect
18-12-13 17:28
- RE:国产仪器设备没有CMC标志是否是不能销售?进口仪器为什么没CMC标志?
- fatinsect
18-12-13 17:26 - 0/0
- fatinsect
18-12-13 17:26
- RE:日化香精未知物
- fatinsect
18-12-13 16:44 - 0/0
- fatinsect
18-12-13 16:44
- RE:求离子色谱发测定水中硝酸盐氮、亚硝酸盐氮的国标/行标?
- fatinsect
18-12-13 15:40 - 0/0
- fatinsect
18-12-13 15:40
- RE:RE:新人求解,关于FID校正因子的问题,看的有点迷糊,关于香精香料。
- fatinsect
18-12-13 14:21 - 0/0
- fatinsect
18-12-13 14:21
- RE:RE:报告编制人员应具备的任职条件
- fatinsect
18-12-13 13:55 - 0/0
- fatinsect
18-12-13 13:55
- RE:RE:新人求解,关于FID校正因子的问题,看的有点迷糊,关于香精香料。
- fatinsect
18-12-13 13:53 - 0/0
- fatinsect
18-12-13 13:53
- RE:大家做过菠菜粉中Pb的能力验证吗?
- fatinsect
18-12-13 12:20 - 0/0
- fatinsect
18-12-13 12:20
- RE:报告编制人员应具备的任职条件
- fatinsect
18-12-13 12:17 - 0/0
- fatinsect
18-12-13 12:17
- RE:CNAS有没有那种标准压缩包,一打开全是标准的那种
- fatinsect
18-12-13 12:15 - 0/0
- fatinsect
18-12-13 12:15
- RE:新人求解,关于FID校正因子的问题,看的有点迷糊,关于香精香料。
- fatinsect
18-12-13 11:58 - 0/0
- fatinsect
18-12-13 11:58
- RE:RE:新人求解,关于FID校正因子的问题,看的有点迷糊,关于香精香料。
- fatinsect
18-12-13 11:56 - 0/0
- fatinsect
18-12-13 11:56
- RE:求助前处理问题。
- fatinsect
18-12-13 11:54 - 0/0
- fatinsect
18-12-13 11:54
- RE:RE:跪求气质联安捷伦新机、二手、岛津新机优缺点比较
- fatinsect
18-12-13 11:51 - 0/0
- fatinsect
18-12-13 11:51
- RE:跪求气质联安捷伦新机、二手、岛津新机优缺点比较
- fatinsect
18-12-13 11:50 - 0/0
- fatinsect
18-12-13 11:50
- RE:原子吸收一体机
- fatinsect
18-12-13 11:46 - 0/0
- fatinsect
18-12-13 11:46
- RE:雷磁型号PHS-25的PH计开机直接显示1,请教下各位专家们是什么原因,按确认键开机试过了不行,氯化钾参比液也换了,不行,求教专家是怎么回事
- fatinsect
18-12-13 11:41 - 0/0
- fatinsect
18-12-13 11:41
- RE:采集环境空气中氮氧化物,吸收液被吸入干燥器是什么原因
- fatinsect
18-12-13 10:20 - 0/0
- fatinsect
18-12-13 10:20
- RE:饮用深水井水(饮用水)耗氧量16.8。
- fatinsect
18-12-13 08:33 - 0/0
- fatinsect
18-12-13 08:33
- RE:请问一下大佬们,我们实验室买了GC/MS-TD要怎么确定自己吸附管吸附的气体浓度?
- fatinsect
18-12-13 08:28 - 0/0
- fatinsect
18-12-13 08:28
- RE:岛津样品瓶号无效的问题
- fatinsect
18-12-13 08:25 - 0/0
- fatinsect
18-12-13 08:25
- RE:RE:未知物定性
- fatinsect
18-12-12 14:46 - 0/0
- fatinsect
18-12-12 14:46
- RE:异丁醇不成线性
- fatinsect
18-12-12 14:45 - 0/0
- fatinsect
18-12-12 14:45
- RE:FID测试,原本是想定量测溶剂残留,用fid的时候,溶剂峰是平头峰,伴有拖尾现象,通过改升温程序调节分流比,拖尾好一些了,但是平头峰不是会影响积分结果的么,为什么定量都是用fid呢?
- fatinsect
18-12-12 13:34 - 0/0
- fatinsect
18-12-12 13:34
- RE:实验室产生的废液和固体废物相关作业指导书
- fatinsect
18-12-12 11:50 - 0/0
- fatinsect
18-12-12 11:50
- RE:‘有奖问答’判断题:实验室分析数据错了,应由填写人负责在记录上更改。()
- fatinsect
18-12-12 11:47 - 0/0
- fatinsect
18-12-12 11:47
- RE:[总磷总氮检测] 大家做分析用的纯水,都是怎么制备的?反渗透净水器可以么,市面上卖的那种?
- fatinsect
18-12-12 11:30 - 0/0
- fatinsect
18-12-12 11:30
- RE:RE:化合物名称求助
- fatinsect
18-12-12 11:26 - 0/0
- fatinsect
18-12-12 11:26
- RE:日本岛津2010plus噪音
- fatinsect
18-12-12 11:25 - 0/0
- fatinsect
18-12-12 11:25
- RE:ICP-MS上的真空泵
- fatinsect
18-12-12 11:13 - 0/0
- fatinsect
18-12-12 11:13
- RE:RE: 化合物名称求助
- fatinsect
18-12-11 22:08 - 0/0
- fatinsect
18-12-11 22:08
- RE:RE: GCMS定量
- fatinsect
18-12-11 21:26 - 0/0
- fatinsect
18-12-11 21:26
- RE:几个原料的可能精油来源
- fatinsect
18-12-11 15:26 - 0/0
- fatinsect
18-12-11 15:26
- RE:CNAS原始记录保存问题
- fatinsect
18-12-11 10:58 - 0/0
- fatinsect
18-12-11 10:58
- RE:电炉湿法消解玉米秸秆粉末测碱金属一般需要多长时间
- fatinsect
18-12-11 10:57 - 0/0
- fatinsect
18-12-11 10:57
- RE:RE:未知物定性求助
- fatinsect
18-12-11 10:55 - 0/0
- fatinsect
18-12-11 10:55
- RE:FID使用时相关问题,我是在乙醇里加入等体积四氢呋喃、甲苯、氟苯浓度大概在百分之一,出峰顺序是四氢呋喃、乙醇、氟苯、甲苯,提高柱温以后,乙醇的含量减少了是怎么回事?
- fatinsect
18-12-11 10:54 - 0/0
- fatinsect
18-12-11 10:54
- RE:FID使用时相关问题,我是在乙醇里加入等体积四氢呋喃、甲苯、氟苯浓度大概在百分之一,出峰顺序是四氢呋喃、乙醇、氟苯、甲苯,提高柱温以后,乙醇的含量减少了是怎么回事?
- fatinsect
18-12-11 10:07 - 0/0
- fatinsect
18-12-11 10:07
- RE:RE:60米色谱柱,是否可以一分为二,分别单做30米色谱柱来测试样品?
- fatinsect
18-12-11 09:39 - 0/0
- fatinsect
18-12-11 09:39
- RE:RE:60米色谱柱,是否可以一分为二,分别单做30米色谱柱来测试样品?
- fatinsect
18-12-11 08:44 - 0/0
- fatinsect
18-12-11 08:44
- RE:HJ605土壤挥发性有机物-吹扫捕集做样加标加不出来
- fatinsect
18-12-11 08:25 - 0/0
- fatinsect
18-12-11 08:25
- RE:土壤中石油烃测定的标样,标液哪里买?
- fatinsect
18-12-11 08:23 - 0/0
- fatinsect
18-12-11 08:23
- RE:正构烷烃可以用SPME顶空进样吗?
- fatinsect
18-12-11 08:22 - 0/0
- fatinsect
18-12-11 08:22
- RE:RE:未知物定性求助
- fatinsect
18-12-11 08:18 - 0/0
- fatinsect
18-12-11 08:18
- RE:RE:60米色谱柱,是否可以一分为二,分别单做30米色谱柱来测试样品?
- fatinsect
18-12-11 08:17 - 0/0
- fatinsect
18-12-11 08:17
- RE:RE:60米色谱柱,是否可以一分为二,分别单做30米色谱柱来测试样品?
- fatinsect
18-12-11 08:16 - 0/0
- fatinsect
18-12-11 08:16