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【求助】请教混合标准品制备问题,谢谢~~急
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最近做实验查阅文献,发现有些文献说混合标准品配置后需放置1-3月后进行测定,类似原文如下 These solutions were stored in dark glass bottles at 4 ◦C and were stable for at least 1 month. 请问若放置时间长了会不会降解变化啊?为什么要进行上述操作?谢谢各位前辈高手啊! |

2楼2009-11-26 11:10:35

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