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来自维基百科,自由的百科全书
分析化學中,基準物質是定量分析的參考物質,通過準確稱量可直接確定其物種物質的量。基準物質應符合以下要求:
(最後兩項不如前幾項重要)
援引歐洲藥典(5, ch. 4.2)的標準步驟,部分常用基準物質列舉如下:
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