ASTM D5863 原油和残渣油中镍、钒、铁、钠测定法（火焰原子吸收光谱法）
日期:2012-02-07 19:13
mination of total Ni, V, and Fe.
1.3 Test Method B, Sections 1419Flame AAS is used to analyze a sample diluted with an organic solvent for the determination of Ni, V, and Na. This test method uses oil-soluble metals for calibration to determine dissolved metals and does not purport to quantitatively determine nor detect insoluble particulates. Hence, this test method may underestimate the metal content, especially sodium, present as inorganic sodium salts.
1.4 The concentration ranges covered by
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