石墨炉原子吸收法测定绿色食品农田腐殖土中的铅、铬、镉

GFAAS Determination of Lead、Chromium、Cadmium in Humus of Greenfood Farmland

摘要: 提出了用石墨炉原子吸收法测定绿色食品农田腐殖土中Pb、Cr、Cd,以PdCl₂和NH₄H₂PO₄作为基体改进剂,经国家标准物质测定证明本法可行.

Abstract: A method for the determination of Pb, Cr, Cd in humus of greenfood farmland with GFAAS was proposed. PdCl₂ and NH₄H₂PO₄ were used as mixted matrix modifier. The method was certified by the analysis of the national standard reference materials.