he sample is acided and using (NH 4) 2HPO 4 as a matrix modifier to increase shing temperature of aluminium and to deduct the disturbance.
尿样经酸化后，用（NH4）2HPO4作基体改进剂，以提高铝的灰化温度，消除干扰。
参考来源 - 石墨炉原子吸收光谱法测定人尿中痕量级铝的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Ammonium secondary phosphate is used as a matrix modifier.
采用磷酸氢二铵作基体改进剂。
Methods: Using the matrix modifier, cadmium in the bean milk powder was determined with GFAAS.
方法：应用基体改进剂，用石墨炉原子吸收光谱法测定豆奶粉中的镉。
The mixed matrix modifier and the aching or atomization temperature of silicon are investigated.
研究了混合基体改进剂，灰化、原子化温度以及共存元素的干扰。
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