Ascorbic acid and ammonium dihydrogen phosphate solution were used as the matrix modifier 采用抗坏血酸和磷酸二氢铵作混合基体改进剂，热解涂层石墨管，塞曼扣背景。
2.
Rapid determination of trace arsenic in water by graphite furnace atomic absorption spectrometry using matrix modifier 用基体改进剂的石墨炉原子吸收光谱法快速测定水中痕量砷
3.
The contents of pb and cd in soils and base - muds are determined by graphite furnace atomic absorption spectrometry with self - absorption background correction and ( nh4 ) 2hp04 as matrix modifier 摘要利用自吸效应背景校正，以磷酸氢二铵为基体改进剂，石墨炉原子吸收法测定土壤和底泥中的铅、镉。
