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1 research outputs found
石墨炉原子吸收光谱法测定润滑油中铝和硅
Author
徐毓丽
林铁铮
+3 more
梁春芳
沈福寅
王凤英
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测定铝时将试样灰化、镍坩锅低温熔样, 用5%HNO3稀释后测定. 测定硅时用MIBK稀释样品后直接测定. 由于改变了前处理方法使整个测定时间从常用方法的几小时缩短到15分钟, 8次测得Al和Si的回收率和变异系数分别为94-112%, 1.9%; 和92-106%, 4.3%
Institutional Repository of Dalian Institute of Chemical Physics, CAS