石墨炉原吸收光谱法测定化探样品中超痕量铂钯
官东超
The application of graphite furnace atomic absorption spectrometry to determination of ultra-trace platinum and ultra-trace palladium in rock ore
Dong-Chao GUAN
表3
不同王水浓度与铂、钯回收率的关系
元素
王水浓度/%
回收率/%
5
93.3
10
93.7
12
94.5
15
98.7
Pt
18
97.6
20
98.1
22
93.6
25
93.5
30
92.8
5
92.4
10
93.1
12
93.4
15
99.2
Pd
18
96.8
20
97.2
22
94.4
25
94.6
30
93.6