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2
不同盐酸浓度与铂、钯回收率的关系
元素
盐酸浓度/%
回收率/%
5
92.1
10
93.4
15
97.8
25
98.7
Pt
35
97.2
45
95.9
50
92.1
55
91.8
60
91.3
5
91.4
10
92.6
15
97.7
25
99.0
Pd
35
98.1
45
96.9
50
93.3
55
92.2
60
92.5