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5
不同体积的PTU与铂、钯回收率的关系
元素
PTU
体积
mL
回收率/%
元素
PTU
体积
mL
回收率/%
Pt
0.1
93.3
Pd
0.1
92.2
0.2
94.2
0.2
94.4
0.3
95.7
0.3
94.7
0.5
99.6
0.5
98.7
1.0
99.1
1.0
99.1
2.0
99.4
2.0
98.8
3.0
98.7
3.0
99.2
4.0
98.9
4.0
99.1