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7 萃取容量实验结果

加入的铂含量/ng	$\frac{测定值}{ng}$	$\frac{回收率}{%}$	加入的钯含量/ng	$\frac{测定值}{ng}$	$\frac{回收率}{%}$
50	50.1	100	50	49.9	99.8
100	100.0	100	100	99.2	99.2
500	495.4	99.1	500	490.5	98.1
1000	984.9	98.5	1000	979.2	97.9
2000	1954.0	97.7	2000	1953	97.6