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1 仪器工作条件
元素 波长/nm 狭逢/nm 灯电流/mA 步骤 起始温度/℃ 终止温度/℃ 时间/s
Pt 265.9 0.2 7.5 1 80 120 10
2 120 120 10
3 120 1400 10
4 1400 1400 10
5 2900 2900 5
6 3000 3000 3
Pd 244.8 0.4 7.5 1 80 120 10
2 120 120 10
3 120 1100 10
4 1100 1100 10
5 2600 2600 5
6 2700 2700 3