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