Determination of Trace Oxygen in High Purity Gold by Using Inert Gas Fusion Infrared Spectroscopy

Table 1. Results of oxygen blank in tin particle (mg·kg^-1, n=12)
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Table 1. Results of oxygen blank in tin particle (mg·kg^-1, n=12)
No. Results No. Results
1 0.068 7 0.079
2 0.071 8 0.060
3 0.080 9 0.079
4 0.050 10 0.067
5 0.080 11 0.066
6 0.083 12 0.067
平均值 0.07
标准偏差 0.01
定量限 0.1

Table 2. Measurement results of oxygen in high purity gold
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Table 2. Measurement results of oxygen in high purity gold
No. 氧含量测量值
/(mg·kg^-1) No. 氧含量测量值
/(mg·kg^-1)
1 0.984 7 0.957
2 1.096 8 1.117
3 1.109 9 1.224
4 0.905 10 1.103
5 1.170 11 1.058
6 0.987 12 1.327
AVE 1.09
RSD/% 12
校正值 1.1

Table 3. Measurement results of oxygen in high purity gold by using addition method
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Table 3. Measurement results of oxygen in high purity gold by using addition method
No. 金质量/g 加标量/μg 测得总量/μg 回收率/%
1 0.498 14.854 17.681 103
2 0.504 4.302 6.668 99
3 0.505 47.596 52.635 105
4 0.512 9.963 12.304 99
5 0.501 37.089 39.737 101

Table 4. Measurement results of oxygen in high purity gold by using SIMS method

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Table 4. Measurement results of oxygen in high purity gold by using SIMS method

No.	SRM685w /cps	High purity gold/cps	High purity gold /(mg·kg^-1)
1	279 074	152 483	1.10
2	321 085	136 796	0.98
3	183 148	144 083	1.04
4	338 216	133 016	0.96
5	356 608	114 402	0.82
6	234 436	113 090	0.81
7	298 164	83 718	0.60
8	241 209	150 788	1.08
9	268 043	132 503	0.95
10	250 660	94 814	0.68
11	286 967	111 375	0.80
12	281 598	152 483	1.10
AVE	278 267	126 629	0.91
RSD/%	17	18	18

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Yi-chuan TANG, Yan-jie CUI, Jian-ying ZHANG, Sheng HE, Tao ZHOU, Bing WU. Determination of Trace Oxygen in High Purity Gold by Using Inert Gas Fusion Infrared Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2022, 42(2): 622

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