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

Yi-chuan TANG; Yan-jie CUI; Jian-ying ZHANG; Sheng HE; Tao ZHOU; Bing WU

doi:10.3964/j.issn.1000-0593(2022)02-0622-05

Journals >Spectroscopy and Spectral Analysis >Volume 42 >Issue 2 >Page 622 > Article

Spectroscopy and Spectral Analysis
Vol. 42, Issue 2, 622 (2022)

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

Yi-chuan TANG^1,*, Yan-jie CUI^1,1;, Jian-ying ZHANG^1,1;, Sheng HE^2,2;..., Tao ZHOU^{1,1; *;} and Bing WU^1,1;|Show fewer author(s)

Author Affiliations

¹1. National Institute of Metrology, China, Beijing 100029, China

²2. Beijing Research Institute of Uranium Geology, Beijing 100029, China

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DOI: 10.3964/j.issn.1000-0593(2022)02-0622-05 Cite this Article

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 Copy Citation Text

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Fig. 1. Results of Oxygen in gold
(a): 1^st measurement of gold; (b): 2^nd measurement of gold;(c): measurement of gold and tin

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Fig. 2. Trend of results of oxygen in gold with different mass of tin particle

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Fig. 3. Linear calibration curve of oxygen

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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 1. Results of oxygen blank in tin particle (mg·kg^-1, n=12)

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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 2. Measurement results of oxygen in high purity gold

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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 3. Measurement results of oxygen in high purity gold by using addition method

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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

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

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