Determination of Thallium in Blood of Occupational Exposed Population by Inductively Coupled Plasma Mass Spectrometry With High Matrix Introduction

Fei ZHANG; Xia HUA; Jia-ying YUAN; Fan YOU; Ren-cai YE; Li DING; Jian-mei ZHAO

doi:10.3964/j.issn.1000-0593(2022)09-2870-05

Spectroscopy and Spectral Analysis, Volume. 42, Issue 9, 2870(2022)

Determination of Thallium in Blood of Occupational Exposed Population by Inductively Coupled Plasma Mass Spectrometry With High Matrix Introduction

Fei ZHANG1,1; 5;... Xia HUA2,2; *;, Jia-ying YUAN3,3;, Fan YOU1,1;, Ren-cai YE4,4;, Li DING4,4; and Jian-mei ZHAO4,4; |Show fewer author(s)

Author Affiliations

¹1. Sichuan Center for Disease Control and Prevention, Chengdu 610041, China

²2. Sichuan Center for Food and Drug Evaluation, Inspection & Monitoring, Chengdu 610017, China;

³3. Chengdu University of Traditional Chinese Medicine, Chengdu 610032, China

⁴4. Liangshan Zhou Center for Disease Control and Prevention, Liangshan 615000, China

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Figures & Tables(5)

Fig. 1. Mass spectrogram of standard series and internal standard (a); Standard curve equation of thallium (b)

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Fig. 2. Variation of internal standard element signals

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Table 1. Instrumental parameters for HMI-ICP-MS

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Table 1. Instrumental parameters for HMI-ICP-MS

参数	设定值
RF power	1 550 W
Cool gas flow	15.0 L·min^-1
Auxiliary gas flow	0.90 L·min^-1
Plasma gas flow	15 L·min^-1
Nebulizer pump speed	0.1 r·min^-1
Carrier gas flow rate	1.05 L·min^-1
Acquisition mode	Mass spectrogram
Tuning mode	No Gas
Plasma mode	HMI

Table 2. Analytical results of thallium in blood under different treatments by HMI-ICP-MS (n=6)

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Table 2. Analytical results of thallium in blood under different treatments by HMI-ICP-MS (n=6)

冻干全血质量控制样品	方法	测定值/(μg·L^-1)	精密度/%	误差/%	参考值范围/(μg·L^-1)
	1	11.7, 10.9, 11.0, 11.4, 11.0, 12.8	6.28	11.9
	2	11.0, 10.5, 11.5, 10.2, 10.7, 9.75	5.77	4.79
L-2	3	10.6, 10.8, 10.2, 9.91, 10.7, 10.6	3.26	3.52	10.1(8.1~12.1)
	4	11.2, 11.2, 11.9, 10.9, 11.6, 10.8	3.71	10.4
	5	10.3, 11.1, 11.3, 11.1, 10.7, 10.2	4.25	6.34
	1	32.7, 31.5, 34.4, 33.8, 30.9, 34.2	4.45	3.39
	2	34.4, 33.9, 31.1, 33.8, 34.7, 32.6	4.02	4.84
L-3	3	33.4, 31.9, 33.8, 31.8, 32.4, 32.5	2.47	2.55	31.8(29.0~34.5)
	4	33.8, 32.9, 34.3, 34.5, 31.3, 32.2	3.80	4.12
	5	33.5, 34.5, 32.1, 33.1, 34.2, 33.2	2.56	4.89

Table 3. Recovery and precision of the method (n=7)

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Table 3. Recovery and precision of the method (n=7)

本底 /(μg·L^-1)	加标 /(μg·L^-1)	测得值/(μg·L^-1)	回收率 /%	批内精密度 /%	批间精密度 /%
<0.42	2.50	2.63, 2.70, 2.60, 2.59, 2.55, 2.61, 2.49	103.8	2.52	-
<0.42	2.50	2.71, 2.45, 2.61, 2.44, 2.57, 2.38, 2.64	101.7	-	4.77
<0.42	15.0	15.2, 15.7, 16.3, 15.3, 15.2, 15.6, 16.1	104.2	2.81	-
<0.42	15.0	15.4, 14.0, 14.2, 15.4, 14.9, 15.1, 13.9	92.7	-	4.44
<0.42	75.0	75.6, 74.8, 73.7, 72.9, 75.2, 72.1, 74.3	98.8	1.71	-
<0.42	75.0	75.4, 76.5, 77.3, 72.9, 71.2, 74.6, 73.6	99.3	-	2.84

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Fei ZHANG, Xia HUA, Jia-ying YUAN, Fan YOU, Ren-cai YE, Li DING, Jian-mei ZHAO. Determination of Thallium in Blood of Occupational Exposed Population by Inductively Coupled Plasma Mass Spectrometry With High Matrix Introduction[J]. Spectroscopy and Spectral Analysis, 2022, 42(9): 2870

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