Determination of manganese in urine by direct dilution-inductively coupled plasma mass spectrometry
10.3760/cma.j.cn121094-20210118-00028
- VernacularTitle:尿中锰测定的直接稀释-电感耦合等离子体质谱法
- Author:
Meiying DONG
1
;
Yongjun LI
;
Zhiheng XIA
;
Dongmei LI
;
Jianyun SUN
Author Information
1. 730020 兰州，甘肃省疾病预防控制中心
- Keywords:
Urine;
Manganese;
Mass Spectrometry;
Direct dilution method;
Internal standard method
- From:
Chinese Journal of Industrial Hygiene and Occupational Diseases
2021;39(8):610-612
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To establish a direct dilution-inductively coupled plasma mass spectrometry method for the determination of manganese in urine.Methods:Using 1% nitric acid solution as diluent, the urine dilution factor and internal standard elements were determined by single factor rotation experiment. The linear range, correlation coefficient, precision, accuracy and detection limit of the direct dilution-inductively coupled plasma mass spectrometry for the determination of manganese in urine were evaluated.Results:The linear range of this method was 0.0-20 μg/L, the correlation coefficient was 0.999 9, the detection limit was 0.02 μg/L, the recoveries were 84.65%-103.40%, the relative standard deviations were 0.26%-8.17%.Conclusion:This method has the advantages of simple operation, high sensitivity and low detection limit. It can be used for the determination of urine manganese at the same time with other elements. It is suitable for the determination of urine manganese in workers and ordinary people.
