Determination of samarium oxide and lanthanum oxide in the air of workplace by inductively coupled plasmamass spectrometry
10.3760/cma.j.issn.1001-9391.2019.08.015
- VernacularTitle: 工作场所空气中氧化钐和氧化镧测定的电感耦合等离子质谱法
- Author:
Huimin LI
1
;
Haijing YIN
;
Zihao ZHANG
;
Dong WANG
;
Xuemin SHI
;
Jingkai LIANG
;
Haobo HAO
;
Zhengnan LI
Author Information
1. Baotou Medical College, Baotou 014040, China
- Publication Type:Journal Article
- Keywords:
Samarium oxide;
Lanthanum oxide;
Air;
Workplace;
Inductively coupled plasmamass spectrometry
- From:
Chinese Journal of Industrial Hygiene and Occupational Diseases
2019;37(8):616-618
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To establish a method for the determination ofsamarium oxide and lanthanum oxide by inductively coupled plasmamass spectrometryin the air of workplace.
Methods:Samarium, lanthanum and their compounds in the air of workplace were collected through microporous filter. The samples were digested by nitricacid and perhydrol (V/V=4∶1) and detected by inductively coupled plasmamass spectrometry.
Results:The linear range ofsamarium oxide and lanthanum oxide was 0-50.00 μg/L, Sm2O3: y=0.0119x, r=0.9999; La2O3: y=0.0617x, r=0.9998. The detection limits were less than 0.1 μg/L, and the minimum detection concentration were less than 1.52×10-5 mg/m3. The sampling efficiency were 100%, the recovery rates were 95.70%-102.01%, and the precision were 0.78%-1.58%.
Conclusion:The indicators established in this study are conformed with the requirements of Chinese Occupational Standars of GBZ/T 210.4-2008, "The Guidelines for the Development of Occupational Hygiene StandarsMehods Part 4: Determination of Chemical Substances in the Air of Workplace".
