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Resorcinol - determination method in the workplace air
Jeżewska, Anna ; Kondej, Dorota
Medycyna pracy, 2022-04, Vol.73 (2), p.135-142
[Periódico revisado por pares]
Poland: Nofer Institute of Occupational Medicine
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Título:
Resorcinol - determination method in the workplace air
Autor:
Jeżewska, Anna
;
Kondej, Dorota
Assuntos:
Air Pollutants, Occupational - analysis
;
Chromatography, High Pressure Liquid - methods
;
determination method
;
environmental engineering
;
health sciences
;
Humans
;
resorcine
;
resorcinol
;
Resorcinols - analysis
;
Workplace
;
workplace air
É parte de:
Medycyna pracy, 2022-04, Vol.73 (2), p.135-142
Descrição:
Resorcinol (1,3-dihydroxybenzene) is a white solid used in rubber, pharmaceuticals, cosmetics, paints and varnishes and other industries. Resorcinol is a harmful, irritant, methemoglobin-forming and hemolytic substance. It can cause kidney and liver damage. The aim of the study was to develop a method for the determination of resorcinol in the workplace air, which would enable the determination of its concentrations in the range 0.1-2 of the MAC (maximum allowable concentration) value. The method relies on passing the test air containing resorcinol through a cellulose filter, extraction with aqueous methanol solution and chromatographic analysis of the obtained solution. The tests were performed using a liquid chromatograph (HPLC) 1200 series of Agilent Technologies with a diode array detector (DAD). The determinations were carried out using an Allure Basix column (250 × 4.6 mm, 5 μm granulation). The procedure was validated according to European Standard PN-EN 482. The developed method allows the determination of resorcinol in the workplace air in the concentration range of 4.5-90 mg/m . The limit of detection is 0.087 μg/ml, the precision 5.16% and the relative expanded uncertainty 22.6%. The method described enables selective determination of resorcinol in workplace air in the presence of 1,2-dihydroxybenzene, 1,4-dihydroxybenzene, benzene and phenol. The method is characterized by good precision and accuracy; it meets the requirements of the European Standard PN-EN 482, and can be used by occupational hygiene laboratories to measure concentrations of resorcinol in workplace air to assess workers' exposure to this substance. Med Pr. 2022;73(2):135-42.
Editor:
Poland: Nofer Institute of Occupational Medicine
Idioma:
Polonês;Inglês
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