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Determination of phosphoric acid in the air of workplace by ion chromatography / 中华劳动卫生职业病杂志
Chinese Journal of Industrial Hygiene and Occupational Diseases ; (12): 144-145, 2011.
Artigo em Chinês | WPRIM | ID: wpr-272637
ABSTRACT
<p><b>OBJECTIVE</b>To develop a method to determine phosphoric acid in the air of workplace by ion chromatography.</p><p><b>METHODS</b>Phosphoric acid was collected by millipore filter and washed by deionized water then detected by ion chromatography.</p><p><b>RESULTS</b>Linearity range of test was 0 ∼ 20 µg/ml, relative standard deviation (RSD) was 1.95% ∼ 3.31%, the elution efficiency was 103.0% ∼ 109.6%, determination limit was 0.1 µg/ml (when sample size was 20.01) concentration limit was 0.01 mg/m(3) (when the collected air was 75 L).</p><p><b>CONCLUSION</b>This method is convenient for air collection, simple, with high sensitivity and good precision, is a good method for determination of phosphoric acid in the air of workplace.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Ácidos Fosfóricos / Cromatografia / Local de Trabalho / Poluentes Ocupacionais do Ar / Íons Idioma: Chinês Revista: Chinese Journal of Industrial Hygiene and Occupational Diseases Ano de publicação: 2011 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Ácidos Fosfóricos / Cromatografia / Local de Trabalho / Poluentes Ocupacionais do Ar / Íons Idioma: Chinês Revista: Chinese Journal of Industrial Hygiene and Occupational Diseases Ano de publicação: 2011 Tipo de documento: Artigo