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gong zuo chang suo kong qi zhong jia suan de li zi se pu ce ding fa
Author(s): 
Pages: 510-512
Year: Issue:  8
Journal: Chinese Journal of Industrial Hygiene and Occupational Diseases

Keyword:  甲酸离子色谱硅胶管空气;
Abstract: 目的 建立工作场所空气中甲酸的硅胶管采集离子色谱测定法.方法 甲酸经硅胶管采集,20 mmol/L KOH溶液解吸,离子色谱法测定.结果 进样量25 μl,甲酸浓度在0~25.0 mg/L范围内具有良好的线性关系,方法的相对标准偏差为0.6%~1.2%,加标回收率为98%~103%,测定范围为0.8~83.3 mg/m3.结论 该方法适用于工作场所空气中甲酸的测定.
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