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工作场所空气中甲酸的离子色谱测定法

CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES(2009)

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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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