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石棉系环境污染物,国外已把它看作是一种公害,并认为经消化道入体可能与肺外肿瘤发病有关。本文旨在探讨水中石棉纤维的测定方法及目前上海饮用水中存在的石棉纤维情况,以期从中了解水源是否受到污染。 方法 1.水样处理 水样沉渣收集 取水样500毫升,经孔径为0.45微米的混合纤维滤膜(上海第十制药厂出品)抽滤,将滤膜上沉渣连同滤膜置磁
Asbestos Department of environmental pollutants, foreign countries have regarded it as a public nuisance, and that the body through the digestive tract may be related to the incidence of extra-pulmonary tumors. The purpose of this paper is to investigate the determination of asbestos fibers in water and the presence of asbestos fibers present in drinking water in Shanghai in order to understand whether water is contaminated. Method 1. Water samples were collected water sediment 500 ml of water samples collected through a 0.45-micron diameter hybrid fiber membrane (Shanghai Pharmaceutical Co., Ltd. produced the tenth) suction filtration, the filter residue with the filter membrane