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水中浑浊度的测定，长时期以来，采用硅藻土目视法［１］，１９８５年出版的《生活饮用水标准检验法》 （Ｇ ５７５Ｇ－８５）增加了以福尔马肼为标准的分光光度法［２］，近年我国生活饮用水标准检验方法协作组将硅藻土法删除，而制定了以福尔马肼为标准的散射法，１９９５年
Determination of water turbidity, since a long period of time, using diatomite visual method [1], published in 1985, “Standard Test Method for Drinking Water” (G 575G-85) added formalin-based spectroscopy Photometry [2], in recent years, China’s drinking water standard test method group will be diatomaceous earth removed, and formulated with formalin-based scattering method, 1995