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为了解西藏地区饮用水水质卫生情况,掌握碘、氟和总硬度在各地区饮水中的分布状况,我们于1989年5～6月对拉萨市及郊区、5个地区所在地及部分县(区)饮水中碘、氟和总硬度含量进行了一次性调查。 1 方法 1.1水样采集根据西藏的地理特点及交通条件,依次对日喀则、泽当、拉萨市及郊区、昌都、林芝、那曲6地区(县)采集水样,每一地区按东西南北中分布采集点,各采样点取
To understand the hygienic condition of drinking water in Tibet and to know the distribution of iodine, fluoride and total hardness in drinking water in various regions, we conducted a survey on the distribution of drinking water in various districts in Lhasa and the suburbs from May to June 1989, Drinking water iodine, fluorine and total hardness content of a one-time investigation. 1 Method 1.1 Collection of water samples According to the geographical characteristics of Tibet and traffic conditions, water samples were collected from Shigatse, Zeidang, Lhasa and suburbs, Qamdo, Nyingchi and Nagqu in turn, and collected in each area according to the distribution of East, West, South and North China Point, the sampling point to take