怒江西藏那曲索县段水质检测及其意义

目的了解怒江西藏那曲索县段水质情况。方法对怒江西藏那曲索县段水质进行现场调查,并按照《生活饮用水标准检验法》(GB5750-1985)进行采样及检测水质。结果采用国家《地面水环境质量标准》(I类)及军队平时饮用水标准评价执行《国家饮用水卫生标准》(GB5749-1985)]对水质进行评价。结果怒江西藏那曲索县段水质的感官性状、化学指标、毒理学指标及细菌学等25项指标通过检测仅有总硬度、溶解性总固体、汞、镉、细菌总数及总大肠菌群超标。结论怒江西藏那曲索县段水质良好,经处理后可作为生活饮用水,因此应继续加强保护。

The examination and significance of water quality in the Nu river of Suo county portion in Naqu district Tibet

Objective To study the conditions of water quality in the Nu river of Suo county portion in Naqu district Tibet. Methods Investigate on-the-spot the water quality in the Nu river of Suo county portion in Naqu district Tibet, and according to living drinking standard testing method(I classification)and armed forces normally living drinking standard estimate(adopt the nation sanitary standard for drinking water(GB5749-1985))and estimate the water quality.Results The sense organ and quale , chemistry index, toxicology index and bacteriology ad of water quality in the Nu river of Suo county portion in Naqu district Tibet have the twenty-five item index pass the detection, merely the total hardness, dissolubility total solids, HG, Cd, total dacterial count and total coli group all exceed the normal index. Conclusion The conditions of water quality was well in the Nu river of Suo county portion in Naqu district Tibet, by after handling can regard as living drinking, so ought to strengthen the protection.