天气预报 > 其他 > 纯净水的ph值
纯净水的ph值
更新时间: 2020-10-03 00:00:00  

纯净水的Ph值在7到7、2之间,呈现中性或者弱碱性。

纯净水,简称净水或纯水,是纯洁、干净、不含有杂质或细菌的水,是以符合生活饮用水卫生标准的水为原水,通过电渗析器法、离子交换器法、反渗透法、蒸馏法及其他适当的加工方法制得而成,密封于容器内,且不含任何添加物,无色透明,可直接饮用。市场上出售的太空水,蒸馏水均属纯净水。有时候这个词也和化学实验室中提炼的蒸馏水或雨水通用。

关键词: 纯净水 ph

纯净水的ph值相关经验

天气预报

最新推荐

页面:/news/view-1297018/ | 耗时:0.4071 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1297018 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1297018 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1297018 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1086832,1108051,1112384,1057545,1044745,1104855,1118577,1069793,1071089,1102022,1089040,1064111,1088605,1123026,1097517,1091625,1113299,1062880,1064383,1113037,1114784,1089620,1123380,1063309,1102150,1095257,1102128,1084081,1055678,1077490) ORDER BY field (ArticleID,1086832,1108051,1112384,1057545,1044745,1104855,1118577,1069793,1071089,1102022,1089040,1064111,1088605,1123026,1097517,1091625,1113299,1062880,1064383,1113037,1114784,1089620,1123380,1063309,1102150,1095257,1102128,1084081,1055678,1077490)