天气预报15天查询> 其他> 纯净水指标是多少正常

纯净水指标是多少正常

更新时间: 2020-10-30 00:00:00     

纯净水指标的正常标准:在国标GB17323-1998中明确规定,饮用纯净水中三氯甲烷和四氯化碳的含量分别不得超过0.02mg/L、0.001mg/L。

纯净水指的是不含杂质的H₂O,简称净水或纯水,是纯洁、干净,不含有杂质或细菌的水,如有机污染物、无机盐、任何添加剂和各类杂质,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。

关键词: 纯净水 指标 多少 正常

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-211509/ | 耗时:0.9312 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=211509 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=211509 LIMIT 0,1
select * from tbl_Articles_sphinx where id=211509 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1064345,1072745,1084966,1086872,1071992,1064645,993095,1064833,1053224,1088431,1109304,1081420,1065741,1063229,1298135,1045825,1054136,1065083,1047775,1048236,1306516,1070050,1048158,1061598,1077778,1076277,1078521,1075648,1091900,1052807) ORDER BY field (ArticleID,1064345,1072745,1084966,1086872,1071992,1064645,993095,1064833,1053224,1088431,1109304,1081420,1065741,1063229,1298135,1045825,1054136,1065083,1047775,1048236,1306516,1070050,1048158,1061598,1077778,1076277,1078521,1075648,1091900,1052807)