天气预报 > 其他 > 硫酸镁的制造过程
硫酸镁的制造过程
更新时间: 2020-06-29 00:00:00  

硫酸镁的制造过程如下:

在100毫升浓度为百分之十的硫酸中,慢慢加入氧化镁粉末约30克,温度会逐步上升。待温度降到30度以下时,测定一次pH值。如pH小于5,应继续加氧化镁,如pH大于5,再慢慢添加硫酸,最终将pH调到5左右。然后过滤,将滤液浓缩、结晶,即可得到硫酸镁。

关键词: 硫酸 制造 过程

硫酸镁的制造过程相关经验

天气预报

最新推荐

页面:/news/view-1821777/ | 耗时:1.0389 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=1821777 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1821777 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1821777 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1088774,1069003,1055295,1086698,1112754,1122152,1088586,1123331,1102770,1077490,1112917,1102320,1041343,1057595,1090541,1103680,1095792,1114836,1121385,1108237,1104941,1071821,1059016,1085390,1063831,1067966,1109058,1042959,1087884,1092113) ORDER BY field (ArticleID,1088774,1069003,1055295,1086698,1112754,1122152,1088586,1123331,1102770,1077490,1112917,1102320,1041343,1057595,1090541,1103680,1095792,1114836,1121385,1108237,1104941,1071821,1059016,1085390,1063831,1067966,1109058,1042959,1087884,1092113)