天气预报15天查询> 财经> baso4是沉淀吗

baso4是沉淀吗

更新时间: 2021-01-05 19:28:38     

1、是。但都是相对的,硫酸钡溶于浓硫酸,生成Ba(HSO4)2。

2、BASO4相对于水来说是沉淀,相对于浓硫酸来说,则不是沉淀。

3、沉淀硫酸钡由硫化钡溶液与加入经除去钙、镁后的芒硝溶液混合,于80℃进行反应,生成沉淀,经抽滤、水洗和酸洗后,调节pH值5~6,再过滤,干燥,粉碎制得。亦可用钡黄卤与芒硝溶液反应制得。

关键词: baso4 沉淀

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-1207658/ | 耗时:0.6357 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=1207658 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1207658 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1207658 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3485387,1157089,705468,775825,754476,466187,1009897,2625437,790690,1054799,504899,401157,1156628,747161,972768,655823,969575,385361,1120834,500978,3401508,749966,474530,715179,494513,948072,583910,931514,917787,1042341) ORDER BY field (ArticleID,3485387,1157089,705468,775825,754476,466187,1009897,2625437,790690,1054799,504899,401157,1156628,747161,972768,655823,969575,385361,1120834,500978,3401508,749966,474530,715179,494513,948072,583910,931514,917787,1042341)