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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

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