天气预报15天查询> 其他> 化学实验第三题分步沉淀

化学实验第三题分步沉淀

更新时间: 2020-09-26 00:00:00     

化学实验分步沉淀:

分步沉淀是指在一定条件下,使一种离子先沉淀,而其他离子在另一条件下沉淀的现象,浸铜后渣硫酸盐分离沉淀过程是按银,铜,镍的先后顺序进行析出,因此要实现其分离,简单可行的方法是将这些金属离子转化成钠盐或碳酸盐的沉淀。

关键词: 化学 实验 分步 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-2032040/ | 耗时:0.1873 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=2032040 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2032040 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2032040 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1129661,730719,346328,1696089,340098,1959030,1560481,1536078,1361891,1990138,437870,531629,250353,1319355,2355668,2284660,232954,1287597,256326,1122905,2132551,1103022,1780860,1529056,1888010,2144761,1902455,1390394,1369106,478503) ORDER BY field (ArticleID,1129661,730719,346328,1696089,340098,1959030,1560481,1536078,1361891,1990138,437870,531629,250353,1319355,2355668,2284660,232954,1287597,256326,1122905,2132551,1103022,1780860,1529056,1888010,2144761,1902455,1390394,1369106,478503)