天气预报 > 教育 > 金粉怎么练成金块
金粉怎么练成金块
更新时间: 2021-01-11 14:19:40  

金粉怎么练成金块?

1、首先,将回收的金首饰或者是金矿中开採的金沙等物进行融化得到小颗粒。

2、然后将金子颗粒再次倒进高温熔炉进行融化,由于黄金具有很稳定的化学性质,必须要在1600度以上才能化成液体状,将烧化了的金水倒入模具中,模具中的黄金逐渐凝固成为固体,待黄金完全凝固后,将金块从模具中取出。

3、取出后的黄金,放到专门的地方进行冷却,最后用机器在金条上依次刻上编号,出產地,纯度等等信息。

关键词: 怎么 金块

金粉怎么练成金块相关经验

天气预报

最新推荐

页面:/news/view-1174058/ | 耗时:0.8164 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=1174058 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1174058 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1174058 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1118945,2997250,479675,501381,904460,1100044,482092,498774,86729,972660,551548,551784,469349,372826,247134,478322,484889,100469,366569,506088,427719,425601,402239,366299,364066,444908,527056,430484,450514,409375) ORDER BY field (ArticleID,1118945,2997250,479675,501381,904460,1100044,482092,498774,86729,972660,551548,551784,469349,372826,247134,478322,484889,100469,366569,506088,427719,425601,402239,366299,364066,444908,527056,430484,450514,409375)