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衣服染上蓝黑钢笔水怎么洗掉
更新时间: 2020-10-07 00:00:00  

1、先用冷水将污渍处浸洗,然后抹上肥皂,轻轻刷搓或刷洗,这样可以除去一部分污迹。

2、陈迹则要放在百分之二的草酸溶液中浸泡几分钟,再撒上一些保险粉(即低亚硫酸钠)待其产生化学反应后就能除去污渍。

原理:蓝黑墨水中含有鞣铁酸,没食子酸和硫酸亚铁这些物质都易溶于草酸中,加上低亚硫酸钠将不溶解的亚铁转变为易溶解的的三价铁,能使墨水褪色。

关键词: 衣服 钢笔 怎么

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