关于 王水 浓硫酸 浓盐酸腐蚀性的问题

2024-11-16 10:40:27
推荐回答(5个)
回答1:

呵呵 看来我确实没有表达清楚
王水 浓硫酸 浓盐酸 我是这么写的 中间用的是空格
意思是这3样任意挑一样强酸 就可以了 并没有说这三样要加在一起
只要是强酸就可以了

时间很快 王水大约2-6分钟 (取决于铁的材质 要是是高碳铁相当的耐腐蚀 时间会长一些 一般的2分钟就可以了 )
不过请注意 王水反应时放出的NO NO2气体是有毒的 请谨慎

98%的浓硫酸大约4分钟左右

HCl浓度25%的情况大约5分钟左右

注意 浓硫酸吸水会强烈放热 有热液溅伤的危险

浓的HCl会有氯气生成 也是有毒气体

所以在操作中请做好相应的防护措施

呵呵 不好意思 浓硫酸的那部分确实我忘记了
我计算的时候忘记了还会有钝化这个问题 太久没有碰化学了
不过只要滴几滴水在上面就可以了
剧烈的放热会很好的解决钝化的问题
当然可以在清洗的时候手工清除掉腐蚀口的氧化层 很容易的

我们当年拿到的全是98%浓度的 其它浓度都是配出来的

PS:腐蚀的时候要分几次 反应一会后就清洗掉上面的酸液
再腐蚀再清洗 不然酸液随着反应的进行浓度下降 会越来越慢

还有 这种化学的做法来源于电路板线路的制作原理
保护要留下的线路 腐蚀掉不需要的部分
要是说我说错了
可以说明下原因 大家共同进步
不要像peopleusa 一样丢下一句话就走

回答2:

1、王水、浓硫酸、浓盐酸都有强烈的腐蚀性,王水、浓盐酸都有挥发性,对人的呼吸道有伤害,在家庭条件下,不可摆弄这些东西。
2、王水是浓硝酸和浓盐酸混配的,化学试剂商店有买。没有学过化学,最好。。。。。。
3、用钢锯锯断或用钢刀剁断那块铁。

回答3:

一块铁弄断 有个朋友说用 王水+浓硫酸+浓盐酸 可以把铁腐蚀断
王水(3份浓硝酸+1份浓盐酸得来),
浓硫酸 铁方进去会钝化,不过你加热就行了
浓的HCl 要好几天的
建议用王水..快些

地址给我..要近我寄给你..免费的...不过寄给你后你得把邮寄费还我..

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2楼的clarcz.....怎么没一句对的话呢??

回答4:

初中化学-浓硫酸的腐蚀性和稀释

回答5:

用这些方法简直是扯淡~~~怎么想的....
这人都学傻了

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