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cherishstone

金虫 (正式写手)


[交流] 中文都叫“碱”,但在英文中,“base”和“alkali“有什么区别呢?

如题。

[ Last edited by cherishstone on 2012-4-19 at 16:50 ]
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cherishstone

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引用回帖:
2楼: Originally posted by yeqs1 at 2012-04-19 16:54:51:
看看维基对alkali的解释
In chemistry, an alkali  is a basic, ionic salt of an alkali metal or alkaline earth metal element. Some authors also define an alkali as a base that dissolves in water.

...

谢谢,已经很详尽了!看来20金币给多了。 是该常用维基才对!学习了!
3楼2012-04-19 17:00:45
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yeqs1

铁杆木虫 (职业作家)


★ ★ ★
cherishstone(金币+1): 谢谢参与
flylrh: 金币+2, 谢谢交流~ 2012-04-20 12:44:27
看看维基对alkali的解释
In chemistry, an alkali  is a basic, ionic salt of an alkali metal or alkaline earth metal element. Some authors also define an alkali as a base that dissolves in water.

Difference between alkali and base

The terms "base" and "alkali" are often used interchangeably, particularly outside of a scientific context.

There are various definitions for alkali. Alkali is often defined as a subset of base. However, two subsets are commonly chosen.
A basic salt of an alkali metal or alkaline earth metal[2] (This includes Mg(OH)2 but excludes NH3.)
Any base that is water-soluble and forms hydroxide ions[3][4][5] or the solution of a base in water.[6] (This excludes Mg(OH)2 but includes NH3.)

The second subset of base is also called an Arrhenius base.
2楼2012-04-19 16:54:51
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linxi5925

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cherishstone(金币+1): 谢谢参与
祝福楼主。。。。。。。。。。
6楼2012-04-19 18:13:51
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Easony

至尊木虫 (知名作家)



cherishstone(金币+1): 谢谢参与
最好的祝福给最好的你!
10楼2012-04-19 20:22:40
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2012-04-19 21:09   回复  
cherishstone(金币+1): 谢谢参与
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