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发表于 2023-3-1 17:57:06
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本帖最后由 entropy 于 2023-3-1 18:02 编辑 - s4 w- E3 |/ p: C
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alkaline 对应名词 alkali+ A% j% u+ C! k! d V
basic 对应名词 base
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8 P' S% S$ F& V6 e) W' cThe terms "base" and "alkali" are often used interchangeably, particularly outside the context of chemistry and chemical engineering.
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$ D( O! [# I( w4 K/ _7 D" b9 O1 bThere are various, more specific definitions for the concept of an alkali. Alkalis are usually defined as a subset of the bases. One of two subsets is commonly chosen.
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1. A basic salt of an alkali metal or alkaline earth metal[2] (this includes Mg(OH)2 (magnesium hydroxide) but excludes NH3 (ammonia)).6 a: R/ ^8 T1 w+ O- m
: W9 _0 Y2 ]# _& z2. Any base that is soluble in water and forms hydroxide ions[3][4] or the solution of a base in water.[5] (This includes both Mg(OH)2 and NH3, which forms NH4OH.)
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base 是怎么定义的呢?自己看书去。 |
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