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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 ( W3 E# a: N- x5 j* A% o: I! D
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alkaline 对应名词 alkali/ t& C2 B* j- q3 Z
basic 对应名词 base
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6 v3 O. M, c5 \, H3 aThe terms "base" and "alkali" are often used interchangeably, particularly outside the context of chemistry and chemical engineering.
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There 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)).% C. m9 f0 W; [" p$ I& E9 x$ p8 X9 `* B
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2. 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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3 Q0 h" W% l1 ^1 hbase 是怎么定义的呢?自己看书去。 |
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