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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 ) m7 J6 [ v$ ~+ h2 Z+ d _+ Q
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alkaline 对应名词 alkali
. a2 O. b$ S3 s) L3 p+ m, u( o8 mbasic 对应名词 base" `4 i) a& F* E( |) I2 V* C+ p
T5 l5 K; m; h1 s" u3 pThe terms "base" and "alkali" are often used interchangeably, particularly outside the context of chemistry and chemical engineering.5 w- F8 y. j$ L( j
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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.$ c7 n6 U: P v f& Q% [
- a0 n( D1 c! j( D1 s& x7 C1. A basic salt of an alkali metal or alkaline earth metal[2] (this includes Mg(OH)2 (magnesium hydroxide) but excludes NH3 (ammonia)).3 F. A2 a8 W! d( q0 T; p
# T: S3 s' J3 f7 c% ~& N2. 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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