|
发表于 2023-3-1 17:57:06
|
显示全部楼层
本帖最后由 entropy 于 2023-3-1 18:02 编辑
" P F5 H% M/ _' @5 X5 x( G5 {
alkaline 对应名词 alkali
& ^# D( [. v, C' Kbasic 对应名词 base: ~' `: v9 D+ Z8 m+ x/ @# n: T. h# r8 h$ q
- P7 {' R; z; I9 s' }The terms "base" and "alkali" are often used interchangeably, particularly outside the context of chemistry and chemical engineering.
5 |, H5 v7 J8 I6 ?' Z1 Z: b
& x/ b3 x/ Y& s. D I8 n9 YThere 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.
: i# D0 h' m! L+ S+ M
6 X( m2 V+ Z H0 I$ [8 k: E2 F$ }1. A basic salt of an alkali metal or alkaline earth metal[2] (this includes Mg(OH)2 (magnesium hydroxide) but excludes NH3 (ammonia)).8 h7 H0 o" n B, @
0 S& f% r2 O9 _: r/ Y3 F2. 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.)# t) a7 B; B# V- X2 M6 l0 n6 J# f
3 j! X9 g( |2 {base 是怎么定义的呢?自己看书去。 |
|