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提取时,调pH值,用氨水和NaOH的区别
提取时,调pH值,用氨水和NaOH的区别
2025-03-16 15:22:10
推荐回答(2个)
回答1:
当然是氨水,产物仍为硫酸铵,
用naoh会产生硫酸钠,使产物不纯.
回答2:
氨水是弱碱,有缓冲作用,一般用于微调PH,正负1左右吧。NaOH是强碱可以大范围改变PH,一般不用于提取的PH调节。
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