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riverland1

金虫 (小有名气)

[求助] pHpzc与表面酸碱性的关系?

pHpzc较高,表明OH-较多才能中和表面酸性基团,说明表面酸性较大。但有看到资料说pHpzc高时表面碱性基团多。二者矛盾,求解释。
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beerglass385

木虫 (著名写手)

【答案】应助回帖

★
kanavaro11(金币+1): 积极 2011-09-19 08:09:31
pHpzc,表示的是零电荷点电位.
我认为,其高低与表面羟基含量无关.
但是要密切注意,溶液pH却显著影响表面羟基的酸碱性质,这与溶液的pH值和pHpzc直接的关系密切相关!
2楼2011-09-19 08:03:40
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CQUTT

新虫 (初入文坛)

这个问题同求解释啊
3楼2018-04-02 19:59:28
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