Hammett acidity function
- 哈米特酸度函数;哈密特酸度函数
Hammett acidity function-
The Hammett acidity function ( H ,) of the complex resin 2 was determined tobe ≤ - 12 . 70 using p-nitrochlorobenzene as indicator .
用对硝基氯苯作指示剂测得复合树脂2的Hammett酸度常数为－12.70。
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The results show that after being calcined at 500 ℃, SO 2 - 4 / SiZrR exhibited superacidity and mesoporous structure with the Hammett acidity function H o < - 11 93 and the most probable pore size at ca . 2 3 nm .
实验结果表明：500℃焙烧后，SO2-4/SiZrR的Hammett酸度函数Ho<-1193，最可几孔径分布在23nm左右，具有超强酸性和介孔结构；