The catalytic activity of catalyst, which was regenerated by sulphonation, could almost all be recovered.
经磺化再生后的催化剂，其催化活性基本上能完全恢复。
Further quantitative detection on sulfonate rate of sulphonation chitosan in titration determines that the average sulfonate rate of products is 8.51%.
进一步用动态滴定法对磺化壳聚糖的磺化率进行定量检测，确定产品的平均磺化率为8.51%。
It was found that the substituent attached at the phenyl exerted influence on the yields of synthesis, on the experimental conditions of sulphonation and on the acid-base properties of the reagent.
研究表明，芳醛上取代基不同对卟啉的合成、磺化和试剂的离解平衡等有一定的影响。
It was found that the substituent attached at the phenyl exerted influence on the yields of synthesis, on the experimental conditions of sulphonation and on the acid-base properties of the reagent.
研究表明，芳醛上取代基不同对卟啉的合成、磺化和试剂的离解平衡等有一定的影响。
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