改性泥炭腐植酸对戊唑醇的降毒作用

Role of Modified Humic Acids from Peat in the Detoxification of Tebuconazole

比较研究了天然的和改性的高位沼泽泥炭腐植酸的酸碱度,结果表明:经过机械活化后泥炭腐植酸酸度增加,腐植酸制剂中的烷烃羧基(CnCOOH)量增加,而芳香烃羧基(ArCOOH)基量减少。计算了离子化酸基的分离能量和分离程度,并研究了改性腐植酸制剂对于杀菌剂戊唑醇的降毒性能。

The acid-base properties of the initial and modified humic acids from high-moor peat were studied.It was found that the acid properties of humic acid preparations increased for CnCOOH groups and weakened for ArCOOH groups upon the mechanical activation of peat.The energies of dissociation and the degrees of dissociation of ionogenic acid groups were calculated.The detoxifying properties of the modified humic acid preparations toward the fungicide tebuconazole were studied.