The result of determining the ash of HBS lignin is bette r than of sulf olignin that supplied by Jilin Dushanzi Company, when we use this method determi nate.

• 利用木质素灰分测定的方法,对高沸溶剂(HBS)法提取的木质素灰分与吉林独山子公司提供的木质素磺酸盐进行测定,结果表明本方法制备HBS木质素质量更好。