The ash content of HBS lignin (mason pine) is 0.6%,while the ash content of traditional lignin sulfonate is 21.4%.

• 从松木中提取的?沸醇木质素的w(灰分)=0 6%25,而传统造纸黑液制得木质素磺酸钙的w(灰分)=21 4%25。