| 摘要 |
A class of non-sulfide, silicate gangue material depressants based on naturally- occurring galactomannans, having a galactose-to-mannose ratio of less than 1 :2.1, exemplified by modified products of the seed gums: casia tora gum, sesbania gum, kalonji gum, Ceratonia siliqua gum and/or Tamarindus indica gum, and methods of making and using them. |
