| 摘要 |
<p>An aqueous composition for bleaching wood pulp containing sodium hydrosulfite, and at least 2 weight percent hexamethylenetetramine based upon the weight of sodium hydrosulfite, wherein the solution has a pH between about 4 and about 11. The hexamethylenetetramine prevents or substantially reduces hydrogen sulfide formation during bleaching of the wood pulp.</p> |
