| 摘要 |
PURPOSE:To attain a deodorizing effect by immersing thoroughly washed and rinsed feather in a mixture of a ferrous salt selected from ferrous sulfate, fer rous chloride and ferrous nitrate and an acid selected from l-ascorbic acid and citric acid. CONSTITUTION:Feather is washed and thoroughly rinsed. The cleaned feather is immersed in a liquid mixture containing (A) ferrous sulfate, ferrous chloride or ferrous nitrate and (B) l-ascorbic acid or citric acid as an oxidation suppressing agent. |
