化学配方数据库
| 配方类型： | INKS |
| 配方说明： | Invisible Ink |
| 配方组成： | Dextrin/2 This writes practically colorless and turns blue on treating with a solution of potassium ferricyanide, in water. No. Ferrous sulfate/1 Water/9 Glycerin/10 Starch, Soluble/1 Water/9 Cobaltous chloride/2 Phenolphthalein/1 Denatured Alcohol/9 |
| 配制方法： | This writes colorless and turns blue on treating with awater solution of potassium iodide. |
| 返回数据库查询 |