Koi beniiro no bara - right (181 R)
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| Museum number | 181 |
|---|---|
| Uemura number / title | ; "Haze-some 25" |
| Folder location | 3rd shelf |
| Sample location | right (181 R) |
| Fiber type | silk |
| Color | black |
| Dyestuff (Japanese common name) | 濃紅色の薔薇 : Koi beniiro no bara |
| Dye (English common name) | Tea rose /dark red rose |
| Dyestuff (botanical name) | Rosa x centifolia L. (?) |
| Plant part | flower /fresh (?) |
| Dyestuff extraction | boiled in water |
| Auxiliary agent in dye bath | - |
| Mordant | melanterite (FeSO47H2O) |
| Other auxiliary agent | - |
| Uemura's notes | When rubbing fresh flower petals of the rose on a fabric, the resultant color was blue purple. And by mordanting this with copper, the color became red purple. This was considered to be due to its weak acidic condition, rather than the presence of copper. The dye compound was fixed well to the fiber. |
| Uemura's date | Kyoto |