Relationship between bleaching property nd molecular structure of yellow, magenta and cyan oil soluble dyes for silver-dye-bleach photography were studied.
结果表明，油溶性染料分子中，取代基团的吸电性强，不对称性大，取代基含脂肪链短的，其漂白性能好。
2
After several periods storage in common conditions, color reversion of bleachingoil from mature soybean becomes sharp, on the contrary, the color of oil from immature soybean becomes pale.
脱色后的油脂放置一段时间后，熟大豆脱色油发生回色现象，而青大豆油色泽反而变浅。
3
Bleaching process has different effects on oil quality. Adsorbent adsorbs minor components, and ACTS as catalyst during bleaching process at the same time.