一、变黄底片把底片放在含量25%柠檬酸、硫胺混合液中漂洗5—10分钟,晾干即可.二、清除霉斑先把底片在流动清水漂洗15分钟,等药膜充分膨胀后,放入D—72配方显影液(原液)内显影5分钟,同时用干净的脱脂棉轻轻揩掉霉斑,再放入5%的冰醋酸中过一下,最后再用水洗15分钟,晾干即可. First, the yellowing film The film on the content of 25% citric acid, thiamine mixture rinse for 5-10 minutes, to dry. Second, clear the mold first rinse the film in running water for 15 minutes, and so full of film Expansion, into the D-72 formula developer (stock solution) for 5 minutes, while gently removing the mildew with a clean cotton wool, then add 5% of the glacial acetic acid and then, and finally washed with water for 15 minutes, Can be dried.