受化工部第一胶片厂研究所的委托,我们对该厂生产的黑自正片,进行了色平衡和吸水性能试验。试验在4401洗片机中进行,该机是我厂为中国电影资料馆复制资料影片的专用机。为了适应资料影片复制工作的需要,对黑白正片显影液的原来配方作了一些调整。定影液仍为F—5配方。 Commissioned by the Ministry of Chemical Industry’s first film factory Institute, we produced black self-positive film, the color balance and water absorption performance test. Experiments in the 4401 washing machine, the machine is my factory for the Chinese Film Archive copy data video dedicated machine. In order to adapt to the needs of the data copying work, some adjustments have been made to the original formulation of black and white positive developer. Fixer is still F-5 formula.