This entry is missing Overview , add relevant content to make the entry more complete, and it can also be upgraded quickly. Hurry up edit Come on! Photographic emulsion is called emulsion for short. A suspension of silver halide microcrystals in gelatin. The main raw materials are silver nitrate, halide, gelatin and various additives.
- Chinese name
- Photographic emulsion
- Abbreviation
- emulsion
Gelatin is the protective colloid of silver halide particles. Evenly coat the sheet base or paper base and other supports in the darkroom, and then dry them Photosensitive material 。 Before coating film or photo paper, add surface active agent It mainly plays the role of interface wetting and coating uniformity, and the commonly used ones are anionic powder and non-ionic powder Turkish red oil Etc. [1] 
