- calcium hyposulphite
- • гипосернистокислый кальций• гипосульфит кальция
English-Russian dictionary of chemistre. 2014.
English-Russian dictionary of chemistre. 2014.
Sodium thiosulfate — Sodium thiosulfate … Wikipedia
Photographic processing — is the chemical means by which photographic film and paper is treated after photographic exposure to produce a negative or positive image. Photographic processing transforms the latent image into a visible image, makes this permanent and renders… … Wikipedia