Descriptors | Silver, Chemical analysis and testing, Calibration, Starches, Methylene blue, Determination of content, Colorimetry, Densitometric analysis, Test equipment, Photographic plates, Gelatin, Photographic chemicals, Chemical hazards, Halides, Iodine, Hazards, Testing conditions, Photographic paper, Fixing (photography), Photographic materials, Specimen preparation, Photography, Health and safety requirements, Thiosulfates, Concentration (chemical), Polythionates, Sulfides |