Specified are the required chemical and physical properties of the product. Efforts were made to reduce the reagents used for the specified tests to as low a number as possible, and to recommend only those tests which can be carried out in a normally equipped laboratory.
CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING CHEMICALS IMPURITIES MATERIALS SPECIFICATION MATERIALS SPECIFICATIONS PHOTOGRAPHIC CHEMICALS PHOTOGRAPHIC MATERIALS PHOTOGRAPHY SODIUM SULPHITES TESTING TESTS CHEMICAL ANALYSIS AND TESTIN