Soda lime is generally used in anaesthesia and undersea breathing due its property of absorbing carbon dioxide. Soda lime is also used by navy in submarines, mining and petrochemical industries. The main ingredients of soda lime are Calcium hydroxide (about 75%), Water (about 20%), Sodium hydroxide (about 3%) & Potassium hydroxide (about 1%).
If soda lime is containing more than 4% sodium hydroxide then it is classified as Class 8, corrosive substances. UN number assigned to corrosive soda lime is UN 1907.
A black-and-white image showing a (monochrome) photograph being developed.
Before the arrival of digital cameras photographs has to have the touch of a professional if not we cannot see photos we clicked. The film need to be processed and later made into visible image.
Various chemicals are used in this process. Processing of films and light sensitive paper in photography is still widely used. Certain of these chemicals are considered as hazardous goods in transport regulations.
Some of the photographic chemicals are listed below
Since these chemicals falls under Clas 8 ( corrosive substances ) acids and alkalis keeping both in same shipping container is prohibited by IMDG Code. However special provisions of segregation in IMDG Code allows with certain restrictions such as package size 30 L or 30 KG packing groups II & III acids and alkalis to be shipped together in same container provided the shipment meets the requirement specified in related segregation provisions.
If you are shipping out photographic chemicals by sea going containers or carrying it with you by air you need to check with the carrier for applicable regulatory compliance or restrictions.
IMDG Code Compliance Centre 