Silver in photography
The biggest sources of silver are photographic films and papers. Once processed, silver is retained in the film and paper or transferred to the photographic processing solutions. You can collect the silver in photography by using silver recovery equipment or send the solutions off site for recovery.
You can also have a refiner recover silver from some unprocessed, as well as processed, photographic films and papers. The amount of silver recovered depends on the type of film or paper, the exposure, and the type of processing used.
Understanding the amount of Silver in photography available from photographic films and papers can help you determine if it is worthwhile for your facility to recover that silver. Knowing this will assist you in selecting the proper silver recovery equipment and ensure that you maximize the return from your refiner.
Silver is found in photographic films and papers it is the element responsible for producing the photographic image. You can recover silver from unprocessed films and papers, as well as from processed black and white films and papers.
Silver content in photographic films and papers may vary from emulsion to emulsion. These manufacturing variations are designed to ensure consistent product quality in contrast and speed. Therefore, the amount of silver available for recovery in photographic films and papers may slightly increase or decrease.
Similar products made by different manufacturers may vary in the amount of silver they contain. So to know exactly how much silver in any photographic film or paper you need to contact the manufactured company.
In processing color photographic films, two potential sources of silver are often overlooked. Some color films are pre spliced to allow for long processing lengths. A piece of film is cut off and an additional piece of film is located underneath the splicing tape. Both pieces of film contain silver.
Silver in photography can be recovered by soaking the film scraps in a fixer bath and then desilvering the fixer using your silver recovery equipment.
No comments:
Post a Comment