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Silver extraction from waste x-ray/hypo/fixer solution
- https://www.finishing.com/155/59.shtml#:~:text=The%20cleanest%2C%20least%20complicated%20method%20of%20extracting%20silver,made%20units%20are%20available%20in%20many%20price%20ranges.
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Method for the recovery of silver from waste …
- https://www.osti.gov/doepatents/biblio/5364206
- Abstract. The method of the present invention is directed to the recovery of silver from spent photographic fixer solutions and for providing an effluent essentially silver-free that is suitable for discharge into commercial sewage systems. The present method involves the steps of introducing the spent photographic fixer solution into an alkaline hypochlorite solution.
Recovering Silver from Photographic Materials
- https://www.911metallurgist.com/blog/recovering-silver-from-photographic-materials
- Photographic silver recovery procedure. Fill a five-gallon plastic bucket with bleach. Dip the film into the bleach and move it around. When the film is transparent, all the silver has been removed. When the bleach has taken all the silver it can hold, it will no longer make the film transparent. Time for a new batch of bleach.
Silver extraction from exhausted film fixer - Analogue …
- http://analoguephotolab.com/silver-extraction-from-exhausted-film-fixer/
- Silver extraction from exhausted film fixer 1. Make sure your fixer’s pH is between 5.5 and 6.5 exhausted fixer bath If you check carefully …
Silver recovery from used fixer | Photrio.com …
- https://www.photrio.com/forum/threads/silver-recovery-from-used-fixer.181763/
- shake well to get a ‘good mix’ then let it settle again (it may take a day or more or until I have more fixer for ‘disposal’ After numerous ‘sessions’ of add used fix and used but not dead developer and the shake and allow to settle I have what is known as “Black Silver” (the purest form of silver you can ‘get/find’ after couple of good washings with warm water and a …
"Silver extraction from photographic fixer"
- https://www.finishing.com/39/10.shtml
- You will get ca. 90 to 98 per cent pure silver on cathode. The longer you continue this, the blacker and more dirty silver you get. Normally the end-point is around 100 mg/liter of silver, after that you will get silver sulfide sludge. Bleach-fixing solutions need higher voltage and more than 500 mg/liter silver will probably stay in the solution.
Silver Recovery from Fixer Question | Photo.net Photography Forums
- https://www.photo.net/discuss/threads/silver-recovery-from-fixer-question.95006/
- The silver deposits on the wool. One is left with a silver sludge. Kodak makes/used to make? a 5 gallon drum; packed with steel wool. You let the old fixer stay in the drum; say overnight; then the fixer was drained out.. This drum was then returned to Kodak or recyclers; who sent you a check for the assay of the silver removed from the sludge.
Recovering Silver from Hypo fixer solution of Medical X-ray
- https://goldrefiningforum.com/threads/recovering-silver-from-hypo-fixer-solution-of-medical-x-ray.20362/
- 1) First of all to add NaOH (lye) to drop the silver. Simply putting Naoh powder to the bucket of fixer solution (I have Medical x-ray like chest, hand, etc) and it should precipitate a powder. But Adding NaOH will give black mud from which silver is hard to be recovered.
Recovering silver from photographic fixer
- https://www.finishing.com/71/96.shtml
- "Recovering sSilver from Photographic Fixer" "Recovering Silver from Photographic Materials" by Eastman Kodak Co. from Abe Books or. Affiliate Link (commissions from your purchases make finishing.com possible) 2001. I want to know about the recovery of silver from waste photographic fixer and developer. How can we make Silver obtained in ...
How do I remove silver from fixer! | Gold Refining & Metal …
- https://goldrefiningforum.com/threads/how-do-i-remove-silver-from-fixer.10763/
- Flux the material when melted, then pour to a cone mold, where the slag is easily separated from the silver. Re-melt and pour an anode. You'll experience discoloration of the borax used to flux---evidence of contaminants absorbed, and kept out of the silver cell. You also eliminate any possible chemical contamination.
How to Recover Silver from Waste Photographic Solutions
- https://www.911metallurgist.com/silver-recovery-waste-photographic/
- A commercial custom photographic processor using an electrolytic cell to recover silver from a continuously cycling color film fixing bath recovered approximately 100 ounces of silver during a 3-week period while processing approximately 18,000 rolls …
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