Re: [Frameworks] chemical disposal with septic system

How about that coffee based chem discuseed here before? http://content.photojojo.com/tutorials/coffee-caffenol-film-developing/ https://www.youtube.com/watch?v=zYjOqcbBEco '' I've just moved into my grandparents old house in rural New Brunswick, and am planning on converting the basement bathroom

Re: [Frameworks] chemical disposal with septic system

With the dichromate bleach, I mix it with the exhausted developer prior to any disposal; this converts it from the hexavalent chromium(VI) ion, which is very water soluble and highly toxic, to the trivalent chromium(III) ion which is insoluble and while toxic, is much less harmful. The

Re: [Frameworks] chemical disposal with septic system

> Sounds like the most problematic chemicals are in bleach, fix, and hypoclear. No, no, hypo clear is fine. It's just sulfite. It's the hypo itself that picks up the silver. --scott ___ FrameWorks mailing list FrameWorks@jonasmekasfilms.com

Re: [Frameworks] chemical disposal with septic system

Re: silver removal, it is my understanding that one can use a ball of steel wool to replace the silver in the solution if you do not care about recovering the silver easily. If you throw steel wool in a bucket of spent fixer the iron from the steel wool will swap the silver in solution...the

Re: [Frameworks] chemical disposal with septic system

Sarah, There is no magnet to attract silver. For small batch processing precipitation is uncomplicated and inexpensive. Sherman Sent from my iPhone Sherman George 858-229-4368 On Aug 30, 2016, at 18:00, Sarah Bliss > wrote: Thanks

Re: [Frameworks] chemical disposal with septic system

Update to my earlier note: Have just reviewed notes I made at Phil Hoffman’s Film Farm this summer, where Ricardo Leite gave an organic processing workshop, and wanted to share here. Ricardo has developed recipes to replace bleach with hugely less toxic alternatives for B reversal. See

Re: [Frameworks] chemical disposal with septic system

Thanks Amanda, Scott, Pip, Sherman and David! I very much appreciate all the info. I appreciate the links to Kodak’s info, Sherman. Unfortunately, I’m not able to access further links from that page. Seems I need program membership, but I don’t find info on what that is. Great to learn

Re: [Frameworks] chemical disposal with septic system

Hypo clear is pretty harmless. I wouldn't suggest making a martini with it but it's really just sodium sulfite, the same stuff they put on the salad bars to keep the lettuce from wilting. Kodak adds some bisulfate into it to keep the pH down in acidic water, but that's pretty harmless too. Used

Re: [Frameworks] chemical disposal with septic system

A week isn't a long period of time, Pip, although it is enough to make a copy. D Le 29 août 2016 à 03:09, Pip Chodorov a écrit : > There were posts about this on FrameWorks in July 2012, from David Kidman, > Scott Dorsey and others. > Onions seem to work as fixer but maybe not effective after a

Re: [Frameworks] chemical disposal with septic system

There were posts about this on FrameWorks in July 2012, from David Kidman, Scott Dorsey and others. Onions seem to work as fixer but maybe not effective after a long period of time. Do some tests! Pip At 20:58 -0300 28/08/16, Amanda Christie wrote: Hey Pip! Onions as a fixer? What's this?

Re: [Frameworks] chemical disposal with septic system

Hey Pip! Onions as a fixer? What's this? (perked ears here) On 2016-08-28, at 8:37 PM, Pip Chodorov wrote: > Hi Amanda, > How about onions? > Pip > ___ FrameWorks mailing list FrameWorks@jonasmekasfilms.com

Re: [Frameworks] chemical disposal with septic system

Hi Amanda, How about onions? Pip At 18:44 -0300 28/08/16, Amanda Christie wrote: My main question then is for fix and hypo-clear... Are there any recipes for eco-friendly fix or hypo-clear?... although I supposed... the problem may not be so much the chemical itself, as the silver but

Re: [Frameworks] chemical disposal with septic system

Kodak used to have a nifty little booklet on the subject. Basically, if you are running B and you're using typical developers and nothing wierd the thing you have to worry about is silver-laden hypo, which you probably should be getting silver recovery on anyway if you're doing any quantity.

Re: [Frameworks] chemical disposal with septic system

Sarah, Kodak has guidelines that can get you started. Go to:http://www.kodak.com/global/en/service/faqs/faq5026.shtml Also there is a paper on various methods of removing silver from spent chemical.

[Frameworks] chemical disposal with septic system

Hi All, I’m a member of the AgX Collective in Boston. I’m a newbie to analog filmmaking, thoroughly hooked after a week at Phil Hoffman’s Film Farm this summer. I live in rural Massachusetts, and plan to build a darkroom this fall in a home studio. I’m concerned about the impact on health