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Re: Edta

Thank you Niranjan. I’ve now established I have di sodium. Best wishes John John Brewer www.johnbrewerphotography.com workshops:equipment sales:chemistry sales Alternative Photography & Film

By John Brewer · #7817 ·

Re: Edta

If you add some baking soda, disodium will fizz, tetra won't. :Niranjan.

By Niranjan Patel · #7816 ·

Re: Edta

Great thanks Clay! John Brewer www.johnbrewerphotography.com workshops:equipment sales:chemistry sales Alternative Photography & Film Logbooks My Etsy Shop

By John Brewer · #7815 ·

Re: Edta

mix a little in some water and test the pH. > 7 it’s tetrasodium < 7 it’s disodium

By Clay Harmon · #7814 ·

Edta

Hi list members I have a container with EDTA in it however I don’t know if it’s di sodium or tetra sodium. Any test that I can do to establish which type it is? Thanks John John

By John Brewer · #7813 ·

Re: Zerochrome-SbQ

This is an excellent article. Thank you so much for doing all this research and, most importantly, sharing it. I’ve been worrying endlessly about dichromate—and stopped printing with it because I

By Coco · #7812 ·

Re: Zerochrome-SbQ

Thank you Kees and Simone. I have interest in these alternatives to gum having used the chiba system starting in 2010, and more recently DAS with casein and also vegetable proteins. This one is

By Pfriedrichsen · #7811 ·

Re: Zerochrome-SbQ

Thank you Jim. Actually as Kees said at first was not obvious, but a little dwelling into the details of Dr. Ichimura's work allowed to figure out a suitable workflow, open to further enhancement of

By Simone Simoncini · #7810 ·

Re: Zerochrome-SbQ

Thank you Francesco, that is the idea. Since these products are not specifically made for our purpose, there is always room for experimentation and for new ideas and workflows. Although there is a

By Simone Simoncini · #7809 ·

Re: Zerochrome-SbQ

Echoing what others have said. Excellent work and huge appreciation for sharing your findings and reinforcing the importance of sharing within this community and beyond. I look forward to consuming

By Francesco · #7808 ·

Re: Zerochrome-SbQ

Thanks for your appreciation!!

By Simone Simoncini · #7807 ·

Re: Zerochrome-SbQ

Looks pretty good, I’ll have to give that article a good reading. Muchas gracias, hope to do work a little on that soon Pablo, the other one

By Pablo, · #7806 ·

Re: Zerochrome-SbQ

Thanks to all for the kind reactions on our Zerochrome-SbQ text. I’m looking forward seeing real life test results from you all. Feel free to ask any questions that arise. @Pablo: Yes I did test

By Kees Brandenburg, · #7805 ·

Re: Zerochrome-SbQ

Impressive text, thanks for sharing your findings. Does you test pva with cfa? I'just readed about that possibility in a chiba and related ferric proccesses Facebook group. Thanks Pablo

By Pablo_JM · #7804 ·

Re: Zerochrome-SbQ

Great job. I had seen mention of SbQ in the past and it seemed over my head. Thanks for working out the details. Jim

By Jim Patterson, · #7803 ·

Re: Zerochrome-SbQ

Fascinating, thank you both for sharing your research. John Brewer www.johnbrewerphotography.com workshops:equipment sales:chemistry sales Alternative Photography & Film Logbooks My Etsy Shop

By John Brewer · #7802 ·

Re: Zerochrome-SbQ

Kees & Simone thanks or your devoted research & letting us in on the information, much appreciated by this community I am sure! Hope to see how it will move forward with more results, goo luck &

By Cedric Muscat · #7801 ·

Re: Zerochrome-SbQ

This is a great article thanks for sharing your knowledge! -- BrittonieFletcher.com

By brittonie, · #7800 ·

Zerochrome-SbQ

Hi all, A few months ago Simone Simoncini and I got in contact and we started to exchange our findings and research for alternative, say less toxic, photo initiators. In the years before Simone

By Kees Brandenburg, · #7799 ·

Re: QCDN

My experience mirrored that of Martin. I normally edit my photos on a PC. All my photos and editing software are there. My first purchase and attempts at QCDN were PC. I was never successful.

By dtw542 · #7798 ·

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