Re: Alkaline fixers and lumen prints


BOB KISS
 

I have made uranotypes since 2012 and, framed under glass, you would need a scintillation counter to read either the small amounts of Beta or Gamma coming off a print.  They are too weak for a Geiger counter. 

 

-----Original Message-----
From: altphotolist@groups.io [mailto:altphotolist@groups.io] On Behalf Of Patrick Huber,
Sent: Thursday, April 01, 2021 4:48 PM
To: altphotolist@groups.io
Subject: Re: [altphotolist] Alkaline fixers and lumen prints

 

Well, a Geiger counter would do :)

 

Patrick

 

On 4/1/21 4:39 PM, Anne Eder wrote:

> LOL Clay

>

>> On Apr 1, 2021, at 4:38 PM, Clay Harmon <w.clay.harmon@...> wrote:

>> 

>> no one will ever be able to keep straight the difference between an uranotype

>> and a urinotype after this thread ends.

>> 

>> Clay

>> 

>>> On 2021-04-01, at 16:32 :36, Anne Eder <chansonette@...

>>> <mailto:chansonette@...>> wrote:

>>> 

>>> Brittonie,

>>> 

>>> No I brought that up in our group at the time and we had that rollicking

>>> discussion about what we needed to eat to make our urine a better fixer

>>> remember? LOL But I originally heard it from someone else and I did try it.

>>> Made my darkroom smell and resulted in very red tones. It may partially

>>> stabilize but it’s not the answer. Still testing every lead I find.

>>> 

>>> Xo

>>> Anne

>>> 

>>>> On Apr 1, 2021, at 4:28 PM, brittonie, <brittonie@...

>>>> <mailto:brittonie@...>> wrote:

>>>> 

>>>> 

>>>> Anne,

>>>> 

>>>>  tell me more about the nanocapturing tea- that sounds interesting

>>>> 

>>>> Also r u talking about me saying that about urine last summer?😂

>>>> 

>>>> I also tell the eco minded to stick their prints for final wash in the top

>>>> cistern of their toilet- that waters gonna flush sometime

>>>> 😂😂😂

>>>> 

>>>> Xb

>>>> 

>>>> On Thu, 1 Apr 2021 at 21:25, Anne Eder <chansonette@...

>>>> <mailto:chansonette@...>> wrote:

>>>> 

>>>>     Christina,

>>>> 

>>>>     I’ve tested a ton of things in my quest to fix lumen prints and I have

>>>>     found “0” that fix it without altering the colors. I have tried

>>>>     everything from traditional fix, to chromoskedasic stabilizer, to salt,

>>>>     to urine (yes, my friends in the UK insist you can “fix them with wee!”)

>>>>     Every single one of these changes the lumen colors. I am currently

>>>>     testing green tea, which I have found can encapsulate both silver and

>>>>     gold as nano particles. I’ll let know you how that goes. If anyone can

>>>>     solve this it is you, so I’m going to be following this closely!!

>>>> 

>>>>     All best,

>>>>     Anne Eder

>>>>     www.anneeder.com <http://www.anneeder.com/>

>>>> 

>>>>>     On Apr 1, 2021, at 4:16 PM, Kim Du Boise <krd@...

>>>>>     <mailto:krd@...>> wrote:

>>>>> 

>>>>>     Oooooh!  Chris,

>>>>> 

>>>>>     I just love this and the colors!   The colors could well be used to

>>>>>     match different subjects that may lend to them!

>>>>> 

>>>>>     Gotta love this list!

>>>>>     Kim

>>>>> 

>>>>> 

>>>>>     Kim R. Du Boise, P. A. - AIC

>>>>>     Senior Conservator

>>>>>     PhotoArts Imaging Professionals, LLC

>>>>>     123 Buchanan Road

>>>>>     <https://www.google.com/maps/search/123+Buchanan+Road+Hattiesburg,+MS++39401-9545?entry=gmail&source=g>

>>>>>     Hattiesburg,

>>>>>     MS<https://www.google.com/maps/search/123+Buchanan+Road+Hattiesburg,+MS++39401-9545?entry=gmail&source=g>

>>>>>     39401-9545

>>>>>     <https://www.google.com/maps/search/123+Buchanan+Road+Hattiesburg,+MS++39401-9545?entry=gmail&source=g>

>>>>> 

>>>>>     Local:  601-582-3686

>>>>>     FAX:601-544-1920

>>>>>     krd@... <mailto:krd@...>

>>>>> 

>>>>>>     On Apr 1, 2021, at 10:41 AM, Christina Z. Anderson

>>>>>>     <christinazanderson@... <mailto:christinazanderson@...>>

>>>>>>     wrote:

>>>>>> 

>>>>>>     Alberto,

>>>>>>     I prefer fixing and have not tried that. Look at all the colors from

>>>>>>     all papers fixed below. I like the fact that they are stable. When I

>>>>>>     teach it I recommend to scan the lumen before fixing and print it

>>>>>>     digitally if desired but for some reason I have always been purist

>>>>>>     about it and fixed. But potassium thiocyanate, wouldn’t that fix it as

>>>>>>     well? That might be a choice I can try in comparison. Do you know the

>>>>>>     acidity of a solution and what dilution?

>>>>>>     Chris

>>>>>>     <IMG_0106.jpeg>

>>>>>> 

>>>>>>>     On Apr 1, 2021, at 9:36 AM, Alberto Novo <alt.list@...

>>>>>>>     <mailto:alt.list@...>> wrote:

>>>>>>> 

>>>>>>>     Chris,

>>>>>>>     have you ever tried to stabilize - not to fix - the print with a

>>>>>>>     saturated solution of sodium chloride "Talbot-like" or with a

>>>>>>>     solution of potassium thiocyanate like in instant photos booths?

>>>>>>>     Just a thought ... I don't have my lab anymore, so I can't give it a

>>>>>>>     try by myself before giving suggestions.

>>>>>>> 

>>>>>>>     Alberto

>>>>>>> 

>>>>>>>>     Good morning!

>>>>>>>> 

>>>>>>>>     (I am SO thrilled we can post pix).

>>>>>>>> 

>>>>>>>>     I’ve been running a lot of lumen print tests to quantify some

>>>>>>>>     things, one of which is the use of an alkaline vs acid fixer to

>>>>>>>>     reduce fading of the colors.

>>>>>>>> 

>>>>>>>>     I’ve done two tests now with an 8x10 Stouffers, exposed outside all

>>>>>>>>     day 9-6 full sun, print then cut in half, one fixed in Sprint (6 pH)

>>>>>>>>     and one in Formulary TF-4 (8 pH). The first time I did this I was

>>>>>>>>     very surprised to see a slight difference—a bit lighter color—in the

>>>>>>>>     alkaline fixed half.

>>>>>>>> 

>>>>>>>>     So I did the test again and sure enough, same thing. Left is

>>>>>>>>     alkaline, right is acid.

>>>>>>>> 

>>>>>>>>     I’m going to do a couple more of these on different papers but if it

>>>>>>>>     were based on these two tests alone I can’t support the theory of an

>>>>>>>>     alkaline fix reducing fading of colors. (Note: prints are still wet

>>>>>>>>     here and have not dried down to full darkness but the other test

>>>>>>>>     dried down was exactly the same, also different paper).

>>>>>>>> 

>>>>>>>>     Has anyone else done this too? Does anyone have acid and alkaline

>>>>>>>>     fixes and can do a side by side? I’m going to use citric and sodium

>>>>>>>>     carbonate to “prime” the two fixes and do it again, too..both of the

>>>>>>>>     fixers I tested are ammonium thiosulfate with added ingredients.

>>>>>>>> 

>>>>>>>>     I will measure densities with a densitometer to make sure it’s not

>>>>>>>>     just a color shift but an actual density dif, too.

>>>>>>>> 

>>>>>>>>     Chris

>>>>>>>> 

>>>>>>>> 

>>>>>>>> 

>>>>>>>> 

>>>>>>>> 

>>>>>>>> 

>>>>>>>> 

>>>>>>>> 

>>>>>>>> 

>>>>>>> 

>>>>>>> 

>>>>>>> 

>>>>>>> 

>>>>>>> 

>>>>>> 

>>>>> 

>>>> 

>>>> 

>>>> --

>>>> *

>>>> *

>>>> *

>>>> *

>>>> *

>>>> *

>>>> BrittonieFletcher.com <http://BrittonieFletcher.com>

>> 

>

 

 

 

 

Join altphotolist@groups.io to automatically receive all group messages.