[rollei_list] Re: Developer 130

Very thank to you, Mr Knoppow. I want to find a popular fomular. In fact, I
don't want to buy composition chemistry from shop. The respective chemistry
is good to test and take more experience, have more results... I think so.

Besides, I want to buy some chemistry easy to find, cheap...

Mr. Knoppow, you please show me the Dektol and Selectol.

Best regards,
Xuan Truong


-----Original Message-----
From: rollei_list-bounce@xxxxxxxxxxxxx
[mailto:rollei_list-bounce@xxxxxxxxxxxxx] On Behalf Of Richard Knoppow
Sent: Friday, October 24, 2008 12:44 AM
To: rollei_list@xxxxxxxxxxxxx
Subject: [rollei_list] Re: Developer 130


----- Original Message ----- 
From: "X.TRUONG" <truongthx@xxxxxxx>
To: <rollei_list@xxxxxxxxxxxxx>
Sent: Thursday, October 23, 2008 9:05 AM
Subject: [rollei_list] Developer 130


> Dear everyone,
>
> I want to mix this developer fomular. Everyone know where 
> online shop is in
> US or Canada sell chemistry to mix it (glycin, metol, 
> potassium bromide...)?
> You could compare the print developed from this fomular 
> and Kodak (Polymax
> T, Selectol, Dektol), Ilford (Multigrade Dev, ...).
>
> Best regards,
> Xuan Truong
>
     I am pretty sure Photographer's Formulary sells glycin, 
and in fact, a kit for Agfa/Ansco 130. Essentially, 130 is 
similar to Kodak D=72/Dektol but with the addition of about 
11 grams of glycin per liter of stock and some additional 
potassium bromide. I have not used 130 for many years. Ansco 
sold it as a high capacity standard developer. Many seem to 
think it gives a more neutral (less green) image color than 
Dektol.
     Selectol was the packaged version of Kodak D-52, this 
is a somewhat less active developer than D-72/Dektol and was 
recommended for warm tone papers although it is not an 
inherently warm tone developer. Formulas for D-72, D-52, and 
Ansco/Agfa 130 are on the web and I have posted all three to 
both the Pure Silver list and to the Usenet group 
rec.photo.darkroom so a Google search should find them.
     Polymax-T and Multigrade are proprietary formulas. I 
think both are liquid concentrates. The formulas for liquid 
concentrates contain chemicals that can be dissolved in high 
concentration and others which keep everyihing in solution 
so they are somewhat difficult to compare with powder 
formulas.
     What you are asking, of course, is about results and I 
can't give those to you except for Dektol and Selectol and 
Agfa Neutol Plus, which I believe is a Phenidone and 
ascorbic acid developer.
     A note: There are dozens of developer formulas in the 
literature. Every maker of paper had its formulas. Most of 
these are variations of D-72/Dektol or D-52/Selectol 
although there were a few unique ones such as Agfa/Ansco 
130. Its fun to experiment but don't expect large 
differences except for some special purpose (very warm tone 
for instance) developers.
     The addition of potassium bromide to most fairly active 
developers will make them more warm toned and benzotriazole 
will make them more cold toned but, ultimately, the image 
color depends more on the nature of the emulsion than on the 
developer.
     If you need any of these formulas and can't find them 
easily on the web I will post them here.

--
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx 

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