[pure-silver] Re: Bromophen
- From: Richard Knoppow <dickburk@xxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Sun, 20 Nov 2011 06:01:38 -0800 (GMT-08:00)
-----Original Message-----
>From: Photovergne <wilbert@xxxxxxxxxxxxxxxxx>
>Sent: Nov 20, 2011 3:58 AM
>To: pure-silver@xxxxxxxxxxxxx
>Subject: [pure-silver] Re: Bromophen
>
>On 11/17/2011 02:02 PM, shannon Stoney wrote:
>> I tried Ilford's Bromophen developer for paper yesterday, and I love it. I
>> mixed the two powders into the water in the wrong order, but it didn't seem
>> to matter.
>>
>> I am using it with their multigrade warm-tone glossy paper, and it looks
>> really good. Slightly warmer than the regular developer that comes already
>> diluted. But also it seems to bring out details in the shadow areas better.
>>
>> Just wonder if anybody else has tried it.
>>
>> --shannon============================================================================================================To
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>>
>Bromophen is the Ilford equivalent of Kodak Dektol. Same use, but a lot
>cheaper.
Bromophen and Dektol are both general purpose "universal" developers but
have somewhat different performance with many papers. Dektol is a
metol-hydroquinone developer where Bromophen uses Phenidone and hydroquinone.
There are probably other differences. There are published formulas similar, but
not identical to each. Dektol is notorious for producing a somewhat olive tone
on many warm tone papers, it also leaves silver deposits on trays. Bromophen
tends to be more neutral in tone and is also cleaner working. Dektol may have
somewhat better performance for some papers if diluted less than instructed,
1:1 rather than 1:2. That also gives it longer tray life.
Virtually every paper manufacturer had a formula nearly identical to Kodak
D-72, the Dektol-type developer. I say type because Dektol contains some
proprietary (or at least once patented) constituents. That's why it can be made
up as a single powder rather than having the Metol (Kodak calls it Elon) in a
separate container from the sulfite.
--
Richard Knoppow
dickburk@xxxxxxxxxxxxx
Los Angeles, CA, USA
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