[pure-silver] Re: ddx vs d76
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Fri, 11 Feb 2005 15:29:27 -0800
----- Original Message -----
From: "Ryuji Suzuki" <rs@xxxxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>; <dickburk@xxxxxxxxxxxxx>
Sent: Friday, February 11, 2005 2:06 PM
Subject: [pure-silver] Re: ddx vs d76
> From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
> Subject: [pure-silver] Re: ddx vs d76
> Date: Fri, 11 Feb 2005 14:03:46 -0800
>
>> DDX is a liquid concentrate version of Ilford
>> Microphen,
>> which is a Phenidone version of D-76. In comparison to
>> D-76
>> it yields slightly coarser grain and slightly higher film
>> speed.
>
> AFAIK, this is not the case. Ilfotec DD-X has lower pH
> than
> Microphen. D-76 is finer grained than Microphen, but I'm
> not sure
> about DD-X v. D-76. I didn't use them for quite some time.
> --
> Ryuji Suzuki
> "Keep a good head and always carry a light camera."
>
The MSDS for DDX at 1+4 gives the pH only for the
concentrate. That is 8.7. The ingredients of the current
MSDS show it contains Dimezone-S. The current MSDS for
Microphen shows the pH as 8.65.
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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