Re: Developer for Van Dyck Brown Process

Just slightly acidic is ok. A pH of 6.0 - 6.5 should work fine.

Sandy

>Sandy,
>
>would you have an idea of the PH one should look for?
>
>Thanks
>Yves
>
>
>----- Original Message -----
>From: "Sandy King" <sanking@CLEMSON.EDU>
>To: <alt-photo-process-l@sask.usask.ca>
>Sent: Thursday, February 23, 2006 2:35 PM
>Subject: Re: Developer for Van Dyck Brown Process
>
>
>> Yes, plain vinegar would work nicely. As would other mild acids.
>>
>> Sandy
>>
>>
>>
>>
>>
>>
>> >Sandy,
>> >
>> >just out of curiosity, if the idea is to get the water a tiny bit acidic,
>> >could plain vinegar do the job or anything else known to be acidic
>available
>> >at the grocery store or pharmacy?
>> >
>> >Regards
>> >Yves
>> >
>> >
>> >----- Original Message -----
>> >From: "Sandy King" <sanking@CLEMSON.EDU>
>> >To: <alt-photo-process-l@sask.usask.ca>
>> >Sent: Thursday, February 23, 2006 1:57 PM
>> >Subject: Re: Developer for Van Dyck Brown Process
>> >
>> >
>> >> Use water, and to prevent stain add just a bit of citric acid to the
>> >> water to make sure it is acidic.
>> >>
>> >> I have no idea why anyone would recommend borax as the developer for
>> >> VDD. Borax would make the developing solution alkaline, thus greatly
>> >> increasing the possibility of staining.
>> >>
>> >> Perhaps I am missing something, but on the fact of it this just does
>> >> not make sense to me.
>> >>
>> >> Sandy
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> >All
>> >> >
>> >> >Which developer do you use for the Van Dyck Brown process?
>> >> >
>> >> >I know that Arnold Gassan's book (Handbook On Contemporary
>> >> >Photography-4th edition) said to use borax but other recent
>> >> >references say to use water.
>> >> >
>> >> >Is there a reason for borax versus water?
>> >> >
>> >> >Thanks
>> >> >
>> >> >Bruce
>> >>
Received on Thu Feb 23 14:54:14 2006