[alt-photo] Re: assitance needed Pyrocat-HD

Ken Sinclair photo1 at telusplanet.net
Tue Nov 16 03:13:35 GMT 2010


Don...

Many thanks.

I had forgotten about photo.net...

Ken



On 15-Nov-10, at 7:42 PM, Don Sweet wrote:

> Hi Ken
>
> I don't know, but these chaps do
>
> http://photo.net/large-format-photography-forum/0037VE
>
> Don Sweet
>
> ----- Original Message -----
> From: "Ken Sinclair" <photo1 at telusplanet.net>
> To: "The alternative photographic processes mailing list"
> <alt-photo-process-list at lists.altphotolist.org>
> Sent: Tuesday, November 16, 2010 3:13 PM
> Subject: [alt-photo] assitance needed Pyrocat-HD
>
>
>> It has been too many years for this aging brain to remember much
>> about college chemistry
>> but here goes...
>>
>> I just ran out of enough  Sodium metabisulphite for making up a batch
>> of Pyrocat-HD.
>>
>> I have more than an adequate supply of Sodium bisulphite...
>> therefor,  my question is....
>>
>> How much Sodium bisulphite will be required to provide the
>> equivalence of 2 g of
>> Sodium metabisulphite for making up 200 ml of Pyrocat-HD solution A
>>
>> Any and all chemical assistance on getting this made up this evening
>> will be more than appreciated
>>
>>
>> Ken
>>
>> Quando omni flunkus moritati (R. Green)
>>
>> _______________________________________________
>> Alt-photo-process-list | http://altphotolist.org/listinfo
>
> _______________________________________________
> Alt-photo-process-list | http://altphotolist.org/listinfo

Quando omni flunkus moritati (R. Green)




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