[pure-silver] Re: tank and tray cleaner

by the way, does anybody know what the notation 1N means on a chemical  
label?

On Sep 21, 2004, at 8:31 AM, Richard Knoppow wrote:

>
>
> -----Original Message-----
> From: Matthew Gaylen <mgaylen@xxxxxxx>
> Sent: Sep 21, 2004 6:07 AM
> To: pure-silver@xxxxxxxxxxxxx
> Subject: [pure-silver] Re: tank and tray cleaner
>
> Turns out you can purchase sulphuric acid from some folks without a
> hazmat charge where some folks must charge an extra $20. And some folks
> require a DEA registration. I went so far as to leave a message with
> the field office in Chicago--but they never called me back.
>
> Anyway, I have about 3 lifetime supplies of tank and tray cleaner
> consisting of 8 grams potassium dichromate mixed with 96 ml sulphuric
> acid and 900 ml distilled water.
>
> Kills developer tray stains on contact.
>
> Contact me off list if you want a liter.
>
> Best,
>
> joe suburbs the post modern hyper rural sub urban anti hero and
> vertiginous surrealist
>
>    Only 8 grams of dichromate?
>
>
>
> Richard Knoppow
> dickburk@xxxxxxxxxxxxx
> Los Angeles, CA, USA
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