From: KEMAL DELIC (deli@swipnet.se)
Date: 12/29/00-01:29:06 PM Z
Thank you very much.
I shall make a new tissue with 6 g of carbon black powder
per 1000 ml of gelatine solution.
Happy hollydays to all.
Kemal
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-------- Original Message ----- From: Sandy King <sanking@hubcap.clemson.edu> To: <alt-photo-process-l@sask.usask.ca> Sent: Thursday, December 28, 2000 10:44 PM Subject: Re: Carbon blacks
> First, your 3.5% dichromate solution for a negative with a DR of 1.9 > sounds about right to me so I don't have any reason to suspect the problem > lies there. > > Although I am not familiar with your materials it would appear that you are > using far too little pigment. I typically use between 40-60ml of Sumi Ink > per 1000ml of solution, and often add other pigmets for different tones. As > a first step to solve your problem I sugest you double or even quadruple > the quantity of pigment per 1000ml. > > There is no reason to settle for weak blacks with carbon if you want strong > ones. Carbon is capable of Dmax values as high as those of silver-gelatin > prints. > > Sandy King > > > > >Dear list friends, > > > >I have been experimenting some time with carbon > >printing and I am easy geting the prints without any > >major flaws. My pigment is 10 ml of Rowney > >Kandahar black indian drawing ink per liter of 10% > >gelatin solution. I did also some tests with 2 g carbon > >black powder per liter of solution. My negatives have > >a density range of 1.9 and the sensitizing solution is > >3.5% potassium dichromate. > > > >My question to the carbon printers is: > > > >How do you get good blacks?!! > > > >My silver prints have much better blacks then carbon > >prints made on the same fixed out paper. > >Should I just take it or leave it? > > > >Thanks, > > > >Kemal, Sweden > > > >
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