developer formula wanted: Weston's Amidol & PMKgreenspun.com : LUSENET : B&W Photo - Film & Processing : One Thread
does anyone have a formula for 1. edward westons amidol developer 2.pmk developer they are both paper developers. if you have a web sight with formulas that would be helpful also. thanks
-- jerry (email@example.com), February 03, 1998
Ed Weston's Amidol Deveoloper is as follows: 1140ml water, 37.5 grams of Sodium sulfite, 10.5 grams of Amidol, 7ml of 10% Potassium bromide and an optional ingredient of 60ml of 10% Benzotriazole. PMK is a film developer and not a paper developer so I don't know if you need the formula for that.
-- Jeff White (firstname.lastname@example.org), February 06, 1998.
Get Steve Anchell's indespensible book, The Darkroom Cookbook.
-- Michael D Fraser (email@example.com), February 26, 1998.
Jerry the following is the formularys Weston amidol formula:
Distilled water 600ml Sodium sulfite 29g Potassium bromide 10% solution 60ml citric acid 5%solution 50ml
To make the 10% solutions: 10g potassium bromide to 100ml of water To make 5% solution: 5g of citric acid to 100ml of water
Add 9g of amidol when ready to use.
-- Richard (Rpina0311@aol.com), December 14, 2002.