Old Work-Horse for positive process
1°- Collodion solution (part A)
pour 220 ml plain collodion into a 500 ml beaker
slowly, add 140 ml ether (360 ml, 60% collodion, 40% ether)
cap and shake
2°- Iodizing solution (part B)
pour 4 ml distilled water into a small beaker
add 3 grams of Cadmium Bromide until dissolved.
(After complete dissolution!) add 4 grams of Ammonium iodide, stir.
Add 140 ml alcohol in a 200 ml beaker to the #2 iodizing solution and stir
To make your working solution
mix part A and B in the ratio of 1:2,3/1:2,5, or follow this table for dummies:
Part A, collodion solution (ml) | Part B, Iodizing solution (ml) |
35 | 15 |
70 | 30 |
105 | 45 |
140 | 60 |
210 | 90 |
350 | 150 |
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Old Work-Horse for positive process 1°- Collodion solution (part A) pour 220 ml plain collodion into a 500 ml beaker slowly, add 140 ml ether
