500g of iron sulphate II or ferrous sulphate of analysis grade. It is the reducing agent for developing wet collodion. Extra-pure
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500g Iron Sulfate II Heptahydrate (ferrous sulfate) Analytical Grade
28,00€
500g of iron sulphate II or ferrous sulphate of analysis grade. It is the reducing agent for developing wet collodion. Extra-pure
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Categories: Wet Collodion, Chemicals, Developers, ChemicalsTags: ambrotype, ambrotype, collodion, collodion wet, developer, ferrotype, ferrotype, heptahydrate, negative developer, silver nitrate, silver, portrait, portrait, portrait, portrait, developer, developer, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative, negative
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240ml of collodion. All of our collodion formulas are supplied in wide-mouth borosilicate bottles to allow an easier pour and avoid the aging of the collodion as long as possible.
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This formula is cloudy when mixed. It will take at least a week to clear out. Although we recommend you to let it ripen and let the salts precipitate to the bottom of the bottle, it could be used before it’s completely clear. We also recommend you to buy a 250ml bottle to decant the solution.
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250ml Sandarac gum Varnish
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250ml Carbon Filtered Shellac varnish
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250ml of shellac varnish. Shellac was one of the most commonly used varnishes for wet plate in the 19th century. This is the classical Shellac formula but filtered with activated carbon to lighten its color. The result is less darkening and a more similar color to the unvarnished plate.
Glossy finish, but a little less than sandarac rubber.
The use of alcohol based varnishes is suitable for freshly made collodion. If your plate has been shot with an old collodion we recommend you to choose an acrylic varnish to prevent dissolving the image. You could also seal your plate with a glass dome and Canada Balsam.
Our varnishes are sold in borosilicate glass bottles, which are easy to clean and more resistant than regular glass to impact and temperature changes.
If you have trouble with this varnish dissolving your images, adding a few ml of distilled water to the varnish could solve this problem.
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480ml of Old Workhorse Collodion
0 out of 5
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480ml of collodion. All of our collodion formulas are supplied inside wide-mouth borosilicate bottles to allow an easier pour and avoid the aging of the collodion as long as possible.
The Old Workhorse formula contains 2 salts: Potassium iodide and cadmium bromide. It has a great tonal range, similar to the Quick Clear and a long shelf life, but It’s one stop slower than Lea #7.
It is cloudy when mixed and needs between a week and a month to rinse and for impurities to precipitate to the bottom of the bottle. Decanting is necessary: you may want to buy a 500ml bottle for this purpose. It can be used shady without too much trouble.
All our collodions are freshly mixed when we receive an order.
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