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Labotech2000 srl | Cusago (MI) Italy 📞+39.02.903.94213

Laboldtech is the site n. 1 web site in Italy for selection, supply and sale of chemical reagents and professional tools specific for ancient photographic techniques.

Labotech2000 srl | Cusago (MI) Italy
📞+39.02 9039 4213

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Kit41 - Gold Toning for Van Dyke and Kallitype prints - Ready for use

SKU Kit41 Categories ,

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SUBJECT TO MARKET TRENDS OF METALS

39,57 + Vat 48,28

Gold Toning for Van Dyke and Kallitype prints-Kit41

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Stampa Van Dyke – Viraggio all’Oro KIT41

KIT41 – Gold toning for Van Dyke and Kallitype prints – Ready for use
A good formula to gold tone a Van Dyke print is the Clerc’s formula.
With this recipe you can obtain a tone range that goes from dark red to neutral grey. In some case you could obtain both tones at the same time.

The formula is as follows:
Gold trichloride (so. 1%) 50ml
Thiourea (sol. 1%) 50ml
Tartaric acid 0,5gr
Sodium chloride 20gr
Distilled water 1000ml

Preparation of the solution:
Add the thiourea solution to the gold trichloride solution until the precipitate dissolves.
Dissolve the tartaric acid in 600ml of distilled water. Add the gold-thiourea solution to the tartaric acid solution and stir well. At the end add the sodium chloride, bring to 1000ml and shake until the solution will turn transparent. Store in a dark bottle. This preparation won’t expire before 1 year time.
To tone a 8×10” print you need about 40-50ml of toner. To minimize the necessary amount we suggest you use a tray with a perfectly flat bottom. Dispose of the toner after you use it, it won’t work a second time.Toning must be done right after the development and a quick rinse; afterwords proceed with the fixer as usual, then wash throughly for at least 30-40 minutes.
Due the difficulties in preparing this solution, we supply it ready in quantity of 1000ml. Those, who would like to prepare it by themselves, can buy the required chemicals on this website.

Chemical products used in this procedure are to be considered toxic and non-suitable for human or animal consumption. As a user you must be aware of the risks and take care to protect the environment. Never dispose of chemical waste in a domestic sewage or with common garbage. For a correct disposal please see your local disposal laws.


Additional information

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SUBJECT TO MARKET TRENDS OF METALS

No one can do a good job without proper tools, and the chemicals can be defined, the tools of the photographer. This is the weak point of many operators. They work with economic and inferior chemicals, and many do not know the true composition; not to mention unwanted interferences that can be created between them.
“Chemicals are the tools of art photographers. Through a deep knowledge of photo chemistry the artist can reach and master the art photography level.”

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Viale Europa, 72/D11

20090 Cusago MI

ITALY

ph: +39.02.903.94213

info @ laboldtech . com