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Moersch Selenium Toner 1 litre

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£53.27 inc. tax

£44.39 ex. tax
? Tax based on United Kingdom.

Moersch Selenium Toner 1 litre Summary

Concentrated selenium toner 
Dilute between 1+10 and 1+400

Apart from a distinctive increase in dmax, the deep shadows appear more differentiated. A higher contrast range and a more or less strong shift of the image tone towards cooler (and less green) tints make prints that have been toned in selenium look more brilliant. The shift in colour is dependent on the composition of the paper emulsion and on the developer. The greenish cast of the image silver, which most photographers do not appreciate, can be shifted to more pleasant hues in highly diluted working solutions. If you want the toner to reach the highlights as well - before a decrease in shadow density occurs - you have to choose for dilutions between 1+100 and 1+400. If you only want the shadows to intensify, you have to use stronger solutions of between 1+5 and 1+20 and tone for only very short times (20-60 seconds). Toning short and strong like that, you have to make sure that the process is stopped abruptly. Clearing agents are no stop baths for selenium toners! By a quick dilution of the toner, that is still present in emulsion and paper base, in running water and by gently wiping off both surfaces of the print with a piece of cotton wool, the toning process is sufficiently stopped.

All papers are accessible to selenium toning! Some tone quickly, but with others the effect of toning is only visible in direct comparison to an untoned print. In any case the print gains in brilliance and an increase of the shadow densities is visible and measurable. To keep things simple, note that warmtone paper tones quickly and with a clear change in image colour, whereas with coldtone paper the alteration is often barely visible. Even if you tone in a strong solution for a longer duration amazingly little is going on. If the print was toned only to increase archival protection, you should not be worried about this. How far toning really progressed is only visible if you bleach. If a red brown image remains, in which even the highlights show enough tonality, the goal is reached. If the highlights – maybe even down to the mid tones – appear worn out, toning was too short to give the print maximum protection from the environment. However, in the highlights as well, a small membrane will have been created around the silver grain. This is called "hidden selenium toning".
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