Ruby Ambrotypes, Route to better Selenium Toning 2016-02-07

[Mustafa Umut Sarac]

Mustafa Umut Sarac submitted a new resource:

(there was a url link here which no longer exists) - Ruby Ambrotypes, Route to better Selenium Toning

Hello there,

I found ruby bohemian ambrotype backing glasses have a very long history and that tint even used at text editors as a text font color today. I think toning with selenium is a problem that could be answered with studying ruby glass color. Paper discusses glass composition and finds manganese is the main colorant for these glasses. I dont know whether it would be possible to mimic that chemistry at toning but as I said before selenium could be used at same chroma to create better...

(there was a url link here which no longer exists)

 

[Mustafa Umut Sarac]

Part 2 PDF , Please find attachment.

 

[vpwphoto]

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