Last Updated: Sep 22, 2016 Views: 30
Glass on Metal: the Enamelists Magazine offers a "Ask the Experts
Questions About Enameling On Metal" service. I hope they will be able to advise you regarding the effect of oxygen on high fire enamels containing cadmium.
Their website also offers an index to articles that were published in the magazine (search "cadmium"); enamel links; online publications http://glass-on-metal.com/pastart/index.htm and more.
Have you asked your enamel supplier about cadmium? Thompson Enamels, for example, may be willing to answer your questions. The website also lists suppliers: http://web.archive.org/web/20130705022233/http://www.glass-on-metal.com/suppliers/index.htm
I am attaching a list of references that deal with glass colorants. For example, Weyl may give you some clues about how cadmium in glass.
If you wish to obtain copies of any of the items on our list, please contact your local library. The Rakow Research Library is a member of the Online Computer Library Center (OCLC); your library can contact us through OCLC or they may mail an Interlibrary Loan form to us. You may request up to five items at a time. We send photocopies of articles and microfiche copies of our books (if they have been microfilmed) through Interlibrary Loan for four weeks use. Contact email@example.com for further information. (We subscribe to Glass on Metal)
I skimmed through some of our enameling books without finding an answer to your query. If you are not able to find an answer via the enameling site, I will look further.