Re: Idle Curiosity [was RE: NA2 with AFO
Judy, Na2 ia a terrible abbreviation of the chemical formula Na2PtCL6, it is not even an essential part of the contrast control, as hexachloroplatinic acid H2PtCL6 will work and perhaps other salts as we. It is the PtCL6 that matters. I am sure future generations of platinum printers will spend countless hours researching this mysterious substance used in the beginning of the 21 century, Na2. It is not any more trouble to type Na2PtCL6 then Na2, so why not identify the substance correctly. Marek
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