Re: Idle Curiosity [was RE: NA2 with AFO
Yes, it's shorthand for the sodium chloroplatinate used (usually) as a contrasting agent in pt/pd printing. On 11/15/06, Judy Seigel <firstname.lastname@example.org> wrote:
On Sun, 12 Nov 2006, Jeremy Moore wrote: > "Na2" is Sodium Chloroplatinate and "dichromate" is ammonium or > potassium dichromate--2 completely different chemicals. > What piqued my curiosity, Jeremy, was that to the layperson (and even a chem grad I consulted) Na2 means 2 molecules sodium, or like that. Is that some kind of shorthand used by platinum printers? J.