now I am getting closer.
>I'm not a chemist, just an electrical engineer. Also, you might consider
>that just because something doesn't contain dichromates it isn't
>necessarilly safer.
You have given me some answers. It is true, that a japanise company was
not particularly happy to tell me, Galina Manikova, about their secrets.
The cold war is over, but I am always looked upon as a russian spy anyway.
They assured me, that that emulsion is safe.
What are the possible dangers ?
What can it be possibly based upon, if not dichromates ?
Galina.