----- Original Message ----- From: "Dan Cstill Cyanine based. " : : I've been using TDKs for a long time, but they are not green or blue-green, : but appear colourless. So I wonder if TDK has changed their formulation : to pthalocyanine? : : -dan c. check that site link - they say what most of the TDK dyes are.. k
