Cadmium Red Light Alternative

The variations are solid solutions of selenium sulfide in cadmium sulfide.

Cadmium red light alternative.

Identifying suitable alternatives for the cadmium yellows has been a somewhat more difficult task. The occurrences of bleaching or darkening in the beginnings of its use were due to impurities. However swap the alizarin to a cadmium red which has a yellow tinge to it and your purple won t be as clean and bright below right. Cadmium red is cadmium sulfoselenide cd s se.

There s a new cadmium free paint alternative for artists. Cadmium has been used as a weathering light and heat stabilizer primarily in pvc plastic formulations. The cadmium free pigment was developed after three years of research and development. Alternatives for cd stabilizers include barium zinc calcium zinc antimony organotin and organic compound stabilizers.

Cadmium red contains between 15 to 30 and more selenium. The pyrrole family of pigments is currently represented on the golden palette by three colors pyrrole orange pyrrole red light and pyrrole red. In the united states use of cd bearing stabilizers has decreased since 1990. It is stable as a pure pigment.

Alizarin crimson mixed with ultramarine blue will give a strong clear purple below left because both colours have a touch of red and blue in them and neither contains yellow to make it muddy.