ABSTRACT

O (108C). It is also soluble in acid and

ammonium chloride.

1. Laufer, A. H., Pirog, J. A., and McNesby, J. R., J. Opt. Soc. Am., 55, 64, 1965.

2. Davis, R. J., J. Opt. Soc. Am., 56, 837, 1966.

3. Heath, D. F. and Sacher, P. A., Appl. Opt., 5, 937, 1966.