Published online by Cambridge University Press: 01 May 2009
THE well-known and highly sensitive tests afforded by ferricyanide, ferrocyanide, and thiocyanate solutions for the detection of iron may be adapted, at the cost of a little trouble, to the microchemical investigation of certain rocks in thin section, as can also the equally well-known fusion test for manganese. The following methods have proved useful in special circumstances of the nature indicated in each case.
1 Rastall, , Nature, July 3, 1919, p. 359.Google Scholar