THE DETERMINATION OF FREE (UNCOMBINED) CARBON IN PLUTONIUM CARBIDES.

obtained with a standard deviation of 0.01/sub 7/% or a relative standard deviation of 0.28%. For 17 analyses of the (U,Pu)C sample, an average carbon content of 4.97% was found with a standard deviation of 0.01/sub 2/% or a relative standard deviation of 0.24%.