335 G Sample Of Ore Yields G Of Iron

Sample, centrifuging at 500 x g for 10 min to precipitate the iron, and reading the optical density at 620m,u mehlig, 1941hennecessary, the residue from the copper determinations was dissolved in 0ml of 6 n hcl, and iron determinations were carried out with thiocyanate sandell, 1959he surface active agents used are listed in table 1.