
Assaying of Silver
There has been considerable discussion of late as to the best method of determining the silver-contents of sulphides of silver resulting from the leaching of

There has been considerable discussion of late as to the best method of determining the silver-contents of sulphides of silver resulting from the leaching of
Jig Acceleration Rittinger, having found that jigs save galena of smaller sizes than his formula, worked out in his appendix of the theory of acceleration
The extent to which sizing by sieves should be carried, as a preliminary to the separation, by jigging, of minerals of different specific gravities, has

In the course of work completed, the problem so far met with has been the determination of the various elements (or compounds) present in a

Analytical Balance Principle In this place it will be sufficient to describe the usual chemical balance, designed to carry in each pan a load up
In copper SX processes, the copper extracted from the aqueous feed solution into the solvent is replaced by hydrogen ions given up by the solvent.
Since the introduction of the improved method of precipitating gold from chlorine solution by SO2 and H2S at the Golden Reward chlorination-works, Deadwood, S. D.,
In the use of the apparatus purchased for the new chemical laboratories of the university, no piece has given us more satisfaction, or has been
Owing to certain inexplicable failures of tires, The Standard Steel Works authorized us to make a series of experiments to determine, if possible, the cause

The Tube Muffle Furnace is practically the common laboratory analytical gas-fired combustion-furnace, with its glass tube replaced by the iron and copper tubes, G and