Metallurgical performance of gold and silver mineral processing flowsheets is typically evaluated using assay balance and production balance techniques. With assay balance the mill feed, tailings, and some intermediate streams are sampled and
Distillation Procedure Samples without sulfide. Place 500 mL of the combined sample or an aliquot diluted to 500 mL in the 1 liter boiling flask.
In the assay of gold and silver in cyanide solutions the degree of accuracy and the speed desired are the governing factors in the choice of
Zinc usually occurs in cyanide solutions as the double cyanide, but under certain conditions, e.g., in dilute solutions, a portion of the zinc may be
Short Iodide Method To 200 to 500 cc of solution add 10 cc HCl, 5 cc HNO3. Evaporate to about 50 cc, then cool, and
Here is a Qualitative Test Method to look for Cyanide Traces. To 500 to 1000 cc of the solution to be tested add 1 to 2 cc
The most reliable method of determining ferrocyanide in a cyanide solution is to determine the total iron and calculate to ferrocyanide. Volumetric Method Procedure To
Two methods for determining the oxygen content of cyanide solutions are offered as being simple and accurate. White’s method is a colorimetric one, depending on the
It is important to know the free, or available, CaO in burnt or hydrated limes, especially for the laboratory determination of lime consumption in cyanide
Determination of Thiocyanate by Colorimetric To a 100- cc Nessler tube add 50 cc water and 5 cc (more if necessary) of the cyanide solution to