The gold was existed in the status of natural gold in the ore. It brings some difficulties for sampling because of poor homogeneity and rich ductility of gold. The reason caused to the unqualified analytic result in the procedure was mainly the inhomogeneous and representative of samples. In order to get accurate and reliable analysis results, more attention should be paid to sample processing, such as receiving, control of sample loss rate, reasonable processing procedure, timely inner inspection, re-examination of abnormality, avoiding of pollution and disorder. |