CNS 7280-1981
Methods for Sampling of Metal Bearing Ores of Copper Lead, Zinc, Tin, Gold, Silver and Others (English Version)

Standard No.

CNS 7280-1981

Language

Chinese, Available in English version

Release Date

1981

Published By

Taiwan Provincial Standard of the People's Republic of China

Latest

CNS 7280-1981

Scope

This standard stipulates the following methods for determining the composition, moisture and other properties of each batch of coarse ore and concentrate of copper, lead, zinc, tin, gold, silver, etc. (hereinafter referred to as the average grade). (1) Pattern selection method. (2) Preparation and measurement method. (3) Determine the moisture content and drying method.

CNS 7280-1981 history

• 1981 CNS 7280-1981 Methods for Sampling of Metal Bearing Ores of Copper Lead, Zinc, Tin, Gold, Silver and Others