CNS 6673-1980
Method of Test for Concentrating and Measuring Trace Quantities of Copper in High - Purity Water Used in the Electronics Industry (English Version)

Standard No.

CNS 6673-1980

Language

Chinese, Available in English version

Release Date

1980

Published By

Taiwan Provincial Standard of the People's Republic of China

Latest

CNS 6673-1980

Scope

This standard stipulates that trace amounts of copper ions in high-purity water should be measured using the CNS 5464 method after a concentration step. The concentration range is suitable for 0.01 to 8 ppb. This method cannot be used for organic copper and chelate copper.

CNS 6673-1980 history

• 1980 CNS 6673-1980 Method of Test for Concentrating and Measuring Trace Quantities of Copper in High - Purity Water Used in the Electronics Industry