Paragraph 6 PREPARATION OF THE SOLUTION TO BE ANALYSED
Copper extract solution
6.1
See Methods 25a and/or 25b and, if appropriate, 25c.
Preparation of the test solution
6.2
See Method 25d (6.2).
Copper extract solution
See Methods 25a and/or 25b and, if appropriate, 25c.
Preparation of the test solution
See Method 25d (6.2).