Skip to main content

Table 3 Content of copper in objects (Р = 0.95)

From: Determination of Cu (II) ions using sodium salt of 4-phenylsemicarbazone 1,2-naphthoquinone-4-sulfonic acid in natural and industrial environments

Sample Contained Found
Ceramics 0.2745 g 0.2720 ± 0.0041 g
Bronze 0.1090 g 0.1037 ± 0.0053 g
Water 0.0400 mg/L 0.0396 ± 0.0004 mg/L