GB/T 28290-2012 (English Version) PDF

Standard No.: GB/T 28290-2012
Language: Chinese, Available in English version
Release Date: 2012
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 28290-2012

Scope: This standard specifies the principles, reagents, test devices, samples, test conditions and procedures, calculation of test results, test reports, etc. for the determination of chromium on the surface of electrolytic tin plate by colorimetry and electrolysis. This standard is applicable to the determination of chromium content on the surface of electroplated tin plate. Colorimetry as a method of arbitration. As a rapid determination method, the electrolytic method is recommended for the determination of surface chromium content not less than 2mg/m².

GB/T 28290-2012 Referenced Document

GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

2012 GB/T 28290-2012 Methods for determination of surface chromium on electrolytic tinplate