GB/T 28290-2012 in English
VALIDMethods for determination of surface chromium on electrolytic tinplate
- Issued on:2012-05-11
- Implemented on:2013-02-01
- File Format:PDF
- Delivery:Within 1 day
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《GB/T 28290-2012电镀锡钢板表面铬量的试验方法》由TC183(全国钢标准化技术委员会)归口,TC183SC6(全国钢标准化技术委员会钢板钢带分会)执行,主管部门为中国钢铁工业协会。
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.

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