... leading companies of Australia, Chile, South Arica, Brazil, China, Korea, India, Russia, Ukraine and Classification: SulphateType: ... .5H2O EINECS No.: 231-847-6Place of Origin: Tianjin China (Mainland)Grade Standard: Electroplating GradePurity: 98%minAppearance: Blue ... cooperative relationships with the Institute of Chemistry, East China Normal University, and other research institutions. Moreover, ...