... factory Cobalt carbonate powder/ Cobalt salt/ Cobalt carbonateApplication:1) Mainly used for the production of cobalt chloride, cobalt sulfate, cobaltoxide, metallic cobalt, ... Standard specification below: PropertiesGrade AGrade BTest MethodAppearanceBluish violet powder, uniform color, no agglomeration, uncontaminatedVisual inspectionCo46.0 ... T 1479.1-2011 cobalt carbonate/extra fine/bluish violet