Cobalt oxalate powder in pink color. International Research Lab We are ... saltcobalt oxalate powder for use ceramicPink powder, uniform color, no agglomeration, uncontaminated.Following is our standard specification ... . PropertiesGrade AGrade BTest MethodAppearancePink powder, uniform color, no agglomeration, uncontaminatedVisual inspectionCo 31.50%Complexometric titrationNi≤ ...