... , 50ml, 100ml, etc; 3.Class: level one; 4. good quality. Platinum Crucible 1.purity: more than 99.95%; 2.types:20ml, 30ml ... , 50ml, 100ml, etc; 3.Class: level one; 4. good quality.Platinum CrucibleIts purity is more than 99.95%.Models:20ml, 30ml ... Available Capacity: 10-300ml (other sizes made as per order) Crucible (Standard)Product NameChanghongCodeCapacity(ml)Upper Diameter(mm)Height (mm)Thickness ...