Section VI — Products of the chemical or allied industries
National subdivision
28051
Alkali or alkalineearth metals:
Common commodities
Elemental Lithium MetalPure Sodium Element BlocksUnrefined Potassium BarsReactive Rubidium Metal BarsCesium in its Purest FormBeryllium Metal SheetsRefined Magnesium IngotsCalcium Metal Element BlocksStrontium in Solid Elemental FormBarium Metal Bars for Industrial Use