Polishing powder-2

Polishing powder-2

Polishing powder-1

Polishing powder-1

Barium carbonate

Barium carbonate

Enrichment

Enrichment

Barium nitrate

Barium nitrate

Barium carbonate

Barium carbonate

Yttrium oxide

Yttrium oxide

Yttrium oxide

Yttrium oxide

Ammonium chloride

Ammonium chloride

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