standard sample for carbon sulfur analyser:

leco carbon and sulfur analyzer crucible	Carbon and Sulfur Analysis crucible	CS310 Porcelain Combustion Boats	CS049 Alumina ceramic boat/Corundum boat
CS042 Alumina/ Corundum crucibles	CS029 Alumina/ Corundum square tray	CS025 Alumina crucibles round tray	Refractory Saggar/Metal Working crucible
CS293 Fire clay crucible	CS290 Coal industry ceramic /crucibles	CS284 Copper casting Crucibles	051Gold melting crucibles / Melting Gold