carbon and sulfur crucible in geological materials by combustion and infrared absorption photometry:

Carbon Sulfur crucible	leco carbon and sulfur analyzer crucible	Carbon crucible	Carbon Sulfur Analyzer with Sample Chang
Crucible for Carbon Combustion Analyzer	For Carbon/Sulfur Combustion Analyzer	High-frequency Infrared Carbon & Sulfur	Carbon & Sulfur Infrared Spectrometer
high-tech carbon and sulfur analyzer	CS-2000 furnace infrared C&S analyzer	Crucibles for LECO: Elemental Analysis	For High-frequency Infrared C&S Analyzer