... semiconductors, electronic materials, rare earth materials, ores, ceramics, coal, graphite, and some organic materials.CS-3000G Series are ... balance, computer, printer, high-frequency infrared carbon & sulfur analyzer, tubular resistance furnace, vacuum cleaners.2. Infrared detection system: ... 1 g ~ 0.5 gTubular resistance furnace:400 mg (coal, representative value)6. Carrier gas:O2: purity ≥99. ...