procurement of spares and consumables for sulphur analyzer for ntpc lara and sipat , sulfur analyser:heating elements , sulfur analyser:thermocouple , sulphur analyser:boat stop#36101 , clamp , o ring , o ring , sulfur analyser:combustion boats , coal-lab sample-coal- 0 . 1-0 . 5% s , 50g , coal-lab sample-coal- 0 . 5-1 . 0% s , 50g , coal-lab sample-coal- 1 . 0-1 . 5% s , 50g , coal-lab sample- coal- 1 . 5-2 . 0% s , 50g , sulfur analyser:heating elements , sulfur analyser:thermocouple , sulfur analyser:combustion tube , std sulpher conc-1 . 2% , sulfur analyser:combustion boats , sulfur analyser:reagent tube , sulfur analyser:dust cartridge , sulfur analyser:oxygen solenoid valve , sulfur analyser:pc 1 board , sulfur analyser:gas pump , sulfur analyser:temperature switch , std sulpher conc-0 . 34% , std sulpher conc-3% , std sulpher conc-1 . 01%