TENDER FOR PROCUREMENT OF LABORATORY EQUIPMENTS ...

Tea Board/Kolkata/2011-12- QCL Tender Document-Original8 ProbeDirect infusion of sample to MS unit should beavailable or specify9 Ion SourceSource temperature upto 300 o C or betterQuick change over EI/CI modeInert EI source with dual filament10 Collision CellMention the gas used for collisionFacility to focus the ion beam for entering intothe cell and exit the cell to be availableCollision energy digitally controlled andspecify the voltage11 TuneAuto tune facility and manual tuning optionavailable12 ResolutionShould be adjustable form 0.7 Da to 4 Daor Specify13 Dwell Time Minimum 1ms or better14 Scan speed Minimum 5000 or better15 MRM Speed Minimum 200 transitions/sec16 EI scan sensitivityS/N ≥ 200 : 1 or Better with 1 pgOctafluoronaphthalene (OFN) from m/z 50 to300 for m/z 272orOtherwise specify the sensitivity in terms ofSignal to Noise with the concentration of thechemical and injection volume and m/z17 EI MRM sensitivityS/N ≥ 500 : 1 or better with 100 fgOctafluoronaphthalene (OFN) from m/z 272 ---222 transitionorOtherwise specify the sensitivity in terms ofSignal to Noise with the concentration of thechemical and injection volume and m/ztransitionS/N ≥ 300 : 1 or better with 100 pgBenzophenone (BZP) from m/z 80 to 230 form/z 18318 PCI scan sensitivity19 NCI scan sensitivityorOtherwise specify the sensitivity in terms ofSignal to Noise with the concentration of thechemical and injection volume and m/zS/N ≥ 500 : 1 or better with 250 fgOctafluoronaphthalene (OFN) from m/z 50 to300 for m/z 272orOtherwise specify the sensitivity in terms ofSignal to Noise with the concentration of thechemical and injection volume and m/z31