bids are invited for boq total quantity : 1--1. gas chromatograph column oven can accommodate two columns with maximum temperature range up to 450-degree c with set point resolution of 0.1-degree c. it should support 20 ramps or more and 21 plateaus or more with & maximum temperature ramp rate of 100-degree c / min or higher. negative ramps should also be allowed. cool down of oven from 450 degree c to 50 degree c within 5 min or less. should have retention-time locking feature provision to install two or more columns should have 5 independently heated zones 2. injectors two capillary split / splitless injector for split, split less with fully epc and pressure range up to 100 p.s.i. or higher maximum temperature should be 400-degree c or higher maximum split ratio 7500:1 or higher 3. back flash should quote separate post column or mid column backflash. replacement of gc column without venting ms vacuum which results in elimination of gc / ms downtime. 4. detectors fid with fully epc – 1 nos. minimum detection level of 2 pg c / s or less with either octane / dodecane / tridecane maximum operating temperature 450-degree c or higher dynamic range: > 10^7 or higher minimum detectable level: 1.2 pg c / sec or better with tridecane tcd with fully epc maximum operating temperature 400-degree c or higher dynamic range: > 10^5 or higher minimum detectable level: 400 pg tridecane / ml 5. sample injection device 1. auto injector with 12 or more sample vials 2. 6 port automatic as well as heated gas sampling valve for gas injection. 6. mass spectrometer inert ei source with maximum temperature of 350 °c or higher. higher temp will be preferred. dual filament. electron energy up to 200 ev. quadrupole: heated will be preferred mass resolution of unit mass detector: triple-axis detector with high energy dynode and long life electron multiplier transfer line temperature: 100–350 °c or higher ion source temperature: 150–350 °c or higher ei source should be inert to active compounds and should be programmable with maximum temperature of 350 °c or more should be future upgradable to ci mode as well. should have auto tunes feature, one-click auto tune for bfb, dftpp, pftba 7. mass range mass range of 2-1000 amu or higher. 8. scan rate scan rate of 20000 amu / sec. 9. sensitivity ei scan sensitivity at least 1500:1, injection of 1pg / μl ofn standard scanning from 50 to 300 amu at nominal 272 ei sim instrument detection limit of 10 fg or less using 100 fg / μl ofn standard at nominal 272 u ion should be demonstrated at site with 30 m column 10 10. turbo molecular pump single turbo molecular pump with capacity of 250l / sec or more and a mechanical pump must be provided for auxiliary pumping 11. library latest 2020 nist library with license version. company should provide license number of nist 2020. 12. software original software with license to control gcms and other accessories. 13. ups suitable 10 kva ups with 30 minutes’ backup and three years’ standard warranty. 14. pc suitable windows 10 based pc workstation with preloaded software from the manufacturer compatible with data acquisition and analysis. the system should satisfy the following minimum specification: intel core i7, 1tb hard disc, 8 gb ram with xeon processor or better, antivirus and 21-inch monitor ( 2 nos. screen ) . 15. printer laser jet color or b / w printer