bids are invited for procurement of h2s detection tubes h2s dection tube 0.5-10 ppm , h2s dection tube 1-30 ppm , h2s dection tube 2.5-60 ppm , h2s dection tube 10-250 ppm , h2s dection tube 50-800 ppm , h2s dection tube100-2000 ppm gemarpts searched h2s detection tubes strings used in gemarpts hydrogen sulfide (h2s) detector (v1), bucket mop wringer trolley, h2s vial bacteriological field test kit, corrosion gemarpts searched inhibitor for oil and gas lines in presence of h2s (ongc), steel tubes, laminar air flow cabinets or stations, silicone result generated in gemarpts tubes, centrifuge tubes, waste containers and accessories - domestic (v2), microcentrifuge tubes relevant gas analyser categories selected for notification total quantity : 212