bids are invited for uhp nitrogen , h2 1000 ppm , uhp argon , ammonia 1000 ppm , methane 98 , co2 99.9 , uhp oxygen , co2 1.1 , argon , co2 and oxygen , n2 90 , propylene , methane 99.995 , zero grade air , uhp zero grade air , nitrogen , uhp hydrogen , zero grade hydrogen , h2 9.92 , ethylene , h2 4.9 , h2 10 , new cylinder on outright sale 10l wc al , new cylinder on outright sale 47l wc st , c02 with purity 99.995 , oxygen 25 , hidrogen 5 , co2 1 , uhp argon gas 99.9995 , uhp nitrogen 99.9995 , oxygen commercial , h p oxygen gas 99.85 , uhp oxygen 99.999 , helium gas 99.999 , helium gas 99.995 , uhp helium gas 99.9995 , co2 5000ppm , zero grade air 99.999 , co2 99.9 , co2 5 , co2 99.995 , uhp nitrogen gas 99.9999 , carbon monoxide 99.5 , ammonia 99.999 , refilling of gas mixture1 , refilling of gas mixture2 , refilling of gas mixture3 , refilling of gas mixture4 , refilling of gas mixture5 , ss double stage double gauge regulators total quantity : 1943