supply and re-filling of oxygen gas cylinders and nitrous oxide , medical oxygen in a type cylinders certified for medical use as ip 1996 , not less than 99 . 0 v/v of oxygen , less than 5ppm of carbon monoxide , not more than 300 ppm of carbon dioxide , free of any kind of halogen and polymers , free of all forms of oxidizing substances , absolutely free of moisture and filled out of liquid oxygen . , medical oxygen in b type cylinders certified for medical use as ip 1996 , not less than 99 . 0 v/v of oxygen , less than 5ppm of carbon monoxide , not more than 300 ppm of carbon dioxide , free of any kind of halogen and polymers , free of all forms of oxidizing substances , absolutely free of moisture and filled out of liquid oxygen . , medical oxygen in d type cylinders certified for medical use as ip 1996 , not less than 99 . 0 v/v of oxygen , less than 5ppm of carbon monoxide , not more than 300 ppm of carbon dioxide , free of any kind of halogen and polymers , free of all forms of oxidizing substances , absolutely free of moisture and filled out of liquid oxygen . , medical nitrous oxide gas in bulk cylinders as per ip 1996 certified as inhalation analgesic , manufactured from ip grade ammonium nitrate . if any alternate technology or manufacturing process is used the same to specified and all inputs regarding quality assurance and probable impurities etc must be provided , should not contain less than 98 . 0%v/v of nitrous oxide in both liquid and gaseous phase , less than 300 ppm of co2 as impurity , less than 10 ppm of co as impurity , free of hydrogen sulphide , not more than 2 ppm v/v of nitrogen dioxide or nitric oxide in both liquid and gaseous phase , free of all forms of reducing and oxidizing substances , free of moisture and each batch must have passed tests for alkalinity , arsenic and phospine . , compressed medical air gasas per ip 1996 certified as inhalation analgesic , manufactured from ip grade ammonium nitrate . if any alternate technology or manufacturing process is used the same to specified and all inputs regarding quality assurance and probable impurities etc must be provided , should not contain less than 98 . 0%v/v of nitrous oxide in both liquid and gaseous phase , less than 300 ppm of co2 as impurity , less than 10 ppm of co as impurity , 6 . free of hydrogen sulphide , not more than 2 ppm v/v of nitrogen dioxide or nitric oxide in both liquid and gaseous phase , free of all forms of reducing and oxidizing substances , free of moisture and each batch must have passed tests for alkalinity , arsenic and phospine . , liquid medical oxygencertified for medical use as ip 1996 , not less than 99 . 0 v/v of air , less than 5 ppm of carbon monoxide , not more than 300 ppm of carbon monoxide , free of any kind of halogen & polymers free of all forms of oxidizing substances , absolutely free of moisture and filled out of pure medical air . , installation of liquid medical oxygen tank ( 1000 kg ) as per specification and terms and conditions as mentioned in annexure-4 of the tender document .