bids are invited for 1 - compressed hydrogen gas, as per is:1090:2002 grade-ii, hydrogen % v/v 99.6 minimum, oxygen ppm by volume 0.3(max.), nitrogen ppm by volume 0.1 max, water vapour mg/m3 50 max., carbon dioxide ppm by volume 25(max.), carbon monoxide ppm by volume 10(max), mercury mg/m3 0.2, hydrocarbons ppm by volume nil, to be filled in our deptt. cylinder of 6.23 cmt, msds of gas is required , 2 - replacement of complete valve , 3 - replacement of spindle of valve , 4 - replacement of gland nut , 5 - painting charges of cylinder , 6 - hydro test charges of cylinder , 7 - rental charges of cylinder per day for supplier own cylinder when the supply of gas will be obtained in suppliers cylinder total quantity : 1