rate contract for a period of 2 years for supply of chemicals rate contract for a period of 2 (two) years for supply of chemicals for lakwa thermal power station (ltps) and namrup thermal power station (ntps) of assam power generation corporation limited , chemicals required for ltps , ferric alum, grade:4 colour: light grey, purity 16% of al2o3 water insoluble-0.5% max. al2o3=15+/0.2% iron as fe=0.7% max. ph of 10% solution=2.3 min. free acid=nil , bleaching powder, is-1065 of 1981 with latest modification purity: 33.5% of chlorine (cl2) as per is-1065 of 1981 , hydrochloric acid, purity: 30% concentration , tri-sodium phosphate,is-573: 1992 purity as 17% as p2o5 , hydrate lime, purity 90-95% of ca(oh)2 , caustic soda lye, purity: 48% , hydrazine hydrate, purity 50%, bis 12086/1991 , ammonia, purity (25-30%) , chemicals required for ntps , ferric alum in block form, is: 299-2012, purity: 16% of al2o3 grade :4, color: white to off white. insoluble matter, percent by mass, max:0.2 soluble iron compound (as fe), percent by mass, max:0.04 , caustic soda flakes, is: 252-2013, purity: 99.5% rayon grade, packed in 50 kg hdpe bag , caustic lye, is: 252-2013 purity: 47% , hydrated lime in powder form, is: 1540-1990 purity: 90% , bleaching powder, is:1065-2019, purity: 34% , hydrazine hydrate, is: 12086-1987 purity: 80% , morpholene, is: 12084-2018, purity: 99% , tri sodium phosphate, is: 573-1992, purity: 17.5 % , sulphuric acid, is: 266-1993, purity: 98% , sodium sulphite, is:247-1987, purity: 95% , hydrochloric acid, is: 265-1993, purity: 32% , liquid ammonia (colourless) , scacil-9610 (antiscalant) , bionil-9250 (biocide) , corrocil-9325 (corrosion inhibitor) , zok 27-(concentrate)