bids are invited for chemical, type-1 - trisodium phosphate (tsp), na3po4.12h2o, as per is 573:1992, assay 17.5% as p2o5 min , chemical, type-2 - di sodium hydrogen phosphate, na2hpo4.12h2o, as per is:566:1984, technical grade assay 98% on dry basis , chemical, type-3 - sodium nitrite, nano2, as per is:879:1981, technical grade , assay 97% min , chemical, type-4 - citric acid % by mass ( as monohydrated), c6h8o7.h2o min 98.5% (bis:5464:1995) , chemical, type-5 a - liquor ammonia, analytical grade 25 % conc as per is:799-1985/reaffirmation year 2010 (supply in tanker with 06 days retention periodat site) , chemical, type-5 b - liquor ammonia, analytical grade 25 % conc as per is:799-1985/reaffirmation year 2010 (6000 liters to be supply in 200 liter drum and 5000 liter to be supply in 25 liter carboy cannes) , chemical, type- 6 - calcium hydroxide or lime powder or slaked lime ca(oh)2 as per is 1540 :1990, moisture:0.5-0.8 % by mass, available lime [as ca (oh)2]: 90% min , chemical, type-7 - sodium hydroxide (48% concentration) , chemical, type-8 - hydrazine hydrate, 80% concentration min is: 12086-1992 , chemical, type-9 - hydrochloric acid, (30% concentration) is: 265-1993 total quantity : 1