tender for boiler chemical , chemical for two nos. boiler capacity 25 ton / hr each boiler. boiler water treatment for season 2022-23 on per day basis for 200 days. i ) ph booster. ii ) scale softner / safety agent. iii ) oxygen scavanger. these chemicals must maintain following parameters :- i ) ph of feed water will 8.5 to 9.0 ii ) ph of boiler water will be maintained 9.50 to 10.50 iii ) boiler tds will be maintained 1000 ppm. iv ) boiler water sulphate should be 25 to 30 ppm. v ) phosphate should be 15 to 30 ppm. note: the representative of party will be available in mills for 24 hours in whole crushing season and will do weekly chemical analysis of boiler water with his company owned testing kit. dosing pump will be provided by the party. rate should be per day basis. empty jar will be returnable basis. make-thermax / ionexchange / chemcon / van guard / equivalent isi.