bids are invited for procurement of chemical hydrazine sulphate five hundred g hach seven four two two six , hydroxylamine hydrochloride five hundred g merck one point nine four nine two two point zero one two one , potassium hydrogen phthalate purified five hundred g merck emparta six one seven six zero three zero five zero zero one seven three zero , potassium iodate two hundred fifty g merck emparta one point nine three six six two point zero one two one , silver nitrate twenty five g merck emparta one point nine three two zero zero point zero zero two seven , sodium chloride five hundred g merck emparta one point nine three two zero six point zero five two one , disodium hydrogen phosphate thousand g merck emparta one point nine three two zero nine point zero five two one , zirconyl nitrate five hundred gm , concentrated hcl thousand ml merck emparta one point nine three zero zero one point zero five two one total quantity : 15