corrigendum tender for title1 , title2 , title3 , title4 , title5 , title6 , title7 , title8 , title9 , title10 , title11 , title12 , title13 , title14 , title15 , title16 , title17 , title18 , title19 , title20 , title21 , title22 , title23 , title24 , title25 , title26 , title27 , title28 , title29, procurement of acids and chemicals, nitric acid, hydrochloric acid, hydrofluoric acid, perchloric acid, sulphuric acid, suprapure nitric acid, lithium tetraborate, lithium metaborate, nickel powder min, multi element standard solution for icp twenty components, multi element standard solution for icp thirty three components, multi element standard solution for icp fifteen components, indium icp standard solution, gold standard solution, selenium standard solution, sea sand extrapure, calcium fluoride, sodium carbonate, borax, stannous chloride, tellurium metal powder, litharge, charcoal powder, silver nitrate, sodium fluoride, boric acid, sodium hydroxide, potassium nitrate, mercuric chloride