supply of lab chemical for nabl district lab ujjain and sub division laboratories ujjain- 1 edta - n / 50 std.make 500mlenvirnotech, merck, thomas beaker 2 ediochrome black t indicator 100mlenvirnotech, merck, thomas beaker 3 sodium hydroxide 500ml ( 1n solution ) envirnotech, merck, thomas beaker 4 petton reader 100mlenvirnotech, merck, thomas beaker 5 sulphuric acid n / 50 standard make 500mlenvirnotech, merck, thomas beaker 6 mixed indicator 100mlenvirnotech, merck, thomas beaker 7 silver nitrate 500mlenvirnotech, merck, thomas beaker 8 potassium chromate indicator 100mlenvirnotech, merck, thomas beaker 9 sulphate standard 100mg / l ( 500ml ) envirnotech, merck, thomas beaker 10 conditioning reagent for sulphate 500mlenvirnotech, merck, thomas beaker 11 barium chloride 500gmmerck 12 fluoride std. 100ppm 475mlorion, merck, hatch , sigma / nsi labsolution / b n d or anyiso -17034 certifiedmake 13 tisab iii 475mlorion, merck, hatch 14 electrode filling solu. for flouride 60mlorion, merck, hatch 15 hydrochloric acid ar / gr iron contents 0.0005% ( 500ml ) envirnotech, merck, thomas beaker 16 hydroxylamine hydrochloride solu. std make ( 500ml ) envirnotech, merck, thomas beaker 17 sodium acetate solu. std. make ( 500ml ) 25% w / venvirnotech, merck, thomas beaker 18 1:10 phenonthroline solu. std. make ( 500ml ) envirnotech, merck, thomas beaker 19 iron std. 100mg / l ( 475ml ) envirnotech, merck, thomas beaker 20 m7fc agar std. make ( 500gm ) 2 years expiryhemedia, microxpress 21 membrane 47 mm dia 0.45 micron grided individually sterillized std. make certifide ( milipore, whatman ) wattman, paul, minipour 22 lab cleaning solution ( 5lit ) envirnotech, merck, thomas beaker 23 whatmann filter paper 200 nosenvirnotech, thomas beaker, 24 phenol di sulphonic acid ( pda ) clear, bdh england or eq. gradeenvirnotech, merck, thomas beaker 25 tissue paperasper suitable 26 sodium chloride 45gmbnd or any iso 17034 certified make 27 soidum carbonate 45gmbnd or any iso 17034 certified make