supply of chemicals_reagents a-_r and m_o water supply under sub division no_i phed during 2020_21 , buffer solution ph – 7.0r063-500 ml , buffer solution ph – 4.0r064-500 ml , potassium chromategrm 1874-500 gm , silver nitrategrm 408 - 10gm , sodium hydroxidegrm 1183-500gm , murexidegrm 481-25 gm , edta (disodium salt)grm 1370-500 gm , edta (magnesium salt) , sulphuric acid (concentrated 98% pure) 500 ml1.93401.0521 , hydrochloric acid (concentrated 35% pure) 500 ml1.93400.0521 , phenolphtalein indicator1009 - 125 ml , methyl orange indicator1006-125 ml , eriochrome black – t indicatorgrm 939-25 gm , neutral ortho tolidine reagentr022 - 500 ml , potassium iodidegrm 252-500 gm , sodium thiosulphater069-1 lt , hydrazine sulphategrm 28474-100 g , potassium chloride (anhydrous)grm 697-500 g , silica gelgrm 151-500 gm , glycerolgrm 081-500 ml , isopropyalcohol1.94524.0521 , sodium chloridegrm031-500gm , barium chloride crystal1.93258.0521 , sodium sulphate (an hydorus)grm419-500gm , hydroxylamine (50%) solutionrm4304-250 ml , ammonium acetategrm 1200 – 500g , ferrous ammonium sulphategrm302-500gm , glacial acetic acid (concentrated)1.93402.0521 , mercuric sulphategrm1386-250gm , ammonium persulphate (solid)grm1094-500gm , boric acid solutionro62-500ml , nessler’s reagentr010-125ml , ammonium chloridegrm730 – 500g , brucine sulphate rm493-10g , buffer solution (borate)grm10402 – 1l , sulphanilic acidgrm428-100g , potassium nitrategrm1401-500gm , spands solutiongrm1157-5gm , zirconyl acidgrm1856-100g , sodium fluoridegrm1081-500g , aluminium hydroxidegrm5598-500gm , sodium carbonategrm254-500gm , calcium carbonategrm1044-500g , 1,10 phenanthroline monohydrate saltgrm1138-25g , concentrated nitric acid (72% pure)1.93406.0521 , dipotassium hydrogen phosphategrm168-500g , potassium dihydrogen phosphategrm2951-250g , “aerosol ot” di (2-ethylhexy) sulphosuccinate , diethylene glycol monobutyl ether8.03129.1000 , ammonium hydroxide , hexamenthylenetetramine8.18712