supply of allied material and chemicals required for distt . laboratory sagar-1 1. universal ph indicator solution 2 2. ph standard for ph 4, 7, and 9.2 certified 3 ph ampules for 4, 7 and 9 4 1.turbidity standard 400ntu 5 hydrazine sulphate ar / gr 6 hexamine ar / gr 7 tissue paper 8 conductivity standard 1000μmho / 1416 μmho 9 edta n / 50 std. make 10 ammonium buffer solution std. make 11 calcium standard reference standard 1000 mg / l 12 ammonium purpurate indicator std. make 13 sodium hydroxide 1n std. make 14 sulphuric acid n / 50 std. make thomas backer 15 mixed indicator for alkalinity. std. make lab prepared 16 alkalinity standard reference standard 1000 mg / l / envirnotech 17 potassium chromate indicator 18 silver nitrate ar / gr 99% 19 chloride standard 500mg reference standard 20 sulphate standard 100mg / l reference standard 21 conditioner reagent for sulphate , std.make or lab 22 fluoride standard100ppm reference standard 23 mixed alzarin zirconyl acid solution 24 phenol di sulphonic acid ( pda ) clear, bdh england 25 ammonia solution 35% std. make 26 nitrate standard as no3 100mg / l reference standard 27 silver sulphate solution 0.443% 28 iron free distilled water ( reagent grade i water ) 29 arsenic kit to test 100 samples range start from 0.01mg / l 30 sodium acetate ar / gr min assay 99% / std. make 31 hydrochloric acid ar / gr iron contents <0.0005% 32 hydroxylamine hydrochloride 99% ar / gr or std. make 33 1:10 phenonthroline ar / gr / std. make 34 iron standard 100mg / l reference standard 35 o- tolidine 36 special reagent for manganese std make 37 ammonium per sulphate gr ( approx for 600 samples ) 38 manganese standard solution 100mg / l reference standard 39 m7hr fc agar. std. make ( expiry >2 years ) 40 membrane 47mm dia 0.45 micron, grided individually sterilized std. make certified 41 membrane filtration assembly with pump 42 petri plates 55mm std. make tpx 43 brown paper sheet 44 sprit / ethanol 45 cotton 46 stickers 47 spatula hard steel 125 mm 48 forceps 100 mm