bids are invited for ph range - -2.0to 14.000 ph , tds / conductivity , nepheometer ( turbidity meter ) -: ( with nabl calibration ) , lab refrigerator with digital temp ( with nabl calibration ) , hot air oven -: ( with nabl calibration ) , incubator digital ( bio-oxygen demand ) for bacteriological test;- , vertical autoclave fully automatic , vacuum pump make , uv laminar air flow chamber for bacteriological analysis, double distillation unit borosilicate , water bath, magnetic hot plate stirrer-: digital display, ion meter for fluoride testing complete set ( with fluoride electrode ) -: makelaboratory weight box make weight india 1.0mg to 200gm with , millipore filtration assembly for laminar airflow, 21 buffer solution ph 4.0 product no. 1.99001.0001 ( 30x30 ml ) merck 30x30 ml 1 22 buffer solution ph 7 product no. 1.99002.0001 ( 30x30 ml ) merck 30x30 ml 1 23 buffer solution ph 9.2 product no. 1.99019.0001 ( 30x30 ml ) , merck 30x30 ml 1 24 standard turbidity solution 100 ntu traceable to srm from nist, crm 500 ml 1 25 standard turbidity solution 400 ntu traceable to srm from nist, crm 500 ml 1 26 standard calcium solution 1000 mg / l traceable to srm from nist, certified reference material , merck 500 ml 1 27 chloride standard solution 1000 mg / l traceable to srm from nist, certified reference material 1.19897.0500 , merck 28 fluoride standard solution 1.19814.0500 traceable to srm from nist 500 ml 1 29 standard potassium chloride ( 1413us / cm ) solution ( 30x30ml ) traceable to srm from nist, crm, merck 500 ml 1 30 standard sodium chloride 0.0141 n solution traceable to srm from nist, certified reference material , merck 500 ml 1 31 crm colour standard solution merck nistplatinum cobalt color reference solution ( hazen 100 / 500 ) sigma 500ml 1 32 calcium carbonate ar 500 gm 2 33 n / 50 edta disodium salt solution ar 500 ml 2 34 magnesium chloride ar / gr emparta 500 gm. 2 35 ammonia buffer solution ar / gr emparta 500 ml 4 36 erichrome black- t ( solocrome ) ar 1.93320.0026 25 gm. 3 37 silver nitrate merck solid 100 ml 1 38 1n naoh solution 500 ml 2 39 methyl orange ar / empartamerck 25 gm 1 40 aluminium potassium sulphate empartamerck 500 gm 2 41 ammonium hydroxide suspension empartamerck 500 ml 2 42 potassium chromate ( chloride test ) indicator solutionmerck 500 ml 2 43 1-10 phenanthroline monohydrate armerck 25 gm 2 44 glycerol ar / emparta / grmerck 500 ml 2 45 alcohol ( isopropyl ) emtparta grademerck 500 ml 2 46 sodium chloride ar / emparta / grmerck 500 gm 2 47 barium chloride ar / emparta / grmerck 500 gm 2 48 methyl red armerck 25 gm 3 49 bromocresol green armerck 5 gm 2 50 phenolphthalein indicator 1% solution ar / emparta / gr 100 ml 1 51 sodium carbonate standard certified reference materials merck 500 ml 1 52 sodium hydroxide armerck 500 gm 2 53 conc. sulphuric acid 98% ar / grmerck 2.5ltr 1 54 silica gel mercketc