supply and delivery of chemicals, reagents and consumables for 14 ( fourteen ) laboratories under burdwan division, p.h.e. dte. , chromogenic coliform agar, for simulteneous determination & count of escherichia coli and total coliforrns in water samples as per iso 9308-1:2014, l00 gm pack mercklhimedia , consurnabies for bacteriological analysis by mf technique, membrane filter- cellulose nitrate, sterile- individually packed, white membrane, gridded, 47mrn dia, 0.45 micron porosity, pack of 100 circles merckihimedia / axiva , turbidity standard solution for tq1100 ir, make: merck , turbidity standard solution for tb 210 ir , make: merck , reagent suitable for spectrophotometric analysis of iron in potable water, range 0.005-5.00 mg / l soluble iron ( 1000 tests / pack ) make: merck / lovibond / palin / wtw , reagent suitable for spectrophotometric analysis of manganese in potable water range: 0.1-10 mg / l of manganese, ( 250tests / pack ) make: merck / lovibond / palin / wtw , manganese standard solution traceable to srm from nist traceable ( 125 ml / pack ) make: inorg vent / reagecon / merck / sigma , sterilising ether solvent ( biosol ) ( 450ml / pack ) , extran / labolene / finklin ( 5l / pack ) make: merck / fisher / finar , dpd tablet for residual chlorine, easily dispersible, suitable for comparometric determination, pack of 250 tabs , hydrochloric acid laboratory grade 5ltr.iron / pack, content : 0.0001% max.meck : marck , petridisc auticlavable borosilicate glass 60x15 mm , tissue roll , alluminium foil , standard buffre solution ( ph 4.01 ) , standard buffre solution ( ph 7.00 ) , standard buffre solution ( ph 10.01 ) , potassium iodide er, 100gm, make - thermo / alfa / acros / merck / sigma / finar , tin ( ii ) chloride dihydrate analytical quality solubility: 10% solution in dil. hcl should be clear & assay: min. 99.00%, ( 100gm / pack ) , make: merck / fisher / sigma / finar , lead ( ii ) acetate trihydrate, assay: min 99% 500gm / pack ) make: merck / fisher / sigma / finar , low lead glass woll ( 250gm ) , chloroform analytical quality, dry solvent, water content maximum: 0.01% max ( 500ml / pack ) make: merck / fisher / sigma / finar , morpholine, 500ml, make - thermo / fisher / merck / finar / himedia , silver diethyldithiocarbamate for arsenic analysis, acs grade assay: 99% min ( 5 gm / pack ) , make : merck , arsenic standard solution traceable to srm 1000 mg / l as, nist traceable ( 125 ml / pack ) make: inorg venture / reagecon / merck / fisher , zinc fillings, 500gm, make - thermo / merck / himedia / loba , hydrochloric acid min: 36.5% , analytical quality & acs grade, arsenic content: 0.01 ppm max. ( 500 ml / pack ) meck : marck , supply of total ionic strength adjustment buffer solution-iii for fluoride estimation sotn suitable for ionometric analysis of fluoride ( 475 mlipack ) thermo-orion / erclc / carlo erba , duster fine , absorbence cotton roll , ph paper ( 10 books ) , acetone lab grade ( 500ml / pack ) make: merck / fisher / sigma / finar , solvent for lamp ( 5lit pack ) , silicon grease ( 50gm ) , mask ( good quality ) , arsenic generator 100ml, complete with glass wool adaptor, absorber tube for arsenic testing, complete with 5ml volumetric apparatus, borosilicate glass and all matching standard joint. , tong ( steel ) , supply of weighing paper ( butter paper ) , supply of first aid kit comprises of absorbent cotton ( 100 gms ) , antiseptic liquid ( l no. ) , leucoplast, t-bact / silver ) usimilar ( l0 gm ) , scissors, starile cofton gauge ( 5 nos. ) , to be supplied within a covered box , rectangular cuvette 20 mm ( in pair ) , rectangular cuvette 50 mm ( in pair ) , pipette sucker , eppendorf pipette sucker , dropping bottel 125 ml , towel ( std ) , bekar 100 ml. , burret stand with clamp