supply and delivery of different raw materials for running of laboratory for physical , chemical and bacteriological test of water sample as per bis 14543 norms under chakchaka bottling plant laboratory , dist . coochbehar under northern mechanical divi , mac conkey agar 500gm ( product code- 61935905001730 ) ( merck/any approved manufacturer ) , lactose ttc agar 100gm ( product code- m1cf1gq01 ) ( tm media/any approved manufacturer ) , differential re-inforced clostridial broth 100gm ( product code-m549-100g ) ( hi-media/any approved manufacturer ) , chromogenic coliform agar 500 gm ( merck/any approved manufacturer ) , potassium iodide 100gm ( product code- 1 . 93201 . 0121 ) ( merck/any approved manufacturer ) , sodium hydroxide 500 gm ( product code- 1 . 93502 . 0521 ) ( merck/any approved manufacturer ) , ammonium acetate 500 gm ( product code- 21335 ) ( fischer scientific/any approved manufacturer ) , hydrochloride acid 35% 500ml ( product code- 1 . 93401 . 0521 ) ( merck/any approved manufacturer ) , potassium per manganet 500 gm ( product code- 26785 ) ( fischer scientific/any approved manufacturer ) , potassium chloroplatinate 1gm ( product code-79730125c13 ) ( finar/any approved manufacturer ) , glycerol 500ml ( product code-4277810614/24505 ) ( fischer scientific/any approved manufacturer ) , sulfuric acid ( 0 . 02n ) 500ml ( product code-61846305001730 ) ( merck/any approved manufacturer ) , edta solution 500ml ( product code-61760405001730 ) ( merck/any approved manufacturer ) , nitric acid ( 69% ) 500ml ( product code-1 . 93406 . 0521 ) ( merck/any approved manufacturer ) , acetic acid 500ml ( product code-1 . 93402 . 0521 ) ( merck/any approved manufacturer ) , barium chloride 500gm ( product code-1 . 93658 . 0521 ) ( merck/any approved manufacturer ) , chromotropic acid 25gm ( product code-283400025 ) ( loba chemie/any approved manufacturer ) , hexamethyle tetramine 500gm ( product code-1 . 94923 . 0521 ) ( merck/any approved manufacturer ) , hydroxile ammonium chloride 100gm ( product code-pn18764 ) ( fischer scientific/any approved manufacturer ) , hydrogenium sulphate `100gm ( product code-1 . 94975 . 0121 ) ( merck/any approved manufacturer ) , magnesium sulphate 500gm ( product code-1 . 93645 . 0521 ) ( merck/any approved manufacturer ) , potassium chloride 500gm ( product code-1 . 93638 . 0521 ) ( merck/any approved manufacturer ) , potassium chromate 500gm ( product code-1 . 93260 . 0521 ) ( merck/any approved manufacturer ) , potassium nitrate 500gm ( product code-1 . 93625 . 0521 ) ( merck/any approved manufacturer ) , potassium meta per iodide 100gm ( product code-539700100 ) ( loba chemie/any approved manufacturer ) , l-proline 25gm ( product code-547000025 ) ( loba chemie/any approved manufacturer ) , sodium sulfite 500gm ( product code-1 . 93261 . 0521 ) ( merck/any approved manufacturer ) , sodium sulphide ( product code-0602000500 ) ( merck/any approved manufacturer , zinc powder 500gm ( product code-617628050001730/1 . 93800 . 0521 ) ( merck/any approved manufacturer ) , orthophosphoric acid 500ml ( product code-pn29245 ) ( fischer scientific/any approved manufacturer ) , cyclohexamine 500ml ( product code-1 . 02888 . 0521 ) ( merck/any approved manufacturer ) , potassium aluminium sulphate 500gm ( product code- 1 . 93699 . 0521 ) ( merck/any approved manufacturer ) , potassium hydroxide 500gm ( product code- 1 . 93503 . 0521 ) ( merck/any approved manufacturer ) , sodium acetate 500gm ( product code-pn20125 ) ( fischer scientific/any approved manufacturer ) , sodium chloride 500gm ( product code-pn27605 ) ( fischer scientific/any approved manufacturer ) , filter paper , ethanol 500ml , burrete , simmon citrate agar 100gm ( product code- m099-100g ) ( hi-media/any approved manufacturer , violet red bile agar 100gm ( product code-m049-100g ) ( hi-media/any approved manufacturer ) , ttc solution 1% 50ml ( product code-fd057-5vl ) ( hi-media/any approved manufacturer ) , silica gel 500gm ( product code-61841805001730 ) ( merck/any approved manufacturer ) , gelatin purified 500gm ( product code-61792405001730 ) ( merck/any approved manufacturer ) , patton & readers reagent 5gm ( product code-61863700051730 ) ( merck/any approved manufacturer ) , muroxide pure 5gm ( product code-61801600051730 ) ( merck/any approved manufacturer ) , petone water 100gm ( product code-m028-100g ) ( hi-media/any approved manufacturer ) , endo agar 100gm ( product code-m029-100g ) ( hi-media/any approved manufacturer ) , triple sugar iron agar 100gm ( product code-mm021-100g ) ( hi-media ) , iodine solution 500ml ( merck/any approved manufacturer , asparagine proline broth 100gm ( product code-m1192-100g ) ( hi-media/any approved manufacturer ) , disposable mask , disposable bag ( 19 inchx 24 inch ) , pack of 100 , cap , aluminium foil , spirit , glass petri dish ( 80*20 ) , tissue paper roll , pippete sucker 25 ml , ammonium di chromate 500gm ( product code-1 . 94959 . 0521 ) ( merck/any approved manufacturer ) , ascorbic acid 100gm ( product code-1 . 93010 . 0121 ) ( merck/any approved manufacturer ) , boric acid 500gm ( product code-1 . 93409 . 0521 ) ( merck/any approved manufacturer ) , potassium di chromate 500gm ( product code-1 . 93615 . 0521 ) ( merck/any approved manufacturer ) , di sodium oxalate 500gm 61758705001730 ( merck/any approved manufacturer ) , tri sodium citrate 500gm 1 . 93619 . 0521 ( merck/any approved manufacturer ) , triplex 100gm ( product code-61780001001730 ) ( merck/any approved manufacturer ) , triothanol amine 500ml ( product code-1 . 94526 . 0521 ) ( merck/any approved manufacturer ) , kovacs reagent 100ml ( product code-0429100100 ) ( loba chemie/any approved manufacturer ) , di potassium hydrogen phosphate 500gm ( product code- 1 . 93630 . 0521 ) ( merck/any approved manufacturer ) , measuring cylinder glass 25 ml , measuring cylinder glass 100 ml , ned dihydrochloride , printer ink b/w , glass beaker 100 ml , glass beaker 200 ml , ammonium iron sulfate hexahydrate 500 gm ( product code 1 . 93641 . 0521 ) ( merck/any approved manufacturer ) , ammonium chloride 500 gm ( product code-1 . 93621 . 0521 ) ( merck/any approved manufacturer ) , antimony 100 gm ( product code-0144100100 ) ( lobachemie /any approved manufacturer ) , bromocresol green 5 gm ( product code-61840100051730 ) ( merck/any approved manufacturer ) , barium hydroxide 500 gm ( ( product code-1 . 93656 . 0521 ) ( merck/any approved manufacturer ) , cobalt chloride 100 gm ( product code-1 . 93652 . 0521 ) ( merck/any approved manufacturer ) , calcium carbonate 500 gm ( product code-1 . 93666 . 0521 ) ( merck/any approved manufacturer ) , copper 500 gm ( product code-0295000500 ) ( loba chemie /any approved manufacturer ) , calcium hydroxide 500 gm ( fischer scientific/any approved manufacturer ) , dodecyl benzene sulfonic acid 100 gm ( product code-rm2170 ) ( hi-media /any approved manufacturer ) , erichrome black t 25 gm ( product code-1 . 93320 . 0026 ) ( merck/any approved manufacturer ) , erichrome cyanine r 10 gm ( product code-0368000010 ) ( loba chemie/any approved manufacturer ) , ferric citrate 500 gm ( product code-0382500500 ) ( loba chemie / any approved manufacturer ) , mercury chloride 100 gm ( product code-1 . 93203 . 0121 ) ( merck/any approved manufacturer ) , methyle orange 25 gm ( product code-60132200251730 ) ( merck/any approved manufacturer ) , methylene blue 25 gm ( product code-39692 ) ( fischer scientific/any approved manufacturer ) , neocuprain 1 gm ( finar/any approved manufacturer ) , 1 , 10 phenanthroline 5 gm ( product code-1 . 94940 . 0006 ) ( merck/any approved manufacturer ) , potassium di hydrogen phosphate 500 g