supply of laboratory chemicals , acetic anhydride ar , acetonitrile - hplc , ammonium thiocyanate ar , benzophenone ar , calibration buffer for conductivity meter ( 5 micro siemens/10 micro siemens ) merck/loba , buffer solution ph 4 . 01 with nist traceable certificate , buffer solution ph 6 . 86 with nist traceable certificate , buffer solution ph 9 . 18 with nist traceable certificate , calcium chloride dihydrate ar , calcium nitrate , carbon tetrachloride ar , cerric ammonium sulphate ar ( nist ) , cerric ammonium nitrate , dibasic sodium phosphate dodicahydrate ( na2hpo4 12h2o ) , disodium hydrogen phosphate ( anhydrous ) ( na2hpo4 ) , ethylene diamine tetra acetic acid ar , ferric chloride , formaldehyde uv , guanine , hexamine , hplc water , hydrochloric acid ar , isopropyl alcohol ar , isopropyl alcohol uv grade , karl fischer reagent pyridine free ( merck ) , methanol uv , methanol hplc , methanol dried ( maximum 0 . 01% water ) , monobasic potassium phosphate , n-pentane ar , peroxide silver co 165 , potassium chloride ar , potassium iodide ar , phenophthalin solution ( indicator ) ar , phenol red solution ar , petroleum ether 40/60 ar , petroleum ether 60/80 ar , silica gel g , sodium carbonate anhydrous ar , sodium chloride ar , sodium lauryl sulphate ar , sodium hypochlorite solution , sodium sulphate anhydrous ar , sodium thiosulphate ar , tetra butyl ammonium hydroxide 0 . 1m solution in isopropyl alcohol , teepol solution ar , triss buffer ar , tween 80 extra pure , xylenol orange solution , zinc chloride , cetrimide agar base - code m024-100g , coagulase plasma from rabbit ( 0 . 1gm/vial ) code fd 248-5vl , fluid thioglycollate ( medium - code mm009 - 500g , macconkey broth-code mh083-100g , macconkey agar-code mh081-100g , mannitol salt agar - code mp118-100g , nutrient broth -code m002-100g , soyabean caesin digest broth -code m011 , soyabean caesin digest agar -code m290 , sabouraud dextrose agar - with chloramphenicol code m1067-500g , pny media-code m835 , rwc media code m500-100g , geobacillus b . steareothermophillus ampoule code la926-1*25 , steam indicator strip code la811-1*250 , e-coli endotoxin ( control standard endotoxin ) , lal reagent water 100ml , limulous amoebocyte lysate reagent ( sensitivity 0 . 125 eu/ml ) 1 . 8ml , arsenic standard for aas ( 1000mg/litre+/litretrace cert