supply of laboratory chemicals , 1 heptane sulphonic acid sodium salt ar for hplc , 1-10 phenanthroline hydrate ar , 1-butane sodium sulphonate hplc , 1-hexane sulfonic acid sodium salt(anhydrous ar) , 1-octane sulphonic acid sodium salt hplc , 2-methoxy ethanol ar , 2,2,2-trichloroethanol >98.0% (gc) , 2,2,4 trimethyl pentane ar , 2,4 dinitrofluoro benzene ar , 2,6 dichlorophenol indophenol uv ar , 2.0?g/ml aflatoxin b1 & g1 0.5?g/mlaflatoxin b2 & g2 in 10 ml acetonitrile , 4-aminobenzoic acid ar , 4-dimethylaminobenzaldehyde reagent ar , absolute ethanol emparta, merck (specific to the instrument) , acetic acid glacial ar , acetic anhydride ar , acetone ar , acetone hplc , acetonitrile - hplc , aflatoxin mix 4 solution crm 46300sigma-aldrich(1?g/ml b1& g1 and 0.3?g/ml b2 & g2 ) (compatible to instrument sugested by manufacturer) , aluminium oxide ar , ammonia solution (strong) ar , ammonium acetate ar , ammonium dichromate ar , ammonium dihydrogen ortho phosphate ar , ammonium hexa fluorophosphate , ammonium metavanadate ar , ammonium molybdate ar , ammonium oxalate ar , ammonium persulphate ar , ammonium purpurate ar (murexide) , ammonium reineckate 95 % for synthesis , ammonium sulphate anhydrous ar , ammonium thiocyanate ar , arsenic standard for aas trace cert® 1000mg/l as in 2% nitric acid ,39436 - sigma aldrich(compatible to instrument sugested by manufacturer) , benzethonium chloride (hyamine 1622) ar , benzophenone ar , boric acid ar , bromocresol blue solution ar , bromocresol green solution , bromocresol purple ar , bromothymol blue powder , butyl chloride hplc , butylated hydroxy toluene ar , cadmium standard for aas trace cert® (1000mg/l cd in 2% nitric acid , 51994 - sigma aldrich (compatible to instrument sugested by manufacturer) , calcium nitrate ar , calcium standard for aas trace cert® 1000mg/l ca in 2% nitric acid , 69349 - sigma aldrich(compatible to instrument sugested by manufacturer) , calcon(for titrating metal) ar , carbon disulphide ar , casein ar , catechol ar ( benzene-1, 2-diol) , cellulose f-254 ar , ceric ammonium nitrate ar , ceric ammonium sulphate ar , cetyl trimethyl ammonium bromide ar , charcoal activated , chloroacetanilide ar , chloroform (ar) , chloroform (uv) , chloroform hplc , chlorophenol red , citric acid anhydrous ar , citric acid monohydrate ar , conductivity standard solution 1.3?s/cm @ 25°c traceable to nist traceable hamilton(accuracy ±1% stability 12 months)(specific to the instrument) , conductivity standard solution 10?s/cm @ 25°c traceable to nist , congo red paper , copper standard for aas trace cert® 1000mg/l cu in 2% nitric acid , 38996 - sigma aldrich (compatible to instrument sugested by manufacturer) , crystal violet ar , cupric acetate ar , cupric sulphatear , cyanogen bromide (for synthesis) ar , cyclohexane ar , cyclohexane hplc/uv , d - camphor 10 sulphonic acid ar , dextrose ar , di sodium hydrogen phosphate dodecahydrate(na2hpo4.12 h2o) , dibasic ammonium phosphate ar , dibutyl phthalate ar , dibutylamine ar , dichloro methane ar , dichloromethane hplc , diethyl ether ar , diethylamine ar , diethylamine merck (compatible to instrument sugested by manufacturer) , diethylene glycol = 99% gc grade with coa , diisopropylamine ar , dimethyl sulphoxide ar , dimethyl yellow oracet blue b solution , dimethyl yellow solution , dimethylamino benzaldehyde hydrate , dinitrophenyl hydrazine ar , dioctyl sodium sulfosuccinate , diphenylamine ar , dipotassium hydrogen phosphate ar , disinfectent solution containing gluteraldehyde and quarternary ammonium compounds) , disodium hydrogen orthophosphate anhydrous ar , disodium oxalate ar , dithizone 85%ar , dl-tartaric acid ar , dodecyl trimethyl ammonium bromide ar , dragendroff reagent ar , dried methanol (water0.02% max) ar (merck)(specific to the instrument) , edta disodium salt ar , eosin yellow water soluble ar , eriochrome black t indicator , ethyl acetate ar , ethyl acetate hplc , ethylene glycol = 99.8% (ethanediol) gc grade with coa , ethylene glycol ar , ethylene glycol monomethyl ether , fehling solution a ar , fehling solution b ar , ferric ammonium sulphate ar , ferric chloride anhydrous ar , ferric nitrate , ferroin indicatorar , folin & ciocalteus phenol reagent(for enzyme estimation) , formaldehyde solution ar (37% to 41% w/v) , formic acid hplc , glycerin ar , glycerin gc grade , gold single element satndard solution 1000 ppm icpoes grade in hydrochloric acid , guanine ar , heptafluorobutyric acidhplc , hexamine ar , hexylamine ar , hi media aneorobic gas pack 3.5 litre(le002a) , himedia antibiotic assay media no.11 m004 , himedia antibiotic assay medium a mm003 , himedia bismuth sulphate agar 100g m027 , himedia cetrimide agar 100g m024 , himedia coagulase plasma from rabbit(0.1gm/vial) fd 248 5vials per pkt , himedia columbia agar , himedia dey engley medium 500g m1062 , himedia fluid thyoglycollate medium (mm009 ) , himedia geobacillus b stearothermophillus ampoule atcc7953 code la926 , himedia germisol , himedia gram stain kit , himedia mac conkey agar 100g m081 , himedia mac conkey broth 100g mh083 , himedia mannitol salt agar 100g m118 , himedia nutrient agar , himedia nutrient broth , himedia peptone , himedia pny medium , himedia rappaport vassiliadis salmonella enrichment broth , himedia reinforced medium for clostridium , himedia rwc broth , himedia sabourad dextrose agar with chloramphenicol 500g mm1067 , himedia soyabean casein digest agar 500g m290 , himedia soyabean casein digest broth 500g m011 , himedia steam indicator strip code la 811(expiry till 2027) , himedia tween 80 , hplc water , hydrochloric acid ar , hydrochloricacid ar , hydrogen peroxide 30% ar , hydrogen peroxide ar 100 volume , hydrogen peroxide icpoes grade for trace analysis , hydroxylamine hydrochloride ar , icp-oes standard - multi element std solution iv – 1000ppm(23 elements in dilute hno3) with a min shell life of 3 years , icp-oes standard – arsenic-1000ppm with a min shell life of 3 years, traceable to srm from nist h3aso4 in hno3 2-3 % , icp-oes standard – mercury-1000ppm with a min shell life of 3 years,traceable to srm from nist hg (no3)2 in hno3 10% , iodine resublimed ar , iodo platinate spray reagent , iorn standard for aas trace cert@1000mg/l fe in 2% nitric acid, 16596, sigma-aldrich ( (compatible to instrument sugested by manufacturer) , iso amyl alcohol ar , isopropyl alcohol ar , isopropyl alcohol hplc , karl fischer solution pyridine free (merck) (compatible to instrument sugested by manufacturer) , kovacs indole reagent , l-thyrosine extra pure , lal reagent kit containing (a) lal (limulus amoebocyte lysate) reagent reconstituted 5 ml(sensitivity 0.125 eu/ml) , (b) lal (limulus amoebocyte lysate) reagent reconstituted 1.8/2 ml (sensitivity 0.125 eu/ml) (if item no (a) is not available in a 5 ml quantity provide it in a 1.8/2.0 ml quantity) , © lal control standard endotoxin(e.coli endotoxin) , (d) lal reagent water100ml , lead acetate paper , lead nitrate ar , lead standard for aas trace cert® (lead 1000mg/l pb in 2% nitric acid , 16595 - sigma aldrich(compatible to instrument sugested by manufacturer) , light petroleum50/70°c ar , lithium chloride anhydrous ar , lithium methoxide , lithium standard for aas trace cert® 1000mg/l liin 2% nitric acid , 59916 - sigma aldrich(compatible to instrument sugested by manufacturer) , magnesium standard for aas trace cert® 1000mg/l mg in 2% nitric acid , 42992 - sigma aldrich (compatible to instrument sugested by manufacturer) , manganese standard for aas trace cert® 1000mg/l mn in 2% nitric acid , 77036 - sigma aldrich (compatible to instrument sugested by manufacturer) , mercuric chloride paper , mercury (2) iodide , mercury standard for aas trace cert® 1000mg/l hg in 12% nitric acid , 16482- sigma aldrich (compatible to instrument sugested by manufacturer) , methane sulphonic acid ar , methanol hplc 500 ml , methanol hplc , methanol u v , methanol uv , methoxy phenyl acetic acid reagent ar , methyl ethyl ketone ar , methyl ethyl ketone hplc (2-butanone) , methyl orange solution ar , methyl yellow indicator solutionar , methylene blue ar , methylred indicator solution ar , methylthymol blue ar , n- octanol ar , n-(4-amino benzyl)l-glutamic acid ar , n-1 naphthyl ethylene diamine dihydrochloride ar , n-hexane ar , n-hexane hplc , n-hexane uv grade , n-n dimethyl octylamine , n-pentane(hplc grade) , n-propanol ar , nickel (ii) chloride hexahydrate ar , nicotinic acid with nist traceable certificate for uv-vis spectrophotometer calibration , nist buffer ph 10.0±0.01@25°c with certificate (atleast one and half year expiry at thetime of supply) , nist buffer ph 4±0.01@25°cwith certificate (atleast one and half year expiry at thetime of supply) , nist buffer ph 6.86±0.01@25°cwith certificate (atleast one and half year expiry at thetime of supply) , nist buffer ph 7±0.01@25°cwith certificate (atleast one and half year expiry at the time of supply) , nist buffer ph 9.18 with certificate (atleast one and half year expiry at the time of supply) , nitric acid (trace metal grade)for icpoes (minimum shelf life 2 years) , nitric acid 65%merck (100456) (specific to the instrument for acurate results) , nitric acid ar , octoxynol -9 ar , orthophosphoric acid ar , oxidase disc dd018 (50 disc/pkt )(minimum one year expiry at the time of supply) , p-amino antipyrine ar , paraffin oil ar , penicillinase from bacillus cereus; sigma aldrich p.0389-1ku (compatible to instrument sugested by manufacturer) , pepsin ar , perchloric acid ar , periodic acid ar , petroleum ether60º - 80ºc ar , petroleum ether 40º - 60º c ar , ph paper 1 to14 , ph paper litmus blue & red , phenolphthalein ar , phenolphthalein solution , potassium bicarbonatear , potassium bromate ar , potassium bromide ar , potassium carbonate ar , potassium chloratear , potassium chloride ar , potassium dichromate with (nist traceable) certificate for uv spectrophotometer calibration , potassium dihydrogen orthophosphate ar , potassium ferricyanide ar , potassium hydrogen phthalate ar , potassium hydrogen phthalate nist traceable/ primary referance standard , potassium hydroxide ar , potassium iodide (221945) > 99.0% sigma aldrich (compatible to instrument sugested by manufacturer) , potassium iodide ar , potassium permanganate ar , potassium pyroantimonate ar , potassium standard for aas trace cert® 1000mg/l k in 2% nitric acid , 96665 - sigma aldrich (compatible to instrument sugested by manufacturer) , potassium sulphate ar , potassium thiocyanate ar , propyl hydroxy benzoate ar , propylene glycol = 99.5% gc grade with coa , pyridine ar , quechers dspe kit(1200 mg mgso4+400 mg psa+400 mg c18+400 mg gcb tube size :15 ml) , resorcinol ar , selenium standard for aastrace cert® 1000mg/l sein 2% nitric acid , 89498 - sigma aldrich(compatible to instrument sugested by manufacturer) , silica gel g fine, white homogenous powder of an average particle size between 10 & 20?m containing about 13% w/w of calcium sulphate hemihydrate (caso4 1/2 h2o) , silica gel gf , silica gel gf 254, silica gel d/uv 254, fine, white, homogeneous powder of an average particle size between 10 & 20 ?m containing about 13% w/w of calcium sulphate hemihydrate ( caso4 1/2 h2o) & about 1.5% w/w of an fluoresent indicator having a maximum intensity at above 245nm. , silica gel h for tlc , silica gel hf 254ar , sodiumhypochlorite solution(availble chlorine 3% w/v)lr/ ar , sodiumhypochlorite solution(availble chlorine 5% w/v) lr/ ar , sodium acetate anhydrous ar , sodium borate ar , sodium borohydride sigma 16940-66-2 (compatible to instrument sugested by manufacturer) , sodium chloride ar , sodium dihydrogen orthophosphate ar anhydrous , sodium dihydrogen orthophosphate monohydrate ar , sodium dihydrogen phosphate ar , sodium dithionate ar , sodium hydroxide merck (compatible to instrument sugested by manufacturer) , sodium hydroxide pellets ar , sodium lauryl sulphate ar , sodium lauryl sulphate ar(merk/thermofisher) specific to the instrument , sodium metabisulphitear , sodium nitrite ar , sodium nitro prusside ar , sodium perchlorate monohydrate ar , sodium periodate(ar) , sodium potassium tartrate ar , sodium salicylate ar , sodium salicylate emsure , sodium standard for aas trace cert® 1000mg/lna in 2% nitric acid ,05201 - sigma aldrich (compatible to instrument sugested by manufacturer) , sodium sulphate anhydrous ar , sodium sulphide ar , sodium thiosulphate ar , sodium tungstate hydrate ar , starch ar , sucrose ar , sulphanilamide ar , sulphuric acid (nitrogen free) ar , sulphuric acid ar , tartaric acid ar , taurine ar , tetra butyl ammonium bromide ar , tetra butyl ammonium hydrochloride ar (0.1n in isopropanol) , tetra butyl ammonium hydrogen sulphate ar , tetra butyl ammonium hydroxide 40% in methanol ar , tetra heptyl ammonium bromidear , tetra methyl ammoniumhydrogen sulphate ar , tetrabutyl ammonium hydroxide ar grade , tetradecyl ammonium bromide ar for hplc , tetrahydrofuran ar , tetrahydrofuran hplc , thioacetamide ar , thioglycolic acid ar80% , thymol blue indicator solution , thymol blue powder ar , toluene ar , toluene uv grade , tri sodium orthophosphate ar , trichloro acetic acid ar , triethanolamine hplc , triethylamine hplc , trisodium citrate ar , trypsinar , tween 20 , tween 80 ar , urea ar , wijs iodine solution ar , xylenol orange ar , zinc granulated ar , zinc metal ar(granulated) , zinc powder(dust) , zinc sulphate ar