laboratory crm and chemicals laboratory crm and chemicals , supply , hydranal-coulomat ag-h, p / n 34843-500 ml , silica gel ( 100-200 mesh, f / fia analysis ) , cyanide reagent 0.002 to 0.5mg / l , silicate test kit , 1, 2-dimethoxyethane;>98% , crm for viscosity , standard for kinematic viscosity for atf , crm for freezing point std. , icp multi element std. solution ( oil ) , tester, micro carbon residue of crm , icp-multi-element standards - 23 element , crm for saybolt colour std. , reagent, fia, std dyed gel, uop cat no:675 , crm f / total acid number, 1.0 mg koh / g , crm f / total acid number, 0.5mg koh / g , crm f / total acid number, 0.1mg koh / g , crm for pot hyd pthalate , manganese in water- 1 ppm , density of diesel-crm , crm for flash point ( abel ) std. , crm for flash point ( pmcc ) std. , distillation crm:method astm d 86, ip123 , crm for pour point std. , potassium dihydrogen phosphate, 99.5ar / gr , sodium metabisulphite ar, pack : 500 g , acetone, lr , calcium chloride , n-pentane, hplc grade , hydrochloric acid, ar , methanol ( specially dried ) , toluene, hplc , ferroin / indicator / ar grade 100 ml pack , zinc acetate extra pure- pack - 500 g , ammonium acetate molbio , phenanthroline monohydrate-1, 10 , potato dextrose broth , peptone , bile salts mixture , ferrous-ii ammonium sulphate hexahydrat , oxalic acid dihydrate, sillica anal , citric acid , ferric chloride, ar , potassium dichromate, lr / synthesis / ar , xylene, gr, 2.5ltr , certified refrence material astm d 4815 , crm per d-5580 with internal standard , crm for napthalene in atf. , base oil 20 cst for icp, 500 ml , blank oil 20 cst for icp, 500 ml , icp solvent or zero point standard , organomettalic stock std, ytrrium , organometallic stock std copper , petroleum ether, ( 40-60 ) , 2.5ltr , l-glutamic acid , standard , d ( + ) glucose anhydrous , standard , cod solution.a for cod-lr / hr ( make-merck ) , cod-soln.b for cod-lr ( make-merck )