supply of chemicals chemicals , aluminium potassium sulphatemin.assay 99% powder , di-potassium hydrogen phosphate ( k2hpo4 ) min.assay 99% , ph ( 5%aq. sol ) 8.5-9.5 , formaldehyde min.assay 37-41%w / v contents of methanol 8-14%w / v , peptone bacteriological ( granular ) nitrogen content on dry basis 14 -16 %, ph ( 2%sol. ) 6-6.5 , potassiumdi hydrogen phosphate ( kh2po4 ) min.assay 99.5%ph ( 5% aq.sol ) 4-4.5 , trypsin 1:2000min.assay 0.2 anson unit / gm, fine powder , sodium thioglycolate powder for bacteriologymin.assay 98%& above, fine powder , glucose ( dextrose anhydrous ) min. purity. 99% , sodium chloride ( nacl ) min. assay 99% ph ( 5%dq. sola5.0-8.0 ) , sodium hydroxide pellets ( naoh ) min. assay 98% , neutral detergent for laboratory glassware washingneutral , surface & environmental disinfectanteco- friendly solution 100 gm containing, 40 gm ethanol, 10 gm proponol, 0.018 gm glutaraldehyde 8% benzalkonium chloride , 0.01 gm -5 bromo, 5- nitro -1, 3 dioxycyclohexane , hand & skin disinfectant solution each 100 gm containing: 2 propanol i.p. 45 gms., 1 propanol 30 gms., ethyl hexadecyl-dimethyl ammonium ethylsulphate – 0.2gms., ( mecetronium ethyl sulphate ) with dispenser