supply of chemical-1 meat extract powder ( peptone b powder ) -a dehydrated meat tissue powder for bacteriological media preparation, yellow to brownish, homogeneous free flowing powder; freely soluble in distilled water; nph 6.10 – 7.10 n 2 liver extract powder-for cultivation of fastidious anaerobic bacteria; brownish yellow; homogenous free flowing powder; freely soluble in distilled water; nph 6.00 – 7.00 n 3 surface & environmental disinfectant eco- friendly solution 100 gm containing, 40 gm ethanol, 10 gmproponol, 0.018 gmglutaraldehyde 8% benzalkonium chloride , 0.01 gm -5 bromo, 5- nitro -1, 3 dioxycyclohexane ( bottle with hand sprayer ) 4 hand & skin disinfectant eco- friendly solution 100 gm containing: 70 gm 2 propanol 0.5 gmchlorohexidinedigluconate, 1.5 gm -h2o2 solution ( 30% ) ( with dispenser )