. ONTARIO SESSIONAL PAPERS, 1914, 1914 PROVINCIAL BOAIW (»F HEALTH. 211 the empty boxes were placed on the left. The hot water tap was adjusted soastosend out a jet of water with some little force; then taking a Petri dish cover in onehand and the bottom in the other the_y were thrust under the jet. The agar wasfound to be taken off completely in but a second or so and the dishes were puttogether and placed in au empty box. As each box was filled tlie cover was closedand itwas placed on its side to drain. (Note, tliis method is only recommendedwhere clean hot water is available for e
. ONTARIO SESSIONAL PAPERS, 1914, 1914 PROVINCIAL BOAIW (»F HEALTH. 211 the empty boxes were placed on the left. The hot water tap was adjusted soastosend out a jet of water with some little force; then taking a Petri dish cover in onehand and the bottom in the other the_y were thrust under the jet. The agar wasfound to be taken off completely in but a second or so and the dishes were puttogether and placed in au empty box. As each box was filled tlie cover was closedand itwas placed on its side to drain. (Note, tliis method is only recommendedwhere clean hot water is available for eacli dish.) By the time all the plates werewashed the first boxes were sufficiently drained to start putting into the hot airsterilizer. All plates, pipettes and bottles were sterilized at a temperature of at least200° Ci for one hour. After filling tlie sterilizer the flame was turned on low- forabout-15 minutes, it was then turned on full and usually required about 45 minutesto raise the contents to 200° C. The timing was started at t
Size: 1226px × 2037px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorontariolegislativeass, bookcentury1900, bookdecade1910
