To Sterilize Glycerin or Any Kind of Oil.—Place bottle uncorked in a vessel of boiling water for 2 hours.
TO PREPARE RUBBER TUBING.
Place different sizes in a deep dish of water. Add bicarbonate of soda to make a 10 per cent. solution. Let come to a boil over a slow fire, then with a stiff brush or cloth rub each piece well. This removes all sulphur, leaving a black surface. Rinse several times, then boil in clean water 15 minutes. Boil 15 minutes before immediate use.
TO PREPARE SIX YARDS OF
IODOFORM GAUZE.
Prepare the following solution:
| Sterile iodoform, | ℥iij; |
| Sterile glycerin, | ℥iij. |
Mix thoroughly, gradually add alcohol (95 per cent.), f℥iij, then very quickly, ether, f℥vij. Have gauze ready in desired lengths, and drop into solution. Press gauze uniformly to preserve evenness of color. Work rapidly. Prepare table, hands, and person as for an operation. Roll strips, and place in sterile glass jars.
TO PREPARE IODOFORM GAUZE
(GREEN-SOAP METHOD).
To saturated boric-acid solution Oj, add green soap to make a good suds. Boil half an hour. To this add iodoform ℥j, then boil 15 minutes. When cool add carbolic acid (95 per cent.) ʒj, stir solution, dip gauze, and roll in strips. Keep in sterile glass jars.
Castile soap is a good substitute for green soap.