Method Treatment of 8,9 anhydroerythromycin 6,9 hemiketal with iodine in the alkaline solution provided corresponding N monodemethylated 12 membered ring erythromycin derivative.
Kinetic constant and apparent activation energy of iodine catalytic reaction of ascorbic acid oxidation Naphth Green B have been determined by spectrophotometric method.
The umbilical cord can be tied with unwaxed dental floss, and cut on the far side of the time about two inches from the abdomen.The cut end should be painted with iodine to prevent infection.