Add the following:
Zinc Sulfide Topical Suspension
(Monograph under this new title—to become official July 1,2007)
(Current monograph title is White Lotion)
»Prepare Zinc Sulfide Topical Suspension as follows:
Zinc Sulfate 40g
Sulfurated Potash 40g
Purified Water,a sufficient quantity
to make		 1000mL
Dissolve the Zinc Sulfate and the Sulfurated Potash separately,each in 450mLof Purified Water,and filter each solution.Add the sulfurated potash solution slowly to the zinc sulfate solution with constant stirring.Then add the required amount of Purified Water,and mix.
NOTE—Prepare the Topical Suspension fresh,and shake it thoroughly before dispensing.
Packaging and storage— Dispense in tight containers.USP28
(Official July 1,2007)
Auxiliary Information— Staff Liaison:Catherine Sheehan,B.Sc.,Scientist
Expert Committee:(EMC)Excipients:Monograph Content
USP28–NF23Page 2057
Pharmacopeial Forum:Volume No.30(2)Page 546
Phone Number:1-301-816-8262