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BetamethasoneGel (0.1%) 1.Formulation I.Betamethasonevalerate...........................0.1g Ethanol96%..........................................10.0g Propyleneglycol[1]................................20.0g II.LutrolF127[1].......................................22.0g Water.....................................................47.0g 2.Manufacturing PreparethesolutionIatroomtemperatureandsolutionIIatabout6C (orat>70C).Mixbothsolutions.Maintainthetemperatureuntiltheair bubblesdisappeared. 3.Propertiesofthegel Theobtainedgelisclearandcolourless. 4.Remark Perhapsacertainamounto fpropyleneglycolcouldbesubstitutedby water.
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