Transcription of LACTOSE MONOHYDRATE - uspbpep.com
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LACTOSE MONOHYDRATE - uspbpep.com
EUROPEAN PHARMACOPOEIA monohydrateBulkandtappeddensity( ). Determine the bulkdensity and the tapped density. Calculate the Hausner indexusing the following expression:V0=volume of bulk substance,Vf=volume of tapped substance. - LACTOSE and ( ).Silylation Rand 72 volumes ofpyridine solution. Dissolve about 1 mg of the substance to beexamined in ml ofdimethyl sulphoxide the silylation reagent. Mix gently and allow to stand for20 solution. Prepare a mixture of -lactosemonohydrate Rand - LACTOSE Rhaving an anomeric ratio ofabout 1:1 based on the labelled anomeric contents of the - LACTOSE MONOHYDRATE and - LACTOSE . Dissolve about 1 mgof this mixture in ml ofdimethyl sulphoxide ml of the silylation reagent. Mix gently and allow tostand for 20 : material: glass, size:l= , =4mm, stationary phase:silanised diatomaceous earth for gaschromatography Rimpregnated with 3 per centm/mofpoly[(cyanopropyl)(methyl)][(ph enyl)(methyl)]siloxane gas:helium for chromatography rate:40 : column:215 C, injection port and detector:275 :2 suitability: reference solution: relative retentionwith reference to - LACTOSE : - LACTOSE = about , resolution: minimum between the peaks due to - LACTOSE a
Lactulose EUROPEAN PHARMACOPOEIA 5.0 C. Dissolve0.25gin5mlofwaterR.Add5mlofammoniaR and heat in a water-bath at 80 °C for 10 min. A red colour develops. …
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