Transcription of 2.8.16. DRY RESIDUE OF EXTRACTS - uspbpep.com
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2.8.16. DRY RESIDUE OF EXTRACTS - uspbpep.com
Dry RESIDUE of extractsEUROPEAN PHARMACOPOEIA with solution D prepare the following sequence ofdilutions:Solution D (ml) R(ml) the number of millilitres of solution D which,when diluted to ml withwater R,stillhasabittertaste (X).Calculate the bitterness value for each panel member fromthe expression:Calculate the bitterness value of the sample to be examinedas the average value for all panel DRY RESIDUE OF EXTRACTSIn a flat-bottomed dish about 50 mm in diameter and about30 mm in height, introduce rapidly g or ml ofthe extract to be examined. Evaporate to dryness on awater-bath and dry in an oven at 100-105 C for 3 h. Allowto cool in a desiccator overdiphosphorus pentoxide Roranhydrous silica gel Rand weigh. Calculate the result as amass percentage or in grams per LOSS ON DRYING OFEXTRACTSIn a flat-bottomed dish about 50 mm in diameter and about30 mm in height, weigh rapidly g of the extract to beexamined, finely powdered. Dry in an oven at 100-105 Cfor 3 h.
2.8.16. Dry residue of extracts EUROPEAN PHARMACOPOEIA 6.0 Starting with solution D prepare the following sequence of dilutions: Solution D (ml) 1.2 1.5 2.0 3.0 6.0 8.0 water R (ml) 8.8 8.5 8.0 7.0 4.0 2.0
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