Transcription of 2.9.20. PARTICULATE CONTAMINATION: VISIBLE …
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2.9.20. PARTICULATE CONTAMINATION: VISIBLE …
PARTICULATE contamination : VISIBLE particlesEUROPEAN PHARMACOPOEIA the inside of the filter holder fitted with the membranefilter with several millilitres ofparticle-free water the filtration funnel the total volume of a solution pool orof a single unit, and apply vacuum. If needed, add stepwisea portion of the solution until the entire volume is the last addition of solution, begin rinsing the innerwalls of the filter holder by using a jet ofparticle-freewater R. Maintain the vacuum until the surface of themembrane filter is free from liquid. Place the filter in a Petridish and allow the filter to air-dry with the cover slightlyajar. After the filter has been dried, place the Petri dish onthestageofthemicroscope,scantheentirem embranefilterunder the reflected light from the illuminating device, andcount the number of particles that are equal to or greaterthan 10 m and the number of particles that are equal toor greater than 25 m.
2.9.20. Particulate contamination: visible particles EUROPEAN PHARMACOPOEIA 6.0 Wet the inside of the filter holder fitted with the membrane filter with several millilitres ofparticle-free water R.Transfer to the filtration funnel the total volume of a solution pool or
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