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Liquid Viewer

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  • Liquid Viewer
    VIEWER 1200
    EP <2.9.20>

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    This Liquid Viewer offers a simple method to detect visible particles in transparent liquids. It is designed according to the European Pharmacopoeia Specification <2.9.20>.
    Features:
     
    • According to the European Pharmacopoeia Specification <2.9.20>
    • Matt black panel of appropriate size held in a vertical position.
    • Non-glare white panel of appropriate size held in a vertical position next to the black panel.
    • An adjustable lamp-holder fitted with a suitable, shaded, white-light source and with a suitable light diffuser (a viewing illuminator containing two 13 W fluorescent tubes, each 525 mm in length, is suitable).
    • The intensity of illumination at the viewing point is maintained between 2000 lux and 3750 lux. Higher values are preferable for coloured glass and plastic containers.
    Method:
     
    • Remove any adherent labels from the container and wash and dry the outside.
    • Gently swirl or invert the container, ensuring that air bubbles are not introduced
    • Observe for about 5 seconds in front of the white panel.
    • Repeat the procedure in front of the black panel.
    • Record the presence of any particles.
    Details