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Pharmacopoeia APPLICATION BLOOM test on gelatine

Measuring gel power using a compression test or BLOOM value, allows gel consistency to be quantifi ed, in a simple and perfectly defi ned way according to European pharmacopoeia.

    Pharmacopoeia APPLICATION

    Probe

    BLOOM cylinder (diameter: 12.7 mm)

    Software

    TEX’AN Drive

    Temperature recording

    Pt100

    Compression speed

    0,5 mm/s

    Compression distance

    4 mm

Method

After the gel is made, in a bottle of 59mm diameter (+/- 1mm) and 85mm height, start compression at 0.5 mm/s for 4 mm of penetration with the Bloom cylinder at the centre. Maximum Force (Fmax) measured and expressed in grams is the consistency of the gel.

Results

The Force=f(time) curve is traced, if the TEX’AN TOUCH is led through the software and the Fmax value for each sample is measured. In manual mode, the Fmax is automatically displayed on the TEX’AN TOUCH screen after measurement fi nishes. In this example, the Fmax values range from 88g to 142g for gel B. This quick and easy method means the consistency of gelifi ed or pasty products can be differentiated easily.

Do not hesitate to get in touch with us for more information: Phone: +33 (0)4 78 08 54 06 / contact@lamyrheology.com

Pharmacopoeia APPLICATION

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Lamy Rheology is the first French manufacturer of measuring
instruments for laboratories , research and industry.
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