Лабораторная качественная фильтровальная бумага круглая медицинская 20 / 24 25 30 32 35 40/45/49 5 см для художественной


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Характеристики





Introduction and Application


Qualitative Filter Paper
Size can be customized to meet various requirements
100PCS=1BOX




It is mainly used for qualitative chemical analysis, filtration separation and production of test paper of corresponding purity. The filtration function is to filter out the mixture of solid and liquid so as to achieve better separation of solid and liquid. Applied to scientific research, industry, agriculture, medical and health, colleges and universities, teaching experiments, environmental protection testing, etc.


Technical Parameter




Material
Cotton fibre
Shape
Round
Diameter
20 / 24 / 25 / 30 / 32 / 35 / 40 / 45 / 49.5 cm (can be customized)

Filter paper Aperture & Filtration Speed
Fast: Aperture 10-12 μm,  (speed 25~35s)
Medium: Aperture 7-8 μm, (speed 50~60s)
Slow: Aperture 3-4 μm, (speed 80~90s)

Remark
Qualitative analysis filter paper generally has a large amount of residual ash, which is only used for general qualitative analysis and for filtering suspended matter in precipitation or solution, but can not be used for quality analysis.


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