10411111-PTFE membrane circles TE38 5 um 47 mm 50/PK.
WTP membranes use a polypropylene grid as the support material whereas the
TE range uses a randomly arranged polypropylene support material.
Rs.17,452.50 Rs.23,270.00
Whatman PTFE membranes are chemically stable and inert.
They are suitable for applications involving aggressive organic solvents, strong acids and alkalis.
PTFE membranes are particularly suitable for preparing
samples for HPLC analysis.
The hydrophobic nature of the membrane also has applications for air and gas sterilization#.
The membrane is laminated onto a non-woven polypropylene support web for improved strength and handling, and can be used at temperatures up to 120ºC.
Grade 5: 2.5 μm*
The maximum degree of fine particle filtration in the qualitative range.
Capable of retaining the fine precipitates encountered in chemical analysis.
Slow flow rate.
Excellent clarifying filter for cloudy suspensions and for water and soil analysis.
Also available prepleated as Grade 5V.
Grade GF10 Reel 35 mm x 30 m Core 70 mm 1/PK
This filter with extreme mechanical stability and temperature resistant up to 180°C is used
as a weighing aid for infrared weighing and as a roll filter in automatic air filtration units.
Grade 43: 16 μm*
Intermediate in retention between Grades 40 and 41, and twice as fast as Grade 40.
Typical applications include foodstuffs analysis, soil analysis, particle collection in
air pollution monitoring for subsequent analysis by XRF techniques, and inorganic
analysis in the construction, mining, and steel industries.
Offers fine particle retention and high flow rate, as well as good loading capacity.
Used for high-efficiency general purpose laboratory filtration, including water pollution monitoring of effluents, for filtration of water, algae and bacteria cultures, food stuff analyses, protein filtration, and radioimmunoassay of weak ß emitters.
Recommended for gravimetric determination of airborne particulates, stack sampling, and absorption
methods of air pollution monitoring.
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