Filtertrechters
Zware filtratietrechters helpen bij het opvangen van vaste stoffen die aanwezig zijn in vloeistoffen. De gegoten vloeistoffen worden door vacuüm via sinterschijven of geperforeerde platen geleid en stromen uit via lange, schuine stelen. Veelvoorkomende Hirsh- of Büchner-modellen met ribbels voorkomen luchtblokkades en versnellen de werking. De chemische en thermische bestendigheid maakt het mogelijk om gefelste trechters te gebruiken met agressieve stoffen en herhaalde sterilisatie. Modellen verschillen in inhoud, porositeit en grootte van passend filterpapier.
Funnels, with short stem, lightweight, Azlon®
Supplier: SciLabware
Made of PP, these translucent lightweight funnels with ribs prevent air locks, allowing rapid filtration.
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Funnels, with standard ground joint cone
Supplier: witeg Labortechnik
Funnels, made of boroslicate glass, with standard ground joint cone, one side flat.
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Disposable funnel for liquids, LaboPlast® / SteriPlast®
Supplier: BURKLE
Disposable funnel for reliable filling of liquids, ideal for filling bottles and other containers with a narrow filler opening.
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Büchner trechters
Supplier: SciLabware
PYREX®, borosilicate glass, with sintered glass disc.
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Micro filter funnels
Supplier: SciLabware
Micro funnels, with sintered disc, made of PYREX® borosilicate glass.
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WHEATON® Filtration Assembly with Stainless Steel Support and No. 5 Stopper Connections, 25 mm
Supplier: DWK Life Sciences
The filtration assembly with fritted glass support is designed to handle small volumes of liquids for analysis of particulate or microbiological contamination.
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Funnels, vacuum, according to Dr. Hirsch
Supplier: SciLabware
PYREX® borosilicate glass.
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Filtration funnels, cylindrical
Supplier: SciLabware
Made of PYREX® borosilicate glass, these are ideal for filtering precipitates.
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Filter funnels according to Hirsch
Supplier: witeg Labortechnik
These fritted disc funnels, made of borosilicate glass, are used in preparative work or in making separations where it is necessary to wash the precipitate and redissolve with chemicals which would attack filter paper.
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Catalog #: 20864.320
: VWR Chemicals
Catalog #: 215-1592
: VWR Collection
Catalog #: 83640.320
: VWR Chemicals
Catalog #: 31770.294
: VWR Chemicals
Catalog #: 1.00030.2500
: Merck
Catalog #: 83645.320
: VWR Chemicals