Filtreringstragte
Tunge filtreringstragte hjælper med at opsamle faste stoffer i væsker. Væsken føres ved vakuumsug gennem porøse skiver eller perforerede plader og løber ud gennem lange, skrå stammer. Almindelige Hirsh- eller Büchner-tragte med ribber forhindrer luftlås og gør filtreringen hurtigere. Den kemiske og termiske modstandsdygtighed gør, at foldede filtreringstragte kan håndtere skrappe stoffer og gentagne steriliseringsprocedurer. Modellerne varierer i kapacitet, porøsitet og størrelsen på det anvendelige filterpapir.
VWR®, Disposable Paper Funnel
Supplier: VWR Collection
Made of clay-coated heavy paper stock.
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DURAN® Funnels with short stem, ribbed
Supplier: DWK Life Sciences
DURAN®, borosilikatglas 3.3, klar, ribbet vægge.
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Funnels with long stem, BOLA
Supplier: Bohlender
Funnels, made of PTFE, white. Conical opening with long outlet.
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Micro-Filter Funnel According to Pregl
Supplier: ROBU GLASFILTER
ROBU® micro-filter funnel according to Pregl with integrated VitraPOR® glass filter is tailored for microanalysis and precise filtration of very small sample volumes.
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Catalog #: 20864.320
: VWR Chemicals
Catalog #: 83640.320
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Catalog #: 31770.294
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Catalog #: 1.00030.2500
: Merck
Catalog #: 83645.320
: VWR Chemicals