Filtertrattar
Tungt filtreringstrattar hjälper till att samla upp fasta ämnen i vätskor. Den hällda vätskan dras med vakuum genom sintrade skivor eller perforerade plattor och rinner ut genom långa, vinklade stammar. Vanliga Hirsh- eller Büchner-varianter med räfflor förhindrar luftlås och snabbar upp processen. Kemikalie- och temperaturbeständighet gör att veckade filtreringstrattar klarar hårda ämnen och upprepad sterilisering. Modellerna varierar i kapacitet, porositet och filterpappersstorlek.
VWR®, Disposable Paper Funnel
Supplier: VWR Collection
Made of clay-coated heavy paper stock.
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VWR®, Funnels with Long Stem
Supplier: VWR Collection
Borosilicate 3.3 glass.
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VWR®, Trattar med kort skaft
Supplier: VWR Collection
Borosilikat 3,3 glas.
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Filtrertratt enligt Allihn, VitraPOR®
Supplier: ROBU GLASFILTER
Borsilikatglas 3,3.
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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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Tratt med kort rör, räfflad, DURAN®
Supplier: DWK Life Sciences
DURAN®, borosilikatglas 3.3, klar, räfflade väggar.
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VWR®, Funnels with Short Stem, Disposable
Supplier: VWR Collection
PP or PS.
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Analystratt, DURAN®
Supplier: DWK Life Sciences
DURAN®, borosilikatglas 3.3, klar.
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Filtrertratt, för små volymer, VitraPOR®
Supplier: ROBU GLASFILTER
Borsilikatglas 3,3.
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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 #: 83639.320
Supplier: VWR Chemicals
Catalog #: 20864.320
Supplier: VWR Chemicals
Catalog #: 83640.320
Supplier: VWR Chemicals
Catalog #: 31770.294
Supplier: VWR Chemicals
Catalog #: 1.00030.2500
Supplier: Merck
Catalog #: 83645.320
Supplier: VWR Chemicals