Membrane filter
A membrane filter is a matrix with channels which act as a screen and retain particles larger than the filter on the surface of themembrane.
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What is the difference between cellulose and ＂regenerated＂ cellulose?
CelluloseAcetateisaspecifictypeofpolymerusedforlowproteinbindingapplications. Regeneratedcellulose,ontheotherhand,isapurecellulosewhichhasbeentreatedinachemicalbathforbetterchemicalresistance. Ithasalowermolecularweightandthestructureisnota...
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What is the amount of Lignin, if any, in the Cellulose Acetate membranes?
AccordingtotheMSDS,theproductis100%celluloseacetate(CA).SomeLigninmaystillbe foundwithinthemembranematerialdue tothefactthattheLignincomesfromthecellulosecell walls.CAisavailableasamembraneroll,orflatsheet,orsyringefilter....
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What is the thickness of the polypropylene membranes?
Thethicknessesofourpolypropylenemembranesare: 0.1umpolypropylene:75-110um 0.2umpolypropylene:140-180um 0.45umpolypropylene:140-180um...
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What are the maximum filtration volumes for the 17mm and 30mm syringe filters?
The17mmand30mmsyringefiltersoffergreaterfiltrationvolumethansmallerfilters. 17-12ml 17withglassfiberprefilter-20ml 30-120ml 30withglassfiberprefilter-180ml...
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What is the maximum operating temperature for the 17mm and 30mm syringe filters?
The17mmand30mmsyringefiltershaveapolypropylenehousing,whichallowsthemto withstandhighertemperaturesthan an acrylichousing.The17mmand30mmshaveamaximum operatingtemperatureof180C.Theyarealsoabletobeautoclaved....
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What is the function of a binder in the glass fiber filter?
Thebinderspurposeistoincreasestrengthanddirt-loadingcapacitywhiledecreasingfiber slough.Theyareusedforfiltrationoflong durationunderpressure.BindersareAcrylicmaterial addedtotheborosilicateglassfibers. OurTCLPglassfiberfiltershaveaporesizeo...
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Which membranes are recommended for gravimetric analysis?
Wehaveseveralmembranestorecommendforgravimetricanalysis. MixedCelluloseEsters(MCE)MembraneFilters,Plain: Ingravimetricanalysisusingashingtechniques,(MCE)Nitrocellulosefilters yieldaresidueoflessthan0.045%oftheirinitialweight.Theyarehydrophi...
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How is the performance of a filter measured?
Designandmaterialselectiondeterminestheperformanceofafilter.Threeimportantmeasuresoffilterperformanceareflowrate, throughputandbubblepoint,definedasfollows: FlowRate:Determinesthevolumeofliquidorairthatwillflowthroughthefilteratafixedpressur...