Beschrijving
Qualitative filter paper, 90 mm is a circular laboratory filtration medium for routine qualitative separations in chemical and analytical work. With a basis weight of 80 g/m² and a slow filtration rate, it supports gravity-driven clarification and precipitate collection where controlled flow is preferred over rapid throughput. The 90 mm diameter matches common funnel sizes used on teaching benches, quality-control stations, and general wet-chemistry setups. Each unit supplies 100 pc(s), giving a practical stock quantity for parallel filtrations and everyday sample preparation. Slow drainage behaviour helps retain finer particulate matter and can yield clearer filtrates under moderate particle loads. These qualitative papers from manufacturer filtraTECH fit standard laboratory material inventories without specialised pretreatments. Typical uses include clarifying solutions, isolating precipitates for visual assessment, and preparing filtrates ahead of further qualitative checks. Consistent sheet weight aids reproducible handling from one run to the next. This 90 mm slow-grade option balances retention characteristics with manageable filtration time for day-to-day qualitative laboratory protocols.
This article is part of Filter paper, in Filtration.
Key features
- Pack size: 100 pc(s)
- Type: Qualitative filter paper
- Diameter: 90 mm
- Basis weight: 80 g/m²
- Filtration speed: Slow
- Form: Circular sheets
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Questions about Qualitative filter paper, 90 mm
What is this article?
Qualitative filter paper, 90 mm is the article on this page. Luminix Health distributes filtraTECH for laboratory use. It sits in Filter paper, inside Filtration, in Verbruiksartikelen.
Filter paper is a cellulose sheet of a stated retention and speed. Qualitative paper clarifies. Quantitative, ashless paper is for a precipitate that will be weighed or ashed, because the paper itself leaves almost no ash. The diameter has to match the funnel.
Filtration holds back what is larger than the pores and lets the rest through. Paper is the ordinary laboratory filter. A membrane has a stated pore size and a polymer that must survive the solvent. A syringe filter is that membrane in a housing on a syringe. Glass fibre takes a higher dirt load. Ultrafiltration holds back macromolecules and passes salts. The pore size, the chemical compatibility and the volume are the three choices. Laboratory apparatus around filtration is indexed under ISO laboratory apparatus.
Which category should I open next?
The category is Filtration. The sub-category is Filter paper. The catalogue is Verbruiksartikelen.
Shelves beside this one are Sintered glass filter plates & discs, Syringe filters, Filter cartridges & capsules, Membrane filters, Glass & quartz fibre filters, Bottle-top & vacuum filtration units, Ultrafiltration & concentrators, Filtration accessories, Extraction thimbles and Dialysis tubing & devices.
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When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.