Description
Quantitative filter paper, 90 mm, is a circular laboratory filtration medium with a basis weight of 84 g/m² and medium filtration behaviour, identified by the red-dot grade marking. It is intended for quantitative analytical work where reproducible particle retention and steady flow support gravimetric determinations, sample clarification, and routine preparation steps. The 90 mm diameter suits common funnels and filtration holders used across chemical, environmental, and quality-control laboratories. Medium-grade performance offers a practical balance between retention and throughput for many aqueous and organic filtrations without unnecessary complexity in handling. Packs contain 100 pieces, enabling convenient stock for repeated analytical series and teaching or routine bench use. Manufactured by filtraTECH, these discs provide a clear, application-focused option for everyday quantitative filtration tasks that call for consistent paper quality and a standardised circular format ready for immediate laboratory deployment.
This article is part of Filter paper, in Filtration.
Key features
- Pack size: 100 pc(s)
- Product type: Quantitative filter paper
- Basis weight: 84 g/m²
- Filtration grade: Medium (red dot)
- Diameter: 90 mm
- Format: Circular discs
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Questions about Quantitative filter paper, 90 mm
What is this article?
Quantitative 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 Lab consumables.
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 Lab consumables.
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.
What should I check before I order?
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.
How does ordering and shipping work?
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.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.