Description
Qualitative filter paper Grade 1291 with a diameter of 185 mm is intended for analytical purposes and general laboratory work when gravimetric analyses are not required. Thanks to their wet strength, these papers can be used for pressure or vacuum filtration. After use, the filter cake can be removed effortlessly from the paper with a water jet or spatula when needed, simplifying sample recovery and cleanup. Packs contain 100 pieces, supporting routine laboratory throughput. Grade 1291 qualitative filter papers from manufacturer Sartorius are suited to everyday separations and preparatory filtration steps in the laboratory. The wet-strength construction helps the medium retain integrity during pressure- or vacuum-assisted work, while easy cake release streamlines post-filtration handling. With a defined diameter of 185 mm, the circles match common laboratory filtration setups. These qualitative papers offer a practical choice for non-gravimetric analytical tasks and general lab filtration where dependable wet handling and straightforward cake removal are important.
This article is part of Filter paper, in Filtration.
Key features
- Pack size: 100 pc(s)
- Storage temperature: Room temperature
- Product type: Qualitative filter paper
- Grade: 1291
- Diameter: 185 mm
- Wet strength: Suitable for pressure and vacuum filtration
Recently viewed
You may also like
Browse related categories
Category
Sub-category
Catalogue
Brand
Questions about Qualitative Papers/ Grade 1291
What is this article?
Qualitative Papers/ Grade 1291 is the article on this page. Luminix Health distributes Sartorius 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.