Beschrijving
Cover glasses for microscopy 20 mm Ø, No. 1 are high-quality circular slips made from chemically resistant borosilicate glass D 263® M belonging to the first hydrolytic class. Featuring a 20 mm diameter and No. 1 thickness, they provide excellent optical clarity for standard and advanced microscopic examinations. Each carton contains 1,000 pieces, conveniently packed as 100 pieces per hinged box for easy handling at the bench. These cover glasses from Marienfeld are CE-marked and carry batch numbers that guarantee complete traceability in accordance with EU Regulation 2017/746 for in-vitro diagnostic devices (IVDR). The robust chemical resistance of the glass supports diverse staining protocols and mounting media. Bulk packaging of 100,000 pieces is offered for laboratories with elevated consumption, ensuring consistent quality across large series of preparations.
This article is part of Microscope slides & cover glasses, in Microscopy & histology.
Key features
- Pack size: 1,000 pc(s)
- Diameter: 20 mm
- Thickness grade: No. 1
- Material: Borosilicate glass D 263® M
- Hydrolytic class: First
- EAN: 4250317300720
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Questions about Microscope cover glasses 20 mm Ø, No. 1,
What is this article?
Microscope cover glasses 20 mm Ø, No. 1, is the article on this page. Luminix Health distributes Marienfeld for laboratory use. It sits in Objectglaasjes & dekglaasjes, inside Microscopie & histologie, in Instrumenten.
A slide is the glass a specimen sits on. A cover glass is the thin sheet over it, of a thickness the objective was designed for. A cover glass of the wrong thickness softens the image. Charged and plain slides hold sections differently.
A light microscope forms an image with glass lenses and transmitted or reflected light. A stereo microscope is the lower-magnification instrument for dissecting and for looking at a surface. Fluorescence needs a light source and filters matched to the dye. Histology is the preparation that makes a tissue readable: fixation, a cassette, a section, a stain. The objective's magnification and numerical aperture decide the resolution. The slide and the cover glass decide whether the section sits in the focal plane. Stains and dyes as substances are identified on PubChem. Papers on the methods are on PubMed.
Which category should I open next?
The category is Microscopie & histologie. The sub-category is Objectglaasjes & dekglaasjes. The catalogue is Instrumenten.
Shelves beside this one are Microscoopobjectieven, oculairs & optiek, Histologiecassettes & mallen, Telkamers & hemocytometers, Stereomicroscopen, Licht- & fluorescentiemicroscopen, Histologiereagentia & verbruiksartikelen, Microscopieaccessoires, Koudlichtbronnen & verlichting and Digitale & USB-microscopen.
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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.
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.


