Description
Lid for microtest plates, sterile is a polystyrene (PS) cover intended to protect microtest plates during cell culture and tissue culture work. Supplied sterile and packed as 100 pieces, these lids help limit airborne contamination and support cleaner handling of multiwell plates in routine laboratory workflows. They are suited to ELISA, screening, incubation intervals, and short transfers where a simple physical barrier over the plate is required. Made from PS for light weight and practical everyday use, the lids fit standard microtest plate formats commonly used in life-science research, diagnostics, and quality-control laboratories. From manufacturer Witeg, the pack format supports high plate throughput without frequent reordering. Net weight is 2,387 kg per pack, reflecting bulk laboratory packaging. Use these sterile lids wherever covered microtest plates are needed to maintain sample integrity between process steps, while keeping workflows straightforward and consumable costs predictable for cell and tissue culture media applications.
This article is part of Biological buffers (Tris, HEPES, MOPS), in Buffers & pH solutions.
Key features
- Pack size: 100 pc(s)
- Product type: Lid for microtest plates
- Material: Polystyrene (PS)
- Sterility: Sterile
- Country of origin: Germany
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Questions about Lids f. microtest plates PS
What is this article?
Lids f. microtest plates PS is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Biological buffers (Tris, HEPES, MOPS), inside Buffers & pH solutions, in Lab chemicals.
Tris, HEPES, MOPS and their relatives hold pH in a range that cells and proteins tolerate, with a pKa near the working pH. The useful range is roughly one unit either side of the pKa. A phosphate buffer and Tris are not interchangeable in a method that names one of them, because the ion itself has effects.
A buffer resists a change in pH when a little acid or base is added. It does that because a weak acid and its conjugate base are both present. A pH buffer used to calibrate a meter has a stated value at a stated temperature. A biological buffer such as Tris or HEPES is chosen because it holds the pH of a living system and does not poison it. Conductivity standards are the sister articles for a conductivity meter. The ions are on PubChem. Electrode calibration practice sits with EURAMET and BELAC.
Which category should I open next?
The category is Buffers & pH solutions. The sub-category is Biological buffers (Tris, HEPES, MOPS). The catalogue is Lab chemicals.
Shelves beside this one are pH buffers & conductivity standards and Buffers (other).
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.

