Description
ELKA test tubes with beaded rim are cylindrical laboratory vessels intended for chemical, analytical and educational applications. Measuring approximately 120 mm in length and 16 mm in diameter, they offer a convenient working volume for sample preparation, reagent mixing, qualitative analysis and temporary storage of liquids or solids. Made from soda-lime glass, the tubes provide clear visibility of contents together with the mechanical robustness required for routine bench use. The characteristic beaded rim reinforces the mouth, improves handling safety and eases stopper insertion or pouring while lowering the risk of edge damage. Available in packs of 100 pieces from manufacturer Hecht, these tubes seat reliably in standard racks and support parallel experimental series. Consistent dimensions promote reproducible placement in heating blocks or water baths and simplify visual monitoring. Well suited to precipitation tests, colour reactions, basic culture work and general wet-chemistry protocols, ELKA tubes serve as dependable everyday glassware in teaching labs, quality-control workflows and research environments that rely on soda-lime glass reaction and sample tubes.
This article is part of Test tubes, in Tubes & vials.
Key features
- Pack size: 100 pc(s)
- Product line: ELKA
- Rim type: Beaded rim
- Material: Soda-lime glass
- Length: approx. 120 mm
- Diameter: 16 mm
- Technical Information Sheet:
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Questions about Test tubes ELKA, with rim mm Ø ca. 120 x 16
What is this article?
Test tubes ELKA, with rim mm Ø ca. 120 x 16 is the article on this page. Luminix Health distributes Hecht for laboratory use. It sits in Test tubes, inside Tubes & vials, in Labware.
A test tube is the open cylindrical vessel for a small liquid, in borosilicate glass or in plastic. Rimmed and rimless mouths differ. The size is diameter by length. It is not graduated for a result, and a glass tube that will be centrifuged has a force limit.
A tube holds a small sample upright. A test tube is the open glass or plastic cylinder. A centrifuge tube is conical so a pellet forms at the tip, and it is rated for a centrifugal force the rotor will actually reach. A vial is a small closed bottle, often for a sample that will sit in an instrument. NMR tubes are a special case: the glass has to be uniform or the spectrum is the tube, not the sample. Laboratory ware is listed under ISO laboratory glassware.
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