Description
ELKA test tubes with beaded rim are cylindrical laboratory vessels for routine chemical, analytical and educational work. Each tube measures approximately 100 mm in length and 16 mm in diameter, providing a practical format for sample preparation, reagent mixing, qualitative tests and short-term holding of liquids or solids. Manufactured from soda-lime glass, they combine good optical clarity with the mechanical stability needed for everyday bench procedures. The reinforced beaded rim strengthens the open end, improves grip during handling and facilitates stopper insertion or controlled pouring while helping to reduce chipping. Supplied in packs of 100 pieces from manufacturer Hecht, these tubes fit standard racks and support consistent parallel experiments. Uniform dimensions aid visual inspection and reproducible placement in heating blocks or water baths. Suitable for precipitation reactions, colour observations, simple culture steps and general wet-chemistry workflows, ELKA tubes remain a reliable consumable in teaching laboratories, quality-control environments and research settings that require dependable 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. 100 mm
- Diameter: 16 mm
- Technical Information Sheet:
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Questions about Test tubes ELKA, with rim mm Ø ca. 100 x 16
What is this article?
Test tubes ELKA, with rim mm Ø ca. 100 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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