Description
Test tube 16 x 235 mm graduated 25:0,2 ml is a laboratory glass vessel made from DURAN tubing and fitted with an NS-PE stopper. The tube has a round bottom, ground joint NS 14/23 and outer dimensions of 16 mm diameter by 235 mm height. Clear graduation marks allow volume reading up to 25 ml in 0,2 ml steps, which is useful for sample preparation, reagent dosing and general analytical procedures. The polyethylene stopper matches the NS 14/23 joint and provides a secure closure for short-term liquid holding or transport. Available from manufacturer Witeg as a single piece, this graduated test tube is designed for routine laboratory work in research, industrial quality control and educational settings. Net weight is 0,03 kg. Constructed from DURAN tubing with round-bottom geometry and a standard NS joint, it serves as a practical reagent or sample tube whenever a stoppered, graduated format of this length and capacity is needed.
This article is part of Test tubes, in Tubes & vials.
Key features
- Pack size: 1 pc
- Dimensions: Ø 16 x 235 mm
- Joint size: NS 14/23
- Graduation: 25:0,2 ml
- Bottom shape: Round bottom
- Stopper: NS-PE stopper
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Questions about Test tubes, with ST-PE-stopper, made f
What is this article?
Test tubes, with ST-PE-stopper, made f is the article on this page. Luminix Health distributes Witeg 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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Shelves beside this one are Centrifuge tubes (conical), Sample vials & NMR tubes and Tube & vial accessories.
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