Glass test tubes diameter 15x90mm...
Glass test tubes diameter 15x90mm...

Glass test tubes diameter 15x90mm (Set of 10)

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36.02

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€9.00
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Test tubes made of thick glass (diameter 14/15 mm, length 90 mm) with rubber stopper, packaged by 10, are designed for the storage and observation of insects captured in laboratory or field. Glass has major advantages for entomological conservation: it is chemically inert, does not alter either the specimens or the preservation liquids (alcohol, acetone), allows easy observation thanks to its transparency, effectively preserves the colors and morphology of insects, and offers great durability over time.

 

Technical characteristics

  • Material: Glass
  • Dimensions: Diameter 14/15 mm, length 90 mm
  • Closure: Rubber cap
  • Packaging: Batch of 10 tubes
  • Use: Storage and conservation of captured insects, observation in the field or in the laboratory.

Advantages of glass for entomological conservation

  • Chemical inertness: The glass does not react with preservation liquids (alcohol, acetone), which prevents any alteration of the specimens or the liquid.
  • Easy observation: The transparency of the glass allows easy observation of insects, including with a binocular lens, without having to open the tube, which limits handling and risks of damage.
  • Conservation of colours and morphology: Glass, combined with a suitable liquid (alcohol or acetone), effectively preserves the colouring and structure of insects, particularly for fragile specimens or for educational presentation.
  • Durability: Thick glass is resistant to moderate shocks and does not degrade over time, unlike some plastics that can crack or become opaque.

This type of tube is therefore particularly recommended for the temporary or permanent conservation of insects, both for research and for teaching.

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