näyteputki

Näyteputki is a Finnish term that translates to "sample tube" or "test tube" in English. It refers to a common laboratory vessel used for holding, mixing, and heating small quantities of liquid or solid samples. These tubes are typically cylindrical with a rounded or flat bottom and an open top.

Näyteputki can be made from various materials, including glass and plastic. Glass tubes offer excellent chemical resistance and can withstand high temperatures, making them suitable for heating and sterilization. Plastic tubes, on the other hand, are generally less breakable and more cost-effective, often used for routine testing where high temperatures are not required.

The size and shape of a näyteputki can vary depending on its intended use. Smaller tubes are used for micro-scale experiments, while larger ones can accommodate greater volumes. Some näyteputki are designed with stoppers or caps to prevent evaporation or contamination of the sample.

Common applications for näyteputki include chemical reactions, biological experiments, blood collection, and various diagnostic tests in medical and research laboratories. Their simplicity and versatility make them indispensable tools in scientific disciplines. The term is widely understood and used in Finnish scientific and educational contexts.