Test tubes are used for many laboratory applications. Here are the main ones:
Biology: In microbiology, test tubes are often used to grow microorganisms.
Clinical applications: Test tubes are used to prepare and test biological samples, such as blood or urine. There are several types of blood collection tubes, which are distinguished by the color of their caps (see question 2). They are commonly called VacutainerⓇ tubes, after the brand that originated...
laboratory test tube
231 series
Capacity: 2, 3, 4, 5, 1 ml
... and accurately vacuum adding needed additive make blood-collection very simple, and could guarantee the test result is veracious. Making use of needle holder could hold and change blood ...
laboratory test tube
BD Micro-container
External diameter: 10 mm
Height: 45 mm
... Microtainer® tubes with BD Microgard™ closure fit into 13 x 75mm racks. To ensure tube identification, the tubes are marked with the colour code that corresponds to the venous blood ...
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