Durham Glass Test Tubes

Product Size:length 6(diameter)*30(length)mm;
Optional ordinary glasses / High borax glasses material;
Single product net weight:0.8g ± 0.1g.

Main Application:It is used to observe the gas production of bacteria in sugar fermentation medium.

The durham glass test tube is a commonly used instrument in the morning experiment. Put the calibration catheter upside down into the test tube for multi tube fermentation to determine whether there are deflated bacteria in the water. If there are metabolic deflated bacteria, it will be inverted after a period of culture
Gas can be observed in small durham tubes.
We may have other stock sizes durham glass test tubes,please email us directly.
Other Application:observing tiny insects, used as sample perfume bottles.

General Packing:1000pcs/Bag