Jinan Youlyy Industrial Co., Ltd.

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Culture Tubes

Culture Tubes, a commonly used instrument in chemical laboratories, is used as a reaction vessel for small amounts of reagents. It should be used at room temperature or when heated (preheating should be done before heating, otherwise the test tube is prone to bursting). Culture Tubes are divided into common test tubes, test tubes, and centrifuge tubes. The specifications of the ordinary test tube are expressed by an outer diameter (mm) × a length (mm), such as 15 × 150, 18 × 180, 20 × 200, and so on.
Basic use
(1) Take liquid or solid reagents.
(2) Heat a small amount of solid or liquid.
(3) Prepare a small amount of gas reactor.
(4) Collect a small amount of gas.
(5) Solutes that dissolve a small amount of gas, liquid or solid.
(6) As a container for the container during centrifugation.
(7) A reaction vessel used as a small amount of reagent, which is used at normal temperature or under heating.
Precautions
(1) Do not exceed 1/2 of the tube capacity when loading the solution, and do not exceed 1/3 of the tube capacity when heated.
(2) When adding liquid to the test tube with a dropper, it should be suspended and dropped, and should not protrude into the test tube.
(3) Take the block solids and put them into the test tube mouth with the tweezers. Then slowly erect the test tube to slide the solid into the bottom of the test tube. The solid cannot fall directly to prevent the bottom of the test tube from rupturing.
(4) Use the test tube holder for heating, and the test tube mouth should not face the person. When the test tube containing the solid is heated, the nozzle is slightly downward, and the liquid is tilted by about 45°.
(5) It should be evenly heated to avoid bumping or bursting of test tubes.
(6) It cannot be quenched after heating to prevent cracking.
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