Uses and precautions for bottle washing

Chemical dictionary tells you what is a wash bottle, the cleaning method of the wash bottle and the use of precautions, wash bottle is used to inject a fine stream of water to achieve the rinsing of reagents, precipitation and washing vessels, a water container, and equipped with a device to launch a fine stream of liquid. Mainly used for cleaning instruments, equipment, devices and other purposes.

       Washing bottle cleaning method

        1、Check whether the plastic wash bottle is leaking before use. The specific operation is: fill two-thirds of the bottle with water in the plastic wash bottle, screw the plastic cap, turn it upside down (bottle mouth down), observe whether the plastic wash bottle leaks. Repeat the test twice to check whether water leakage, if the plastic washing bottle no water leakage, that is, the plastic does not leak. The plastic bottle can be used only after checking that it does not leak. If a small amount of water is sprayed out of the nozzle, it is normal.

        2, in order to ensure the use of the concentration of detergent, to be adjusted in advance with a beaker, and all the washing solution transferred to the plastic washing bottle. When transferring, use a stirring bar to divert the flow. The method is to put one end of the stirring bar against the inner wall of the neck of the plastic washing bottle, taking care not to let the other parts of the stirring bar touch the mouth of the plastic washing bottle to prevent the liquid from flowing to the outer wall of the plastic washing bottle.

        3, to the plastic wash bottle to add the liquid level from the cap about 4 cm (about two-thirds of the position), tighten the cap. Remember, do not shake the bottle at this time, because the liquid inside may be corrosive, shaking at a large degree, the nozzle may be sprayed with liquid.

        4、When cleaning equipment, if there is a corrosive solution, please make other safety preparations, such as gloves. To avoid the solution splashed on the hands. To hold the place to be cleaned, hand grip light pressure on the bottle, the solution sprayed out, hands relaxed, the bottle to recover.

        5, plastic wash bottle can only be used for cleaning, can not store the solution, because the solution may be corrosive to the bottle, weak acid and alkali does not matter, note that some organic substances may make the wash bottle affected. Plastic wash bottles should be washed clean in time after use.

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