Incubator use attention detail

Use the incubator to note some technical details:

(1) The incubator should be managed by a special person. Do not twist any switch and adjustment knob on the operation panel once it is fixed, so as not to affect the temperature inside the box, the fluctuation of CO2 and humidity, and reduce the sensitivity of the machine.

(2) The water to be added must be distilled water or non-ionized water to prevent the mineral deposits from corroding in the water tank. Water must be changed every year. Always check if there is enough water in the box.

(3) The tank should be regularly disinfected with disinfectant, and the shelf can be taken out for cleaning and disinfection to prevent other microbial contamination, resulting in failure of the experiment.

(4) Regularly check the over-temperature safety device to prevent over-temperature. The method is to press the monitoring alarm button, turn the fixing screw until the over-temperature alarm device rings, and then turn off the over-temperature safety light.

(5) If carbon dioxide is not used for a long time, the CO2 switch should be turned off to prevent the CO2 regulator from malfunctioning.

(6) The CO2 used must be pure, otherwise reduce the sensitivity of the CO2 sensor and contaminate the CO2 filter unit.

(7) In the incubator without humidity control, in order to keep the CO2 in the tank stable, a water-filled container should be placed in the bottom of the tank.

Cosmetic Raw Materials

Cosmetics are compound mixtures made of various raw materials through reasonable deployment and processing. Cosmetics have a wide variety of raw materials with different properties. According to the raw material properties and uses of cosmetics, it can be roughly divided into two categories: matrix raw materials and auxiliary raw materials.

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The former is a kind of main raw material of cosmetics, which occupies a large proportion in cosmetic formulations and plays a major functional role in cosmetics. The latter is responsible for shaping, stabilizing or imparting color, fragrance and other properties to cosmetics, which are not used in cosmetic formulations, but are extremely important. Cosmetics are chemical mixtures made of natural, synthetic or extracted substances with different functions as raw materials and processed through production procedures such as heating, stirring and emulsification.

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