实验室常用的离心仪器是电动离心机(图2-38)。使用时，将装试样的离心

Commonly used laboratory centrifuge instrument is an electric centrifuge (Figure 2-38). In use, the sample is loaded on the centrifuge tube in a centrifuge tube, the bottom of the tube a little cotton pad. In order to balance the rotating centrifuge, the centrifuge tube to be placed in several positions symmetrical. If only one sample at a position symmetrical to have to put a water mass of the centrifuge tube, the tube interior and the like. <br>Electric centrifuge rotating very fast, pay attention to safety. After seating the centrifuge tube should be covered with a cover. Initially, the lowest ratio in the transmission, and then gradually accelerated. Stop, stop its course, it will not be stopped forcibly by hand.

The centrifugal instrument commonly used in the laboratory is an electric centrifuge (Figures 2-38). When used, place the centrifugal test tube fitted with the specimen in the sleeve of the centrifuge, with a little cotton on the bottom of the tube. In order to maintain the balance of centrifuge rotation, several centrifugal tubes should be placed in a symmetrical position. If there is only one specimen, in the symmetrical position also put a centrifugal test tube, tube containing such quality water.<br>Electric centrifuges turn very fast, pay attention to safety. After the centrifugal test tube is placed, cover. At first, set the transmission at the lowest gear and gradually accelerate. When you stop, let it stop naturally, never force it to stop turning by hand.

The centrifugal instrument commonly used in the laboratory is the electric centrifuge (Fig. 2-38). When using, put the centrifuge tube with the sample in the centrifuge sleeve, and pad a little cotton on the bottom of the tube. In order to balance the rotation of the centrifuge, several centrifuge tubes should be placed in a symmetrical position. If there is only one sample, a centrifugal test tube shall be placed in the symmetrical position, and the tube shall be filled with water of equal mass.<br>The electric centrifuge rotates very fast, so pay attention to safety. After placing the centrifuge tube, cover it. At first, put the transmission in the lowest gear, then gradually accelerate. When it stops, let it stop naturally. Never force it to stop rotating by hand.