Experimental device for measuring surface tension coefficient of liquid by pull-off method
The utility model relates to an experimental device for measuring a liquid surface tension coefficient by a pull-off method. An existing method is tedious in experimental steps. The device comprises an electronic balance, a metal cylinder, and a beaker and a measuring cylinder which are arranged on...
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| creator | SHEN KANGJIE FAN SIJIA CHEN LUJIA YANG XUXIN HONG XUANXUAN REN KANGJUN SUN ZHE |
| description | The utility model relates to an experimental device for measuring a liquid surface tension coefficient by a pull-off method. An existing method is tedious in experimental steps. The device comprises an electronic balance, a metal cylinder, and a beaker and a measuring cylinder which are arranged on the electronic balance. The beaker and the measuring cylinder are provided with holes in the side walls close to the bottoms and are communicated through a hose, and a stop valve is arranged on the hose. The horizontal supporting rod is fixed on the iron stand, a clamping piece and a fixed pulley are arranged on the horizontal supporting rod, and the fixed pulley is located right above the beaker; one end of the metal cylinder is fixedly connected with a pull rope, the pull rope passes through the fixed pulley and the clamping piece, and the other end of the metal cylinder is in contact with the liquid level in the beaker; and a vernier caliper for measurement is additionally arranged. According to the utility mode |
| format | Patent |
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An existing method is tedious in experimental steps. The device comprises an electronic balance, a metal cylinder, and a beaker and a measuring cylinder which are arranged on the electronic balance. The beaker and the measuring cylinder are provided with holes in the side walls close to the bottoms and are communicated through a hose, and a stop valve is arranged on the hose. The horizontal supporting rod is fixed on the iron stand, a clamping piece and a fixed pulley are arranged on the horizontal supporting rod, and the fixed pulley is located right above the beaker; one end of the metal cylinder is fixedly connected with a pull rope, the pull rope passes through the fixed pulley and the clamping piece, and the other end of the metal cylinder is in contact with the liquid level in the beaker; and a vernier caliper for measurement is additionally arranged. 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An existing method is tedious in experimental steps. The device comprises an electronic balance, a metal cylinder, and a beaker and a measuring cylinder which are arranged on the electronic balance. The beaker and the measuring cylinder are provided with holes in the side walls close to the bottoms and are communicated through a hose, and a stop valve is arranged on the hose. The horizontal supporting rod is fixed on the iron stand, a clamping piece and a fixed pulley are arranged on the horizontal supporting rod, and the fixed pulley is located right above the beaker; one end of the metal cylinder is fixedly connected with a pull rope, the pull rope passes through the fixed pulley and the clamping piece, and the other end of the metal cylinder is in contact with the liquid level in the beaker; and a vernier caliper for measurement is additionally arranged. According to the utility mode</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Experimental device for measuring surface tension coefficient of liquid by pull-off method |
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