| 摘要 |
A beaker is provided to reduce the number of experiment tools, to shorten the experimentation time, and to cut down the experimentation cost by excluding an additional stand for installing a measuring instrument and to measure the amount of samples easily by printing scales. A beaker is composed of: a beaker body(10) having scales on the outer surface; holding rings(20,21) installed in the beaker body; a support plate(30) installed in the beaker body and positioned under the holding ring; and a handle(40) combined with the outer surface of the beaker body. Scales of 1/3, 1/2, and 2/3 are printed on the outer surface of the beaker body. The outer surface of the handle is covered with a non-conductive coating(41).
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