How to use measuring cylinder and measuring cup?

 The measuring cylinder and the measuring cup bai are tools for measuring the volume of the liquid du.

Note: (zhi1) Do not use a graduated cylinder to prepare dao solution or perform chemical reactions.

(2) Can't add shu to heat or serve

Pack hot solution to avoid explosion

(3) The liquid should be measured at room temperature.

(4) When reading, the line of sight should be tangent to the level of the lowest point of the meniscus.

(5) When measuring a known volume of liquid, a measuring cylinder slightly larger than the known volume should be selected, otherwise it will cause excessive errors. For measuring 15mL of liquid, a measuring cylinder with a capacity of 20mL should be used instead of a measuring cylinder with a capacity of 50mL or 100mL

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