The composition of the refractometer and precautions in use

Release time:

2018-10-09 14:30

Source:

The composition of the refractometer:

1: light board

2: refractive prism

3: Zero correction screw

4: Eyepiece

5: rubber sleeve

Precautions in use:

1. In use, it must be carefully and carefully used strictly according to the instructions. Do not loosen the connection parts of the instrument arbitrarily. Do not drop, collide, or strictly avoid severe vibration.

2. After use, it is strictly forbidden to directly put it into the water for cleaning. Apply clean and soft flannel to wipe it clean. For the surface of optical parts, it should not be scratched or scratched.

3, the instrument should be stored in a dry, dust-free, oil-free and acid-free corrosion gas, so as to avoid optical parts corrosion or mildew.

More information

Storage of chemical laboratory reagents

Solid reagents are typically stored in easy-to-access jars, and liquid reagents are stored in vials.

Chemical laboratory reagent specifications

Excellent grade pure reagent, also known as guarantee reagent, with the lowest impurity content and highest purity

Laboratory glassware washing

Chemical laboratories often use a variety of glass instruments and porcelain. These instruments are clean or not

Glass instrument drying method

An electric oven with a blower is generally used. The oven temperature is maintained between 100-120 degrees. Blasting can speed up the drying of the instrument.

Drying of laboratory glassware

In chemical experiments, it is often necessary to use a dry instrument, so after the instrument is washed, it should be dried. Dry the instrument beforehand to avoid drying when it is used.

Yangzhou guangning machinery glass co. LTD

Contact: Zeng Chun
Telephone:13805271985 13905276273
Fax: 0514-87239585
E-mail：yzgnqhb@163.com GJ8607@sina.com
Address: 129 Jiangyang East Road, Yangzhou City, Jiangsu Province

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