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Figure 6.1 – Areometer in the measuring cylinder with

the tested liquid and taking a reading for liquid density
measurement by the scale of areometer

1 2 3 4

6

5

1 – for determining the density of gas; 2 – for liquids, with narrow
tube; 3 – for liquids, with the mark; 4 – for liquids, with capillary;

5 – pycnometer with graduated scale (for more accurate determining
the density of liquid); 6 – for solid (powder) substances.

Figure 6.2 – Pycnometers

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