Page 35 - 5010

the content of carbonates in the rock) and pour it into the reaction

bottle 2 of АC-4 (АК-4) apparatus.
Figure 5.1 – Device (apparatus) for determining the rock carbonate content (АC-4

1 – thermostat; 2 – reaction bottle with rock sample; 3 – test tube with hydrochloric acid;

4 – coil; 5 – burette with graduated marks (scale factor is 0.2 сm 3 ); 6 – cylinder;

7 – equalizing bottle; 8 – valve; 9 – thermometer; 10 – plug

(АК-4) apparatus)

5.4.2 Pour hydrochloric acid into the test tube 3 (test tube should
be filled with the acid for 2/3 of its volume). In order not to spill
the acid put the test tube filled with the acid into the reaction bottle 2.

5.4.3 Close tightly reaction bottle with a plug and put it into the
thermostat 1.
5.4.4 Moving the equalizing bottle 7 at an open valve 8 equalize

34