สารบัญ

5.14 RELATIONSHIP BETWEEN REACTION OF SOLUTION, APPROXIMATE pH AND COLOUR OF CERTAIN INDICATORS

 ​           To 10 ml of the solution to be examined, add 0.1 ml of indicator, unless otherwise prescribed in the following table.

*Use 0.2 ml.

**Use 0.05 ml.

***Use dilute bromothymol blue TS