1.Apparatus:-10ml calibrated test tube(U2)
2.Reagents:- A1-PH indicator solution
3.Test Procedure
a. Test in a calibrated test tube (U2) water sample to be tested upto the 10 ml mark.
b. Add 4 drops of reagent A1 With the help of dropping Bottle.
c.Mix well and compare the colour developed with the help of following table.
d.Note down the PH value.
PH COLOUR
Upto 3.0 Red
4.0 Orange Red
5.0 Orange
6.0 Yellow
7.0 Yellowish Green
8.0 Greenish Blue
9.0 Blue
10.0 Violet
11.0 Reddish Violet
2.Reagents:- A1-PH indicator solution
3.Test Procedure
a. Test in a calibrated test tube (U2) water sample to be tested upto the 10 ml mark.
b. Add 4 drops of reagent A1 With the help of dropping Bottle.
c.Mix well and compare the colour developed with the help of following table.
d.Note down the PH value.
PH COLOUR
Upto 3.0 Red
4.0 Orange Red
5.0 Orange
6.0 Yellow
7.0 Yellowish Green
8.0 Greenish Blue
9.0 Blue
10.0 Violet
11.0 Reddish Violet
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