smbg
pH TESTING METHOD
1. Take 3 ml of Test solution.
2. Add 2 drops of indicator solution to it and mix.
3. The colour forms is compared with the given colour chart
pH ...
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smbg
pH TESTING METHOD
1. Take 3 ml of Test solution.
2. Add 2 drops of indicator solution to it and mix.
3. The colour forms is compared with the given colour chart
pH O.O -> Red to 10.0 -> Dark Violet
250 Test
