pH Scale Comparisons
|
pH Scale
|
pH values of some common substances
|
|
14.0 |
|
|
13.5 |
household lye |
|
12.6 |
bleach |
|
12.0 |
|
|
11.5 |
ammonia |
|
11.0 |
|
|
10.2 |
milk of magnesia |
|
10.0 |
|
|
9.3 |
borax |
|
9.0 |
|
|
8.4 |
baking soda |
|
8.0 |
sea water |
|
7.4 |
blood |
|
7.0 |
distilled water |
|
6.7 |
milk |
|
6.2 |
corn |
|
6.0 |
|
|
5.0 |
boric acid |
|
4.2 |
orange juice |
|
4.0 |
|
|
3.0 |
|
|
2.8 |
vinegar |
|
2.2 |
lemon juice |
|
2.0 |
|
|
1.0 |
|
|
0.3 |
battery acid |
|
0.0 |
|
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