pH Values of Different Substances
Substance
|
pH Values
|
Pure water
|
7
|
Human blood
|
7.35 – 7.45
|
Sea water
|
7.5 – 8.4
|
Ammonia
|
10.6 to 11.6
|
Milk
|
6.5 – 6.7
|
Normal rain
|
5.6 to 6
|
Acid rain
|
2 to 5.6
|
Human urine
|
6
|
Black coffee
|
5
|
Beers
|
4.5
|
Wines
|
2.8 to 3.8
|
Vinegar
|
2.9
|
Lemon juice
|
2.4
|
