pH for some common solutions

May 22, 2013 April 13, 2021
SolutionspH
Blood7.3 – 7.5
Saliva6.5 – 7.5
Urine5.5 – 7.5
Coffee4.5 – 5.5
Tomato juice4.0 – 4.4
Vinegar2.4 – 3.4
Lemon juice2.2 – 2.4
Gastric juice1.0 – 3.0
Soft drinks3
Milk6.5
Sea water8.5
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