pH in Human Biological Material

A reference tool for pH values in various human biological materials and fluids

Biological MaterialpH RangepH Value (typical)
Blood (Arterial)7.35 - 7.457.4
Blood (Venous)7.30 - 7.407.35
Cerebrospinal Fluid7.25 - 7.407.35
Saliva6.2 - 7.66.9
Gastric Juice1.5 - 3.52.0
Pancreatic Juice8.0 - 8.38.2
Bile7.0 - 7.37.15
Urine4.5 - 8.06.0
Sweat4.0 - 6.85.4
Tears7.0 - 7.57.4
Vaginal Fluid3.8 - 4.54.0
Feces6.0 - 7.57.0
Intestinal Juice7.0 - 8.07.5
Semen7.2 - 8.07.4
Milk6.5 - 6.96.7
pH in Human Biological Material | MEPKit Engineering Tools | MEPKit