Acids and alkalis in life

We can taste the acid and alkali in life. So how can we identify the acid and alkali in the laboratory? Human-related PH value Plasma 7.35-7.45 Saliva 6.6-7.1 Gastric juice 0.9-1.5 Milk 6.6-7.6 Bile 7.1-7.3 Pancreatic juice 7.5-8.0 Urine 4.7-8.4 Feces 4.6-8.4

Skin Care

Facial cleanser,Facial mask,Moisturizers and creams,Skin care essence

HomeSafe Group , https://www.homesafebio.com