. 2021 Apr 7;11:7663. doi: 10.1038/s41598-021-86866-z

Table 4.

Chemical compositions of artificially simulated sweat and saliva bio-mimic solutions (per liter).

Sweat compositions	Saliva compositions
Sodium chloride—5 g Lactic acid—1 g Urea—1 g	Methyl-p-hydroxybenzoate—2 g Sodium carboxymethyl cellulose—10 g KCl—0.625 g MgCl₂.6H₂O—0.059 g CaCl₂.2H₂O—0.166 g K₂HPO₄—0.804 g KH₂PO₄—0.326 g

Sweat compositions

Saliva compositions

Sodium chloride—5 g

Lactic acid—1 g

Urea—1 g

Methyl-p-hydroxybenzoate—2 g

Sodium carboxymethyl cellulose—10 g

KCl—0.625 g

MgCl₂.6H₂O—0.059 g

CaCl₂.2H₂O—0.166 g

K₂HPO₄—0.804 g

KH₂PO₄—0.326 g