Table 1 Chemical composition of artificial sweat

AATCC

pH 4.3

ISO

pH 5.5

ISO

pH 8.0

EN

pH 6.5

L-histidine monohydrochloride monohydrate (C₆H₉O₂N₃•HCl•H₂O)

0.025

0.05

0.05

-

Sodium chloride (NaCl)

1.00

0.50

0.50

1.08

Disodium hydrogen orthophosphate dodecahydrate (Na₂HPO₄•12H₂O)

-

-

0.50

-

Sodium dihydrogen orthophosphate dihydrate (NaH₂PO₄•2H₂O)

-

0.22

-

-

Disodium hydrogen orthophosphate anhydrous (Na₂HPO₄)

0.10

-

-

-

Lactic acid (88%)

0.097

-

-

0.12

Urea

-

-

-

0.13