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sorry, I just find this interesting. Here's a good list.
http://inside.mines.edu/outreach/cont_ed/oeesc/P54.pdf
Table 1. Median values of human sweat constituents [1]
Constituents, Concentration (M)
Primary electrolytes
Sodium 3.1 x 10-2
Chloride 2.3 x 10-2
Calcium, 5.2 x 10-3
Potassium, 6.1 x 10-3
Magnesium, 8.2 x 10-5
Phosphate, 3.1 x 10-4
Bicarbonate, 3.0 x 10-3
Ionic constituents
Sulfate, 4.2 x 10-4
Sulfur, 2.3 x 10-3
Fluoride, 1.1 x 10-5
Phosphorous, 1.3 x 10-5
Bromine, 2.3 x 10-6
Cadmium, 1.8 x 10-8
Copper, 9.4 x 10-7
Iodide, 7.1 x 10-8
Iron, 9.8 x 10-6
Lead, 1.2 x 10-7
Manganese, 1.1 x 10-6
Nickel, 4.2 x 10-7
Zinc, 1.3 x 10-5
Organic acids and carbohydrates
Lactic acid, 1.4 x 10-2
Pyruvic acid, 1.8 x 10-4
Butyric acid, 2.4 x 10-6
Acetic acid, 1.3 x 10-4
Hexanoic acid, 9.0 x 10-7
Propionic acid, 3.5 x 10-6
Isobutyric acid, 8.0 x 10-7
Isovaleric acid, 1.1 x 10-6
Glucose, 1.7 x 10-4
Amino acids
Alanine, 3.6 x 10-4
Arginine, 7.8 x 10-4
Aspartic acid, 3.4 x 10-4
Citrulline, 4.0 x 10-4
Glutamic acid, 3.7 x 10-4
Glycine, 3.9 x 10-4
Histidine, 5.2 x 10-4
Isoleucine, 1.7 x 10-4
Leucine, 2.1 x 10-4
Lysine, 1.5 x 10-4
Ornithine, 1.5 x 10-4
Phenylalanine, 1.3 x 10-4
Threonine, 4.5 x 10-4
Tryptophan, 5.5 x 10-5
Tyrosine, 1.7 x 10-4
Valine, 2.5 x 10-4
Nitrogenous Substances
Ammonium, 5.2 x 10-3
Uric acid, 5.9 x 10-5
Urea, 1.0 x 10-2
Creatinine, 8.4 x 10-5
Creatine, 1.5 x 10-5
Vitamins
Thiamine, 5.0 x 10-3
Riboflavin, 2.0 x 10-2
Nicotinic Acid, 4.1 x 10-1
Pantothenic Acid, 1.3 x 10-1
Pyridoxine, 1.0 x 10-8
Folic Acid, 1.6 x 10-8
Ascorbic Acid, 1.0 x 10-5
Dehydroascorbic Acid, 1.1 x 10-5
Inositol, 1.6 x 10-6
Choline, 2.6 x 10-5
p-Amino
benzoic acid , 7.1 x 10-8