Typical Composition of Instant Ocean Salt

Solution at Approximate Salinity of 35ppt

Ion		Instant Ocean	 	Seawater*
		(ppm)			(ppm)

Chloride	19,290			19,353
Sodium		10,780			10,781
Sulfate		2,660			2,712
Magnesium	1,320			1,284
Potassium	420			399
Calcium		400			412
Bi/Carbonate	200			126
Bromide		56			67	
Strontium	8.8			7.9
Boron		5.6			4.5
Fluoride	1.0			1.28
Lithium		0.3			0.173
Iodide		0.24			0.06
Barium		less than 0.04		0.014
Iron		less than 0.04		less than 0.001
Manganese	less than 0.025		less than 0.001
Chromium	less than 0.015		less than 0.001
Cobalt		less than 0.015		less than 0.001
Copper		less than 0.015		less than 0.001
Nickel		less than 0.015		less than 0.001
Selenium	less than 0.015		less than 0.001
Vanadium	less than 0.015	 	less than 0.002
Zinc		less than 0.015		less than 0.001
Molybdenum	less than 0.01		0.01
Aluminum	less than 0.006		less than 0.001
Lead		less than 0.005		less than 0.001
Arsenic		less than 0.004		0.002
Cadmium		less than 0.002		less than 0.001
Nitrate		None			1.8
Phosphate	None			0.2

* Data for seawater values taken from An Introduction to the Chemistry of the Sea. 1998. M.E.Q. Pilson