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Significance and Use
4.1 This substitute ocean water may be used for laboratory testing where a reproducible solution simulating sea water is required. Examples are for tests on oil contamination, detergency evaluation, and corrosion testing.
1.1 This practice covers the preparation of solutions containing inorganic salts in proportions and concentrations representative of ocean water.2
1.2 This practice provides three stock solutions, each relatively concentrated but stable in storage. For preparation of substitute ocean water, aliquots of the first two stock solutions with added salt are combined in larger volume. An added refinement in adjustment of heavy metal concentration is provided by the addition of a small aliquot of the third stock solution to the previous solution.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1129 Terminology Relating to Water
D1193 Specification for Reagent Water
E200 Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
ICS Number Code 13.060.10 (Water of natural resources)
ASTM D1141-98(2013), Standard Practice for the Preparation of Substitute Ocean Water, ASTM International, West Conshohocken, PA, 2013, www.astm.orgBack to Top