"Artificial Seawater" ASTM D1141-98 - 1 gallon / 3.7 Liters
This product comes ready-made for use in your laboratory testing. This products meets the ASTM International standard for ASTM Seawater.
Specifications: This product meets the American Society for Testing and Materials (ASTM International) standard ASTM D1141-52, Formula a, Table 1, Section 4 and the updated Standard ASTM D1141-98 (2013) Formula a, Table x1.1, Section 6 which is the standard practice for the preparation of substitute ocean water.