BS 2690-6 68th Edition, March 29, 1968
Methods of testing Water Used in Industry Part 6: Chloride and Sulphate
Includes all amendments and changes through Reaffirmation Notice , April 15, 1989
Additional Comments: W/D S/S BY BS 6068-2.37 & BS 6068-2.39
Published By:British Standards Institution (BSI)
Two methods for chloride and three for sulphate.