This specification covers two types of linear alkylbenzenesulphonic acid, each type having two grades of colour.
NOTE
a) The titles of standards referred to by number in the specification are given in Appendix A.
b) Requirements that must be specified by the purchaser are listed in Appendix B.
c) Except under the standardization mark scheme, assessment of compliance with 3?3?2 requires special agreement between supplier and purchaser.