International Organization for Standardization (ISO)
Latest
ISO 2456:1986
Scope
The following requirements are specified: residue after evaporation, electrical conductivity, oxidizable matter expressed in oxygen content, absorbance at 254 nm and 1 cm cell optical path length: 0.01 units max., reactive silica content, surface tension. The corresponding methods of test are specified in an annex.
ISO 2456:1986 history
1986ISO 2456:1986 Surface active agents; Water used as a solvent for tests; Specification and test methods