International Organization for Standardization (ISO)
Latest
ISO 4388:1991
Scope
Specifies an empirical, quick and practical method which relates only to smoke condensate. The results should not be interpreted with respect to any particular constituent of the smoke condensate.
ISO 4388:1991 history
1991ISO 4388:1991 Cigarettes; determination of the smoke condensate retention index of a filter; direct spectrometric method
1977ISO 4388:1977 Tobacco and tobacco products; Determination of retention of coloured part of smoke condensate by cigarette filters; Direct spectrophotometric method