Published
Specifies a direct and a indirect method. Describes the principle, the reagents, the apparatus, the sampling, the test procedures, the expression of results, and the contents of the test report. This second edition cancels and replaces the first edition (1977).
WITHDRAWN
ISO 3401:1977
PUBLISHED
ISO 3401:1991
90.93
Standard confirmed
Apr 15, 2024
Cigarettes — Determination of alkaloid retention by the filters — Spectrometric method
60.60 Standard published