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ISO 3401:1991 Cigarettes - Determination of alkaloid retention by the filters - Spectrometric method
standard by International Organization for Standardization, 12/01/1991
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Full Description
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).