ISO/TR 7821:1982
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Tobacco Preparation and constitution of identical samples from the same lot (Code of practice, for collaborative studies for evaluating methods of test)
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
02-28-2019
French, English
12-01-1982
Provides a practical framework for operations of dividing a lot (not necessarily homogeneous) of tobacco or tobacco products into several similar samples intended for collaborative studies either within or between laboratories. Covers tobacco as a test medium in the forms of powder, cut tobacco, cigarettes, and leaves or strips.
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