BS ISO 20193:2019 pdf download

12-17-2020 comment

BS ISO 20193:2019 pdf free download.Tobacco and tobacco products — Determination of the width of the strands of cut tobacco.
BS ISO 20193:2019 specifies a method for the determination of the width of strands of cut tobacco. This method is only applicable on samples of strands of cut tobacco with a uniform cut width.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 216, Writing paper and certain classes of printed matter — Trimmed sizes — A and B series, and indication of machine direction;
ISO 3402, Tobacco and tobacco products — Atmosphere for conditioning and testing ISO 8243, Cigarettes — Sampling;
ISO 15 592-1, Fine-cut tobacco and smoking articles made from it — Methods of sampling, conditioning and analysis — Part 1: Sampling;
ISO 15592-2, Fine-cut tobacco and smoking articles made from it — Methods of sampling, conditioning and analysis — Part 2: Atmosphere for conditioning and testing;
6 Procedure
61 General
For production control, samples can be selected just after cutting and measured rapidly in order to minimize the influence of ambient conditions.
If packed samples are analysed (for example in pouch, bag, box or cigarette pack), the atmosphere for the preparation of the strands and for the determination of the cut width of fine-cut tobacco shall be in accordance with the testing atmosphere specified in ISO 15592-2. For cigarettes, ISO 3402 shall be applied accordingly.
6.2 Sampling
Take the samples in accordance with ISO 15592-1 or ISO 8243.
6.3 Preparation of the samples
If samples are prepared from the packed product, a test portion of 50 g is taken.
If samples are prepared from the packed product, they shall be conditioned according to ISO 15592-2 for fine-cut tobacco or ISO 3402 for cigarettes. After conditioning, spread out the test portion.

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