MS ISO 1130:2003 Textiles fibres - some methods of sampling for testing (ISO 1130:1975 and amendment 1:1976, idt)
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This International Standard specifies several methods for preparing laboratory samples of fibres, and presents a limited treatment of the problem of drawing specimens for testing.
The field of application of each method is given at the beginning of the clause dealing with the method.
It is not possible for the coverage of each individual procedure to be fully comprehensive; in many instances, the selection of test samples or test specimens must necessarily be covered by the appropriate method of test.
The selection of length-biased samples is not within the scope of this International Standard, nor are particular requirements relating to the determination of commercial weights.
An annex and tables are given in this International Standard for general guidance in determining the size of the test sample to be taken in order that the determined sample mean shall have given confidence limits.
