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ISO 9138:1993
M00000253
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ISO 9138:1993 Abrasive grains - Sampling and splitting
standard by International Organization for Standardization, 02/01/1993
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Sampling is made using a sampling thief. Splitting means dividing into two equal portions using a splitter (commonly a Jones sampler) and repeating this procedure at each of the portions obtained until the sample is 25 % larger than the amount required for testing. The method may be used in the comparative testing of uniformly produced abrasive grains.