Parameter detection of high-quality rice

This standard specifies the terms and definitions, principles, instruments and tools, sampling, sample preparation, operation steps, and result calculation of rice roughness. This standard is applicable to the determination of the roughness of commercial rice. 2 Normative References: The clauses in the following documents become clauses of this standard through reference in this standard. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB 1350 Rice GB 5491 Grain and Oil Inspection Sampling, Sampling Method GB/T5494 Grain and Oil Inspection Impurities and Imperfect Grain Inspection 3 Terms and Definitions Established in GB 1350 and the following terms and definitions apply to this standard. 3.1 Clean Paddy Rice After removing impurities and brown rice outside the grain. 3.2 Husked rice yield: The percentage of husked rice (where the incomplete grain weight is calculated by half) in the mass fraction of the sample after the husked rice sample is removed from the husked rice. Principle 4: A combination of experimental threshing machine and manual threshing is used for rice threshing, and sensory inspection methods are used to detect incomplete grains of brown rice. Weigh the samples of rice, brown rice, and imperfect grains separately, and calculate the roughness rate. 5 Instruments and tools 5.1 Balance: graduation value 0.0l g. 5.2 Splitter or sample plate. 5.3 Grain screening: A circular hole sieve with a diameter of 2.0 mm. 5.4 Experimental Minggu Machine

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