This standard specifies the terms and definitions, principles, instruments, sample preparation, measurement procedures, result calculation and presentation for the determination of wheat hardness by the hardness index method. This standard is applicable to the determination of wheat hardness.
GB/T 21304-2007 Referenced Document
GB 5491 Inspection of grain and oilseeds--Methods for sampling and sample reduction
GB/T 5497 Inspection of grain and oilseeds--Methods for determination of moisture content
LS/T 3704 Technical requirements and test method for wheat hardness index tester
GB/T 21304-2007 history
2007GB/T 21304-2007 Determination of wheat hardness-Hardness index method