Comparison of new and old standards for test method for percentage of trash content in raw cotton
In order to facilitate inspection and testing institutions,raw cotton production and processing enterprises,and customers to better understand and use the new standard GB/T 6499-2022"test method for percentage of trash content in raw cotton",this article adopts a comparative analysis method to analyze and compare the differences between the new and old standards from several aspects such as the scope of application of the standard,normative reference documents,terms and definitions,sample sampling,principles,test methods,appendices,etc.The focus was on analyzing the testing method of the newly added fully automatic raw cotton impurity analysis system.The new standard optimizes the testing methods of traditional raw cotton impurity analyzers and adds a fully automatic raw cotton impurity analysis system testing method.The new standard is conducive to promoting the improvement of cotton impurity content testing technology in China,laying a good foundation for efficient and rapid testing of cotton certification and inspection.
raw cottontrashpercentage of trashtest methodstandardsdifference