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What Is The Difference Between Bulk Density, Tapped Density Là Gì

http://www.who.int/medicines/publications/pharmacopoeia/Bulk-tapped-densityQAS11_450FINAL_MODIFIEDMarch2012.pdfhttp://www.usp.org/sites/default/files/usp_pdf/EN/USPNF/revisions/m99375-bulk_density_and_tapped_density_of_powders.pdfhttps://www.ecn.nl/docs/society/horizontal/CEN-Determination%20of%20bulk%20density,%20Version%20240805.pdf True density is constant value for a matter. True density is the density of the solid material. As a geologist, calcite mineral has true density of 2.72 gr/cm3. Apparent density…