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This standard has been prepared by Working Committee NA 062-08-95 AA "Prüfung von Ionenaustauschern" ("Testing of ion exchangers") at the Materials Testing Standards Committee (NMP) of DIN. This standard specifies methods for determination of bead size distribution of ion exchange resins which are applicable on all spherical heterodisperse ion exchangers in defined chemical states.
This document replaces DIN 54407:2003-10 .
This document has been replaced by: DIN 54407:2023-06 .