ISO/FDIS 7428-1
ISO/FDIS 7428-1
Status : Under development


This document specifies the evaluation method for size and concentration indices of fine bubbles generated from showerhead. It is only applicable to fine bubble dispersion in water generated from showerhead using air. It describes the sampling method for fine bubble dispersion from the showerhead into the retention container and measurement procedure of size and concentration indices.

General information

  •  : Under development
    : Final text received or FDIS registered for formal approval [50.00]
  •  : 1
  • ISO/TC 281
  • RSS updates

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)