90.60 Close of review Sep 3, 2024
ISO
ISO/TC 134 Fertilizers, soil conditioners and beneficial substances
International Standard
65.080 Fertilizers
Specifies two methods for dry fertilizers only: the machine-tapping method and the hand-tapping method. Its principle is pouring the fertilizer from a specified funnel into a specified measuring cylinder of known volume, tapping the cylinder by means of a tapping machine or the walls of the cylinder by hand, and weighing the contents of the cylinder. If the fertilizer has absorbed moisture during transport or storage, it is necessary to dry it in an environmental chamber.
WITHDRAWN
ISO 5311:1983
PUBLISHED
ISO 5311:1992
90.60
Close of review
Sep 3, 2024