ISO 17322:2015

Fertilizers and soil conditioners — Analytical methods for Sulfur Coated Urea (SCU)

Publication date: Jun 3, 2015

General information

Current stage: 90.93 Effective date: Dec 3, 2025

Originator: ISO

Owner: ISO/TC 134

Type: International Standard

ICS: 65.080

Languages: English

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Status: Published

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Scope

ISO 17322:2015 specifies analytical methods for the determination of mass fraction of total nitrogen, one-day dissolution rate (1DDR), seven-day dissolution rate (7DDR), mass fraction of sulfur, mass fraction of biuret, mass fraction of water (H2O), and particle size of SCU.
These methods are applicable to SCU.

Life cycle

NOW

PUBLISHED
ISO 17322:2015
90.93 Standard confirmed
Dec 3, 2025