Introduction
Fertilizers and Soil Conditioners - Analytical Methods for
Sulfur Coated Urea (SCU)
1 Scope
2 Normative references
3 Sampling and sample preparation
4 Determination of the appearance
5 Determination of the mass fraction of total nitrogen
6 Determination of 1DDR and the 7DDR
7 Determination of the mass fraction of sulfur
8 Determination of the mass fraction of biuret
9 Determination of the water content
10 Determination of particle size
11 Precision
12 Test report
Annex A (Informative) - ISO/FWD 17322 Fertilizers and soil
conditioners -Analytical Methods for Sulfur
Coated Urea (SCU) Report of International
Laboratories Ring Tests
Bibliography