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ISO 17322:2015
Fertilizers and soil conditioners - Analytical methods for Sulfur Coated Urea (SCU)
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.
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International Organization for Standardization [iso]
International Organization for Standardization [iso]