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GSO ISO 22862:2024
ISO 22862:2021
Gulf Standard
Fertilizers and soil conditioners — Compound fertilizer — General requirements
GSO EN 15761:2024
EN 15761:2009
Gulf Standard
Pre-shaped growing media - Determination of length, width, height, volume and bulk density
GSO ISO 7851:2024
ISO 7851:2022
Gulf Standard
Fertilizers, soil conditioners and beneficial substances — Classification
GSO ISO 7409:2021
ISO 7409:2018
Gulf Standard
Fertilizers — Marking — Presentation and declarations
GSO ISO 25475:2021
ISO 25475:2016
Gulf Standard
Fertilizers — Determination of ammoniacal nitrogen
GSO ISO 25705:2021
ISO 25705:2016
Gulf Standard
Fertilizers — Determination of urea condensates using high-performance liquid chromatography (HPLC) — Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
GSO ISO 19746:2021
ISO 19746:2017
Gulf Standard
Determination of urea content in urea-based fertilizers by high performance liquid chromatography (HPLC)
GSO ISO 17323:2021
ISO 17323:2015
Gulf Standard
Fertilizers and soil conditioners — Sulfur Coated Urea (SCU) — General requirements
GSO ISO 18644:2021
ISO 18644:2016
Gulf Standard
Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements
GSO ISO 19670:2021
ISO 19670:2017
Gulf Standard
Fertilizers and soil conditioners — Solid urea aldehyde slow release fertilizer — General requirements
GSO ISO 18643:2021
ISO 18643:2016
Gulf Standard
Fertilizers and soil conditioners — Determination of biuret content of urea-based fertilizers — HPLC method
GSO ISO 14820-2:2021
ISO 14820-2:2016
Gulf Standard
Fertilizers and liming materials — Sampling and sample preparation — Part 2: Sample preparation