GSO ISO 25475:2021

ISO 25475:2016
Gulf Standard   Current Edition · Approved on 01 July 2021

Fertilizers — Determination of ammoniacal nitrogen

GSO ISO 25475:2021 Files

GSO ISO 25475:2021 Scope

ISO 25475:2016 specifies a method for the determination of the ammoniacal nitrogen content in fertilizers. The method is applicable to all nitrogenous fertilizers including compound fertilizers, in which nitrogen is found exclusively either in the form of ammonium salts or ammonium salts together with nitrates.

ISO 25475:2016 is not applicable to fertilizers containing urea, cyanamide or other organic nitrogenous compounds.

Best Sellers From Chemical and Textile Sector

GSO 1943:2024
 
Gulf Technical Regulation
Cosmetic Products – Safety Requirements of Cosmetics and Personal Care Products
GSO 151:2022
 
Gulf Standard
Synthetic Detergents –Household Synthetic Detergents Powder
GSO 2555:2021
 
Gulf Technical Regulation
General Safety Requirements of Household Detergents
GSO 575:2016
 
Gulf Standard
Facial tissue - paper

Recently Published from Chemical and Textile Sector

GSO 128:1990
 
Gulf Standard
METHODS OF TESTING FOR CRUDE PETROLEUM AND PETROLEUM PRODUCTS – DETERMINATION OF WATER IN PETROLEUM PRODUCTS AND BITUMINOUS MATERIALS (DISTILLATION METHOD)
GSO 126:1994
 
Gulf Standard
METHODS OF SAMPLING LUBRICATING OILS
GSO ISO 2808:2025
ISO 2808:2019 
Gulf Standard
Paints and varnishes — Determination of film thickness
GSO 2580:2025
 
Gulf Standard
Single Use - Disposable Plastic Tableware