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Standards Under Review

Plastics – Decorative solid surfacing materials – Part 3: Determination of properties – Solid surface shapes - NL ISO 19712-3:2017


Fertilizers and soil conditioners—Analytical methods for Sulfur Coated Urea (SCU) - NL ISO 17322:2017


Fertilizers and soil conditioners – Determination of biuret content of urea-based fertilizers – HPLC method - NL ISO 18643:2017


Fertilizers – Determination of urea condensates using high-performance liquid chromatography (HPLC) – isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers ( method B) - NL ISO 18643:2017


Natural stone – Rough slabs – Requirements - NL EN 1468:2017


Agglomerated stone – Modular tiles for flooring and stairs (internal and external) - NL EN 15285:2017