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AFNOR

NF EN 15920
En Vigor
2011-08-01
Fertilizers - Extraction of phosphorus soluble in 2 % citric acid
AFNOR

NF EN 17702-2
En Vigor
2024-11-27
Plant biostimulants - Sampling and sample preparation - Part 2 : sample preparation
AFNOR

NF EN 15925
En Vigor
2011-12-01
Fertilizers - Extraction of total sulfur present in various forms
AFNOR

NF X30-504
En Vigor
2013-08-10
Healthcare waste with infectious risk - Good practices for collecting risk infections health care waste