Liming materials. Determination of neutralizing value. Titrimetric methods
65.080 - Fertilizers
Reemplaza a: BS EN 12945:2008
This European Standard specifies two methods for the determination of the neutralizing value (NV) of liming materials.
Method A is applicable to all liming materials except silicate liming materials.
Method B is applicable to all liming materials.
Both methods do not correctly take into account the potential neutralizing value of material containing more than 3 % P 2O 5. For a more accurate agronomic assessment of products containing more than 3 % P 2O 5 determine the liming efficiency according to EN 14984 .
The methods described in ISO 6598  and ISO 7497  can be used for the determination of P 2O 5 content. Further information on P analyses is given in  and .
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