European Committee for Standardization (CEN)

Contact Information

Avenue Marnix 17
Brussels, 1000 Belgium

Phone:

32 25-500811

Fax:

32 25-500819

Business Type:

Service

Supplier Website

European Committee for Standardization (CEN)

Contact Information

Avenue Marnix 17
Brussels, 1000 Belgium

Phone:

32 25-500811

Fax:

32 25-500819

Business Type:

Service

Supplier Website

CEN - EN 12945

Liming materials - Determination of neutralizing value - Titrimetric methods

active, Most Current

Organization:	CEN
Publication Date:	1 April 2014
Status:	active
Page Count:	18
ICS Code (Fertilizers):	65.080

scope:

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 % P₂O₅. For a more accurate agronomic assessment of products containing more than 3 % P₂O₅ determine the liming efficiency according to EN 14984.

NOTE The methods described in ISO 6598 [1] and ISO 7497 [2] can be used for the determination of P₂O₅ content. Further information on P analyses is given in [3] and [4].