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sklademVydáno: 2016-11-30
BS EN 12945:2014+A1:2016
Liming materials. Determination of neutralizing value. Titrimetric methods
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| Označení normy: | BS EN 12945:2014+A1:2016 |
| Počet stran: | 18 |
| Vydáno: | 2016-11-30 |
| ISBN: | 978 0 580 88241 8 |
| Status: | Standard |
DESCRIPTION
BS EN 12945:2014+A1:2016
This standard BS EN 12945:2014+A1:2016 Liming materials. Determination of neutralizing value. Titrimetric methods is classified in these ICS categories:
- 65.080 Fertilizers
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 .
NOTE
The methods described in ISO 6598 [1] and ISO 7497 [2] can be used for the determination of P 2O 5 content. Further information on P analyses is given in [3] and [4].