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sklademVydáno: 2021-06-15
PD CEN/TR 14539:2021
Straight ammonium nitrate fertilizers. Comparative study on the determination of porosity (oil retention)
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| Označení normy: | PD CEN/TR 14539:2021 |
| Počet stran: | 22 |
| Vydáno: | 2021-06-15 |
| ISBN: | 978 0 539 15188 6 |
| Status: | Standard |
Popis
PD CEN/TR 14539:2021
This standard PD CEN/TR 14539:2021 Straight ammonium nitrate fertilizers. Comparative study on the determination of porosity (oil retention) is classified in these ICS categories:
- 65.080 Fertilizers
This document gives the results of inter-laboratory testing to compare the accuracy and convenience of the official EC method for porosity measurement (given in Annex B) with two non-standardized alternative methods (given in Annexes C and D) already used in some participating laboratories.
Three products, with a porosity between 1 % and 7 %, have been used in the inter-laboratory trials.