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CEN/TR 14539:2021
Straight ammonium nitrate fertilizers - Comparative study on the determination of porosity (oil retention)
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Summary
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.
Three products, with a porosity between 1 % and 7 %, have been used in the inter-laboratory trials.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 06/05/2021 |
| Page Count | 22 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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