NEN EN 13299 : 2000

Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Apparatus
5 Test portions
6 Calibration of the funnel
7 Procedure
8 Expression of results
      8.1 Calculation of the calibration factor (c)
      8.2 Calculation of the flow rate of the fertilizer
9 Precision
      9.1 General
      9.2 Repeatability
      9.3 Reproducibility
10 Test report

Establishes a procedure to determine the flow rate of free flowing solid fertilizers. Does not apply to powder materials less than 0,5 mm, or to liming materials.