Fertilizers, liming materials and inhibitors. Sampling and sample preparation - Sampling of static heaps

Fertilizers, liming materials and inhibitors. Sampling and sample preparation - Sampling of static heaps

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1   Scope

This document is applicable to the sampling of the following solid inorganic fertilizers and liming materials supplied or ready for supply, and stored in static heaps:
  • — Single nutrient fertilizers,
  • — Uniform complex fertilizers,
  • — Milled, granulated or dredged liming materials,
  • — Any other products, found suitable for sampling by the method described in this part of the standard, i.e. uniform and non-segregating products,
for the purpose of testing for compliance with legal requirements and other descriptions and declarations.

NOTE 1 The term product is used throughout the body of this document and is understood to include fertilizers, liming materials and inhibitors unless otherwise indicated.

NOTE 2 Manufacturers, importers and sellers can choose to use this method to obtain samples of other products or blends as well as long as both parties to a transaction agree. The build-up of a static heap often leads to granulometric segregation, which makes the collection of a truly representative sample of many products and blends unlikely.

NOTE 3 It is the responsibility of manufacturers, importers and sellers, however, to ensure they supply a product that complies with its label declaration at the moment of delivery and fulfils the expectations of the end user at the moment of application.

NOTE 4 A method of obtaining a screening sample from a static heap can be found in Annex B.