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ISO 20977:2018

Liming materials — Determination of size distribution by dry and wet sieving

Standard Details

This document specifies two methods for the determination of the particle size distribution of liming materials.

Method A (the dry sieving method) is applicable to all liming materials except wet and paste-like products. Method A is not applicable if blinding, caking, electrostatic charges or agglomeration occur after drying.

Method B (the wet sieving method) is applicable to products which are susceptible to blinding, caking, electrostatic charges or agglomeration after drying. Method B can be used to determine the primary particle size distribution of granulated products. Method B is not applicable to burnt lime and liming materials containing water-soluble constituents.

General Information

Status : Published
Standard Type: Main
Document No: ISO 20977:2018
Document Year: 2018
Pages: 14
Edition: 1
  • Section Volume:
  • ISO/TC 134. Fertilizers and soil conditioners

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ISO 20977:2018
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