British Standards Institution

Source:: CEN
Committee:: CII/37 - Fertilisers and related chemicals
Categories:: Fertilizers
Comment period start date:: 19/12/2025
Comment period end date:: 10/02/2026
Number of comments:: 0

Comment by:

10th Feb

Scope

This document specifies a method for the extraction of water-soluble calcium, magnesium, sodium and sulfur (in the form of sulfates), so that the same extract can be used for the determination of each nutrient required.This document is applicable to inorganic fertilizers.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

10/10/2025

3. Public Comments

Public Comments start date:

19/12/2025

Public Comments end date:

10/02/2026

4. Comment Resolution

Comment Resolution start date:

04/05/2027

5. Approval

6. Publication

Publication start date:

19/07/2027

Learn more about the standards development process

Standards Development

BS EN 15961 Inorganic fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfates

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