ISO 22862:2021
Fertilizers and soil conditioners — Compound fertilizer — General requirements
This document specifies general requirements for the testing, sampling and preparation of test samples and the marking, labelling, packaging, transport and storage of compound fertilizers.
This document is applicable to inorganic solid compound fertilizers.
This document is not applicable to controlled-release compound fertilizers.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Analytical methods
5.1 Determination of the mass fraction of total nitrogen
5.2 Determination of available phosphorus and water-soluble phosphorus
5.3 Determination of potassium
5.4 Determination of water content
5.5 Determination of grain size
5.6 Determination of heavy metals (contaminants)
6 Sampling and preparation of test sample
6.1 Sampling method
6.1.1 Products in bags
6.1.2 Products in bulk
6.2 Reduction of samples
6.3 Test sample preparation
7 Marking and labelling
8 Package, transport, and storage
Annex A (informative) Examples of heavy metal concentration limitation
Bibliography
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Related Information
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BS 5551-2.1:1993
Fertilizers. Sampling, Simple sampling method for small lots of solid fertilizer
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BS 5551-2.10:1993
Fertilizers. Sampling, Method of checking the performance of mechanical devices for sampling of solid fertilizer moving in bulk
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BS 5551-2.2:1984
Fertilizers. Sampling, Presentation of sampling reports
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BS 5551-2.3:1978
Fertilizers. Sampling, Sampling from a conveyor by stopping the belt [reference method]
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Analytical methods
5.1 Determination of the mass fraction of total nitrogen
5.2 Determination of available phosphorus and water-soluble phosphorus
5.3 Determination of potassium
5.4 Determination of water content
5.5 Determination of grain size
5.6 Determination of heavy metals (contaminants)
6 Sampling and preparation of test sample
6.1 Sampling method
6.1.1 Products in bags
6.1.2 Products in bulk
6.2 Reduction of samples
6.3 Test sample preparation
7 Marking and labelling
8 Package, transport, and storage
Annex A (informative) Examples of heavy metal concentration limitation
Bibliography