ISO 14820-2:2016
Fertilizers and liming materials — Sampling and sample preparation — Part 2: Sample preparation
ISO 14820-2:2016 specifies methods for the reduction and preparation of samples of fertilizers and liming materials and sets out the requirements for sample preparation reports. It also specifies methods for the preparation of test samples and test portions from laboratory samples of fertilizer for subsequent chemical or physical analysis. It does not cover the preparation of samples for certain physical tests which require test portions of more than 2 kg. It is applicable to all fertilizers.
NOTE The term "fertilizer" is used throughout the body of this part of ISO 14820 and is taken to include liming materials unless otherwise indicated.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Procedure
6.1 General
6.2 Preparation of test samples in their original condition
6.3 Further preparation of test samples which are to remain in their original condition
6.3.1 General
6.3.2 Preparation of test portions for physical testing
6.3.3 Preparation of test portions for moisture analysis
6.3.4 Preparation of test portions for other chemical analyses
6.4 Further preparation of test samples for chemical analysis
6.4.1 General
6.4.2 Use of sample grinder
6.4.3 Use of mortar and pestle
6.5 Products which are difficult to grind mechanically
6.6 Organic matter
6.7 Fertilizers comprising several different materials
6.8 Fluid fertilizers
6.9 Foreign matter
6.10 Storage
6.11 Taking test portions
6.11.1 Solid fertilizers
6.11.2 Fluid fertilizers
7 Labelling
8 Sample preparation report
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 Principle
5 Apparatus
6 Procedure
6.1 General
6.2 Preparation of test samples in their original condition
6.3 Further preparation of test samples which are to remain in their original condition
6.3.1 General
6.3.2 Preparation of test portions for physical testing
6.3.3 Preparation of test portions for moisture analysis
6.3.4 Preparation of test portions for other chemical analyses
6.4 Further preparation of test samples for chemical analysis
6.4.1 General
6.4.2 Use of sample grinder
6.4.3 Use of mortar and pestle
6.5 Products which are difficult to grind mechanically
6.6 Organic matter
6.7 Fertilizers comprising several different materials
6.8 Fluid fertilizers
6.9 Foreign matter
6.10 Storage
6.11 Taking test portions
6.11.1 Solid fertilizers
6.11.2 Fluid fertilizers
7 Labelling
8 Sample preparation report
Bibliography