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BS ISO 19670:2017

$102.76

Fertilizers and soil conditioners. Solid urea aldehyde slow release fertilizer. General requirements

Published By Publication Date Number of Pages
BSI 2017 20
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Requirements
4.1 Visual inspection
4.2 Requirement of solid urea aldehyde slow release fertilizer
11 5 Analytical methods
5.1 Determination of the appearance
5.2 Determination of the mass fraction of total nitrogen
5.3 Determination of the mass fraction of ureic nitrogen
5.4 Determination of the mass fraction of CWIN
5.4.1 Principle
5.4.2 Reagents
5.4.3 Apparatus
12 5.4.4 Procedure
5.4.5 Expression of results
5.5 Determination of the mass fraction of HWIN and AI
5.5.1 Principle
5.5.2 Reagents
13 5.5.3 Apparatus
5.5.4 Procedure
5.5.5 Expression of results
14 5.6 Determination of the mass fraction of nitrogen from IBDU and CDU
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
15 7 Marking and labelling
8 Packaging, transport and storage
16 Bibliography
BS ISO 19670:2017
$102.76