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BS ISO 6181:2023

BS ISO 6181:2023

$86.31

Fertilizers and soil conditioners. Liquid methylene-urea slow release fertilizers. General requirements

Published By Publication Date Number of Pages
BSI 2023 14
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Requirements
4.1 Visual inspection
4.2 Requirements of liquid methylene-urea slow release fertilizers
5 Analytical methods
5.1 Visual inspection for foreign matter
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 methylene-urea reaction products nitrogen
11 5.5 Determination of the ammonia nitrogen
5.6 Determination of the nitric nitrogen
5.7 Determination of the cyanamide nitrogen
5.8 Determination of the biuret content
5.9 Determination of the mass fraction of water insoluble matter
5.10 Determination of the density
6 Sampling and preparation of test sample
6.1 Sampling method
6.2 Test sample preparation
7 Marking and labelling
12 8 Packaging, transport and storage
13 Bibliography

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BS ISO 6181:2023
$86.31