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BSI 22/30450645 DC 2022

BSI 22/30450645 DC 2022

$13.70

BS ISO 6181. Fertilizers and soil conditioners. Liquid methylen-urea slow release fertilizer. General requirements

Published By Publication Date Number of Pages
BSI 2022 13
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Visual inspection
10 4.2 Requirements of liquid methylen-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 methylen-urea reaction products nitrogen
5.5 Determination of the ammonia nitrogen
11 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 Marking and labeling
7 Packaging, transport and storage
13 Bibliography

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BSI 22/30450645 DC 2022
$13.70