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BS EN 17041:2018

BS EN 17041:2018

$102.76

Fertilizers. Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-H

Published By Publication Date Number of Pages
BSI 2018 18
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This European Standard specifies a method for the determination of total and water extractable boron in mineral fertilizers containing less than or equal to 10 % boron. The method is not suitable for fertilizers with Fe concentrations more than twenty times higher than the concentration of boron. This method is applicable to water and aqua regia fertilizer extracts obtained according to EN 16962 and/or EN 16964. The method can also be used for the determination of boron in mineral fertilizers containing more than 10 % boron after appropriate dilution of the extracts.

PDF Catalog

PDF Pages PDF Title
2 National foreword
5 European foreword
6 Introduction
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling and sample preparation
6 Reagents
8 7 Apparatus
7.1 Laboratory glassware.
9 8 Procedure
8.1 General
8.2 Preparation of calibration solutions
8.3 Preparation of the test solutions
8.4 Preparation of the correction solutions
8.5 Colour development
10 8.6 Measurement
9 Calculation and expression of the result
10 Test report
12 Annex A (informative) Verification data — Comparison of ICP-AES method and spectrophotometric method with azomethine-H
16 Bibliography

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BS EN 17041:2018
$102.76