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BSI PD CEN/TS 17705:2022

BSI PD CEN/TS 17705:2022

$102.76

Plant biostimulants. Determination of phosphonates

Published By Publication Date Number of Pages
BSI 2022 16
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This document specifies a method for the extraction and determination of phosphonates (P–PO3) in plant biostimulants using ion chromatography and conductivity detection (IC-CD). This document is also applicable to the blends of fertilizing products where plant biostimulants are the main part of the blend. Otherwise, the Technical Specification for the main part of the blend applies.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
8 6 Apparatus
7 Procedure
7.1 Sample preparation
7.2 Water extraction
9 7.3 Preparation of the calibration solutions
7.4 Measurement
7.4.1 Instrument conditions
10 7.4.2 IC-CD measurement
11 8 Calculation and expression of the results
8.1 Integration of peaks
8.2 Concentration of phosphonates in test solutions
12 9 Test report
13 Annex A (informative)Separation of phosphonates from other interfering ions in a mixture of standards

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BSI PD CEN/TS 17705:2022
$102.76