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BSI PD CEN/TS 17768:2022

BSI PD CEN/TS 17768:2022

$86.31

Organic and organo-mineral fertilizers. Digestion by aqua regia for subsequent determination of elements

Published By Publication Date Number of Pages
BSI 2022 14
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This document specifies the procedure for the digestion of different organic fertilizers and organo-mineral fertilizers with aqua regia to enable a subsequent determination of elements. The extracts are suitable for analysis using CEN/TS 17770 and CEN/TS 17769. NOTE Alternatively, inductively coupled plasma mass spectrometry (ICP-MS) can be used for the measurement if the user proves that the method gives the same results.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling and sample preparation
6 Reagents
7 Apparatus
7.1 Common laboratory glassware
7.2 Apparatus for thermal heating digestion
8 7.3 Filter paper
7.4 Analytical balance, capable of weighing to the nearest mg or better.
8 Procedure
8.1 Sample digestion
9 8.2 Sample pre-concentration
8.3 Blank
10 Annex A (informative)Adjustment to different digestion procedures and measurement apparatuses
A.1 Adjustment of the procedure to different final volumes
A.2 Calculation of the sample mass
A.2.1 General
11 A.2.2 Calculation of the mass of the sample – dry matter
A.2.3 Calculation of the mass of the sample for analysis
A.2.4 Example

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BSI PD CEN/TS 17768:2022
$86.31