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BS EN 13805:2014

BS EN 13805:2014

$102.76

Foodstuffs. Determination of trace elements. Pressure digestion

Published By Publication Date Number of Pages
BSI 2014 16
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This European Standard specifies a method for the pressure digestion of foodstuffs intended for the determination of elements. This method has been collaboratively tested in combination with atomic absorption (flame, electrothermal (ET), hydride, cold-vapour) techniques and ICP-MS. Other techniques such as e.g. ICP-OES, voltammetry or atomic fluorescence can be used in combination with this European Standard.

PDF Catalog

PDF Pages PDF Title
4 Contents Page
5 Foreword
6 1 Scope
2 Normative references
3 Principle
4 Reagents
7 5 Apparatus and equipment
5.1 General
5.2 Pressure digestion apparatus
5.2.1 General
5.2.2 Pressure digestion apparatus with conventional heating
5.2.3 Pressure digestion apparatus with microwave-assisted heating
5.2.4 Pressure digestion autoclave with microwave-assisted heating
8 5.3 Ultrasonic bath with heating device
5.4 Subboiling distillation apparatus,
5.5 Stripping apparatus,
6 Procedure
6.1 General
6.2 Sample preparation
6.3 Pressure digestion conditions
6.3.1 Sample
9 6.3.2 Acid addition
6.3.3 Digestion temperature
10 6.3.4 Digestion time
6.3.5 Cooling
6.3.6 Treatment of the digestion
6.3.7 Quality control of the analysis
6.4 Example of pressure digestions
6.4.1 Example of a high-pressure ashing digestion with conventional heating
11 6.4.2 Example of a microwave digestion
6.4.3 Example of a digestion in a microwave-heated autoclave
12 Annex A (normative) Figures of apparatus
Figure A.1 — Quartz glass subboiling-distillation apparatus
13 Figure A.2 — Stripping apparatus
14 Bibliography

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BS EN 13805:2014
$102.76