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BSI PD CEN/TS 16731:2014

BSI PD CEN/TS 16731:2014

$102.76

Foodstuffs. Determination of hydride-reactive arsenic compounds in rice by atomic absorption spectrometry (Hydride-AAS) following acid extraction

Published By Publication Date Number of Pages
BSI 2014 16
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This Technical Specification describes a screening procedure for the determination of nitric-acid extractable inorganic arsenic in rice with hydride generation-AAS.

The method has been developed and validated for the application of analysis in rice. It has been validated in an interlaboratory study according to ISO 5725 [2] on parboiled rice and brown rice having an inorganic arsenic content of 0,092 mg/kg and 0,191 mg/kg.

PDF Catalog

PDF Pages PDF Title
5 Foreword
6 1 Scope
2 Normative references
3 Principle
4 Reagents
7 5 Apparatus
8 6 Procedure
6.1 Sample preparation
6.1.1 General
6.1.2 Extraction
9 6.1.3 Pre-reduction of reference, blank and sample solution
10 6.2 Atomic absorption spectrometry (Hydride generation AAS)
6.2.1 Operating conditions for the hydride generation AAS
11 6.2.2 AAS measurement
7 Evaluation
8 Precision
8.1 General
8.2 Repeatability
12 8.3 Reproducibility
9 Test report
13 Annex A (informative) Precision data
Table A.1 — Precision data
14 Bibliography

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BSI PD CEN/TS 16731:2014
$102.76