International Standard
ISO 23637:2021
Cereals — Determination of cadmium content by graphite furnace atomic absorption spectrometry with diluted nitric acid extraction
Reference number
ISO 23637:2021
ISO 23637:2021
Edición 1
2021-12
2021-12
© ISO 2024
International Standard
Resumen
This document specifies a method for the determination of cadmium (Cd) in cereals.
It is applicable to rice, brown rice, wheat and maize by graphite furnace atomic absorption spectrometry (GFAAS) after extraction with diluted nitric acid (HNO3). The limit of quantification is 0,002 mg/kg; it is approximate and dependent on the sample matrix as well as on the instrument conditions.
Informaciones generales
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Estado: PublicadoFecha de publicación: 2021-12Etapa: Norma Internacional publicada [60.60]
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Edición: 1Número de páginas: 10
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Comité Técnico :ISO/TC 34/SC 4ICS :67.060
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