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ISO 23637:2021

Cereals — Determination of cadmium content by graphite furnace atomic absorption spectrometry with diluted nitric acid extraction

Publication date:   Dec 15, 2021

General information

60.60   Standard published   Dec 15, 2021

ISO

ISO/TC 34/SC 4 Cereals and pulses

International Standard

67.060   Cereals, pulses and derived products

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Scope

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.

Life cycle

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PUBLISHED
ISO 23637:2021
60.60 Standard published
Dec 15, 2021