Animal feeding stuffs. Determination of arsenic by hydride generation atomic absorption spectrometry (HGAAS) after microwave pressure digestion (digestion with 65 % nitric acid and 30 % hydrogen peroxide)1 Scope This European Standard specifies a method for the determination of total arsenic in animal feeding stuffs by hydride generation atomic absorption spectrometry (HGAAS) after microwave pressure digestion. The limit of quantification is 0,5 g l of the test solution. Using a test portion of 0,5 g, a volume of the test solution of 25 ml and an aliquot of 5 ml for pre reduction the limit of quantification is 0,125 mg kg in the feed material. NOTE

Annex A from the first edition has been deleted

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this International Standard gives the equivalent terms in German and Italian

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Reference standards for test methods to demonstrate conformity to requirements of materials

Three engineering steels are also specified in BS EN 10025‑2  (see Tables 2 and 4) (chemical composition) and Table 7 (mechanical properties)

BS EN 3646-002 provides users guidance on operating conditions

General requirements for safety valves used for protection against excessive pressure

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