Résumé
Applicable to products the Ca content of which exceeds 0.002 % (m/m). Extraction of a test portion with dilute acid and separation of the insoluble residue. Titration of the calcium with standard volumetric disodium ethylenediamine-NNN'N'-tetra-acetate dihydrate (EDTA) solution in the presence of glyoxal-bis(hydoxy-2-anil) as indicator.
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État actuel: AnnuléeDate de publication: 1975-07
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Edition: 1Nombre de pages: 3
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- ICS :
- 71.060.50 Sels
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