Alliage de Devarda, en grenailles, AnalaR NORMAPUR® pour analyses
Fournisseur: VWR Chemicals
Synonyms:
Copper aluminium zinc alloy (50:45:5 w%), Devarda's metal
Devarda's alloy is used as reducing agent in analytical chemistry for the determination of nitrates after their reduction to ammonia under alkaline.
- For reduction reagent for total Nitrogen determination acc. Kjeldahl
- For reduction of alkaline Chlorate solutions to Chloride
Devarda's alloy (CAS # 8049-11-4) is an alloy of aluminium (44% – 46%), copper (49% – 51%) and zinc (4% – 6%).
Point d'ébullition:
906 Point de fusion: 490…560 °C Densité: 5.79 g/cm³ (20 °C) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00198176 Numéro CAS: 8049-11-4 ONU: 3089 ADR: 4.1 II Merck Index: 13,02958 |
Résultats des tests de spécification
N (Nitrogen) | Max. 10 ppm |
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