Devarda's alloy, granules, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals

Synonyms: Copper aluminium zinc alloy (50:45:5 w%), Devarda's metal

20942.181EA 8032 INR
20942.181 20942.294
Devarda's alloy, granules, AnalaR NORMAPUR® analytical reagent
Devarda's alloy

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%).

Boiling Pt: 906 °C (1013 hPa)
Melting Pt: 490…560 °C
Density: 5,79 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00198176
CAS Number: 8049-11-4
UN: 3089
ADR: 4.1,II
Merck Index: 13,02958

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Specification Test Results

N (Nitrogen) Max. 10 ppm

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