romanticism. See also Kjeldahl method Nitrate test Nitrite test Nascent hydrogen Marsh test Detection of: Arsine Stibine Raney nickel, prepared from an Al, Ni alloy also dissolved in concentrated NaOH Zinc-copper couple References External links Devarda's alloy - Substance Summary (SID 24856330) (PubChem Substance) Safety data for Devarda's alloy Sigma Aldrich: Devarda’s alloy purum, for preparative purposes, grit GFS Chemicals: Devarda's alloy, reagent (ACS) National Pollutant Inventory - Copper and compounds fact sheet Further reading Aluminium alloys Copper alloys Name reactions Hydrogen Reducing agents Aluminium–copper alloys