デバルダ合金,粉末

外観

銀灰色の粉末

溶解性

硝酸に溶けるが、塩酸又は水酸化ナトリウム溶液には成分のアルミニウム及び亜鉛は溶け、銅は溶けない。

用途

窒素分析用還元剤。

化学的特性

grey solid

使用

Devarda's Alloy is used as reducing agent in analytical chemistry for the determination of nitrates after their reduction to ammonia under alkaline conditions. It is also used in the quantitative or qualitative analysis of nitrates in agriculture and soil science before the development of ion chromatography. It is an important raw material and intermediate used in organic synthesis, pharmaceuticals, and agrochemicals.

一般的な説明

Devarda′s alloy is a reducing agent, and has found application in being used to reduce NO₃--N, or NO₂--N, into NH⁴⁺-N, thereby finding functionality in being used for total nitrogen determination.