Method for preparing pure phase LaCo2As2

Method for preparing pure phase LaCo2As2

The invention discloses a method for preparing pure phase LaCo2As2. The method comprises the following steps: pretreatment of raw materials; weighing and tableting of the raw materials; tube sealing;high-temperature solid phase reaction; diluted nitric acid soaking; and cleaning. The invention also...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHONG WENWU, WANG ZONGPENG, ZHAN BAISHAO, WU JIANBO, SHEN SHIJIE, LIN ZHIPING
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
INORGANIC CHEMISTRY
METALLURGY
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Beschreibung
Zusammenfassung:The invention discloses a method for preparing pure phase LaCo2As2. The method comprises the following steps: pretreatment of raw materials; weighing and tableting of the raw materials; tube sealing;high-temperature solid phase reaction; diluted nitric acid soaking; and cleaning. The invention also discloses a compound LaCo2As2. The compound LaCo2As2 is prepared by the method. 本发明公开种制备纯相LaCoAs的方法，包括以下步骤：原料的预处理；原料的称量和压片；封管；高温固相反应；稀硝酸浸泡；清洗。本发明还公开种化合物LaCoAs，其采用如上所述的方法制备而成。