Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 7    No. 1    March 1997

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PREPARATION AND PROPERTIES OF THE MICRO-POWDER PHASE AND A NEW PHASE OF AMMONIUM TETRAMOLYBDATES
Yin Zhoulan; Chen Qiyuan; Zhang Hengzhong; Zhou Guizhi; Li Yuangao; Zhang Pingmin

Department of Chemistry; Central South University of Technology; Changsha 410083

Abstract:The micro powder phase and a new phase of ammonium tetramolybdate were prepared using polyphase ammonium molybdate as the starting material. Their chemical properties were studied by XRD, TG, DSC and chemical quantitative analyses. It was discovered that the composition of the new phase is (NH 4) 2Mo 4O 13 and it transforms to the micro powder phase when heated below 280 ℃.

 

Key words: new phase of ammonium tetramolybdate micro powder phase of ammonium tetramolybdate phase transformation molybdenum

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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