发明名称 |
METHOD OF PRODUCING NICKEL OXIDE |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of producing a nickel oxide having nickel purity of 4 N or larger and a sodium content of 100 ppm or lower. <P>SOLUTION: The method includes: a neutralization step of neutralizing an acid aqueous solution of nickel ion with a sodium hydroxide aqueous solution or a potassium hydroxide aqueous solution to precipitate a nickel compound having the nickel purity of 3 N or larger; and a heating and water-cleaning step of heating the nickel compound to produce a nickel oxide and cleaning the nickel oxide with water. <P>COPYRIGHT: (C)2012,JPO&INPIT |
申请公布号 |
JP2012041265(A) |
申请公布日期 |
2012.03.01 |
申请号 |
JP20110181801 |
申请日期 |
2011.08.23 |
申请人 |
TANAKA CHEMICAL CORP |
发明人 |
SHIBUYA HIDEKA;DOMAE KYOSUKE;NITTA YOSHIAKI |
分类号 |
C01G53/04;C22B3/42;C22B3/44;C22B23/00 |
主分类号 |
C01G53/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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