JPS6456321A - Production of rhodium nitrate solution - Google Patents

Production of rhodium nitrate solution

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Publication number
JPS6456321A
JPS6456321A JP21429787A JP21429787A JPS6456321A JP S6456321 A JPS6456321 A JP S6456321A JP 21429787 A JP21429787 A JP 21429787A JP 21429787 A JP21429787 A JP 21429787A JP S6456321 A JPS6456321 A JP S6456321A
Authority
JP
Japan
Prior art keywords
soln
rhodium
ammonium
nitrite
rhodium nitrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP21429787A
Other languages
Japanese (ja)
Other versions
JP2505483B2 (en
Inventor
Hiroshi Takao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tanaka Kikinzoku Kogyo KK
Original Assignee
Tanaka Kikinzoku Kogyo KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tanaka Kikinzoku Kogyo KK filed Critical Tanaka Kikinzoku Kogyo KK
Priority to JP21429787A priority Critical patent/JP2505483B2/en
Publication of JPS6456321A publication Critical patent/JPS6456321A/en
Application granted granted Critical
Publication of JP2505483B2 publication Critical patent/JP2505483B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PURPOSE:To obtain rhodium nitrate soln. contg. no sulfate radical without detracting stability of the soln. by concentrating nitric acid soln. of ammonium rhodium nitrite to sirup-like soln. and by dissolving in water. CONSTITUTION:The ammonium rhodium nitrite is dissolved with nitric acid by heating. The obtd. soln. is concd. by heating at >=90 deg.C to sirup-like soln. Thereafter, the concentrate is dissolved in water to obtain the targeted rhodium nitrate soln. The ammonium rhodium nitrite is used as raw material for rhodium nitrate soln. above-mentioned, because it can be converted to the rhodium nitrate soln. without using catalytic poison such as sulfate radical, or chloride ion. The ammonium rhodium nitrite can be prepared by adding ammonium chloride to a neutral soln. of sodium rhodium nitrite.
JP21429787A 1987-08-28 1987-08-28 Method for producing rhodium nitric acid solution Expired - Lifetime JP2505483B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21429787A JP2505483B2 (en) 1987-08-28 1987-08-28 Method for producing rhodium nitric acid solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21429787A JP2505483B2 (en) 1987-08-28 1987-08-28 Method for producing rhodium nitric acid solution

Publications (2)

Publication Number Publication Date
JPS6456321A true JPS6456321A (en) 1989-03-03
JP2505483B2 JP2505483B2 (en) 1996-06-12

Family

ID=16653399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21429787A Expired - Lifetime JP2505483B2 (en) 1987-08-28 1987-08-28 Method for producing rhodium nitric acid solution

Country Status (1)

Country Link
JP (1) JP2505483B2 (en)

Also Published As

Publication number Publication date
JP2505483B2 (en) 1996-06-12

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