AU650518C - Ammonia extraction of gold and silver from ores and other materials - Google Patents

Ammonia extraction of gold and silver from ores and other materials

Info

Publication number
AU650518C
AU650518C AU13049/92A AU1304992A AU650518C AU 650518 C AU650518 C AU 650518C AU 13049/92 A AU13049/92 A AU 13049/92A AU 1304992 A AU1304992 A AU 1304992A AU 650518 C AU650518 C AU 650518C
Authority
AU
Australia
Prior art keywords
ores
gold
silver
materials
ammonia extraction
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.)
Ceased
Application number
AU13049/92A
Other versions
AU1304992A (en
AU650518B2 (en
Inventor
Kenneth N. Han.
Xinghui Meng
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.)
South Dakota School of Mines and Technology
Original Assignee
South Dakota School of Mines and Technology
Filing date
Publication date
Priority to US07/627,502 priority Critical patent/US5114687A/en
Priority claimed from US07/627,502 external-priority patent/US5114687A/en
Application filed by South Dakota School of Mines and Technology filed Critical South Dakota School of Mines and Technology
Priority to AU13049/92A priority patent/AU650518C/en
Priority to CA002063694A priority patent/CA2063694A1/en
Publication of AU1304992A publication Critical patent/AU1304992A/en
Application granted granted Critical
Publication of AU650518B2 publication Critical patent/AU650518B2/en
Publication of AU650518C publication Critical patent/AU650518C/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU13049/92A 1990-12-14 1992-03-19 Ammonia extraction of gold and silver from ores and other materials Ceased AU650518C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US07/627,502 US5114687A (en) 1990-12-14 1990-12-14 Ammonia extraction of gold and silver from ores and other materials
AU13049/92A AU650518C (en) 1992-03-19 Ammonia extraction of gold and silver from ores and other materials
CA002063694A CA2063694A1 (en) 1990-12-14 1992-03-20 Ammonia extraction of gold and silver from ores and other materials

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/627,502 US5114687A (en) 1990-12-14 1990-12-14 Ammonia extraction of gold and silver from ores and other materials
AU13049/92A AU650518C (en) 1992-03-19 Ammonia extraction of gold and silver from ores and other materials
CA002063694A CA2063694A1 (en) 1990-12-14 1992-03-20 Ammonia extraction of gold and silver from ores and other materials

Publications (3)

Publication Number Publication Date
AU1304992A AU1304992A (en) 1993-10-07
AU650518B2 AU650518B2 (en) 1994-06-23
AU650518C true AU650518C (en) 1995-03-16

Family

ID=

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