Author
Willis, C.F.Issue Date
1917-12-10Keywords
Arizona Geological Survey BulletinsRecent
United States of America
testing
minerals
blowpipe tests
acid tests
acid
Metadata
Show full item recordPublisher
University of Arizona Bureau of MinesDescription
SELECT BLOWPIPE AND ACID TESTS FOR MINERALS ALUMINUM, Al. 1. Infusible aluminum minerals (also zinc silicates) ignited before and after adding cobalt nitrate solution give an intense blue color. Fusible minerals may give blue cobalt glass whether aluminum is present or not. 2. Ammonia gives a white gelatinous precipitate in solutions containing aluminum. Iron hydroxide, chromium hydroxide, calcium phosphate, calcium borate, and calcium fluorid are also precipitated by ammonia along with aluminum hydroxide. 5 p.Additional Links
https://library.azgs.arizona.edu/Language
enSeries/Report no.
Bulletin No. 71Mineral Technology Series No. 19