(Q3519081)
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Wikipedia(5 entries)
- enwiki Acid test (disambiguation)
- eswiki Prueba ácida (oro)
- frwiki Test à l'acide
- itwiki Acid Test
- jawiki 酸性試験
any qualitative chemical or metallurgical assay which uses acid; most commonly, and historically, the use of a strong acid to distinguish gold from base metals
No description defined