Zobrazeno 1 - 1
of 1
pro vyhledávání: '"F. C. Caspall"'
Publikováno v:
American Antiquity. 36:476-477
In the field it is often difficult to distinguish black manganese dioxide from specks of charcoal or other organic materials. Misinterpretations can be avoided by testing the earth material with a small amount of potassium periodate which will oxidiz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89f681b94a01096a6cf9ee26f8c38e83
https://doi.org/10.2307/278472
https://doi.org/10.2307/278472
