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A 1 ⁄ 10 troy oz. bullion strike bears the .9995 PLATINUM 1/10 OZ. inscription. The 1 ⁄ 10 , 1 ⁄ 4 , and 1 ⁄ 2 troy oz coins are identical in design to the 1 troy oz coin except for the markings on the reverse side that indicate the weight and face value of the coin (for example, .9995 PLATINUM 1 OZ.
Bremner HA (2003) Safety and Quality Issues in Fish Processing Woodhead Publishing Limited, ISBN 978-1-85573-678-8. Brewer DJ and Friedman RF (1989) Fish and Fishing in Ancient Egypt Cairo press: The American University in Cairo. ISBN 978-977-424-224-3; Cutting CL (1955) Fish saving; a history of fish processing from ancient to modern times, L ...
Fish preservation is the method of increasing the shelf life of fish and other fish products by applying the principles of different branches of science in order to keep the fish, after it has landed, in a condition wholesome and fit for human consumption. [1][2] Ancient methods of preserving fish included drying, salting, pickling and smoking.
Platinum coin. Common obverse of the American Eagle coins. Platinum coins are a form of currency. Platinum has an international currency symbol under ISO 4217 of XPT. The issues of legitimate platinum coins were initiated by Spain in Spanish-colonized America in the 18th century and continued by the Russian Empire in the 19th century. As a form ...
The Canadian Platinum Maple Leaf is the official bullion platinum coin of Canada. First issued by the Royal Canadian Mint in 1988, it was available until 2002 in five different denominations, all of which are marked as containing .9995 pure platinum. The bullion coin was partly reintroduced in 2009 in the form of the 1 troy ounce denomination ...
Platinum as an investment. American Platinum Eagle, the official platinum bullion coin of the United States. Platinum as an investment is often compared in financial history to gold and silver, which were both known to be used as money in ancient civilizations. Experts posit that platinum is about 15–20 times scarcer than gold and ...
Tilapia (/ t ɪ ˈ l ɑː p i ə / tih-LAH-pee-ə) is the common name for nearly a hundred species of cichlid fish from the coelotilapine, coptodonine, heterotilapine, oreochromine, pelmatolapiine, and tilapiine tribes (formerly all were "Tilapiini"), with the economically most important species placed in the Coptodonini and Oreochromini. [2]
Aqua regia (/ ˈreɪɡiə, ˈriːdʒiə /; from Latin, "regal water" or "royal water") is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. [b] Aqua regia is a fuming liquid. Freshly prepared aqua regia is colorless, but it turns yellow, orange or red within seconds from the formation of nitrosyl chloride and ...