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Metal fume fever, also known as brass founders' ague, brass shakes, [1] zinc shakes, galvie flu, galvo poisoning, metal dust fever, welding shivers, or Monday morning fever, [2] is an illness primarily caused by exposure to chemicals such as zinc oxide (ZnO), aluminium oxide (Al 2 O 3), or magnesium oxide (MgO) which are produced as byproducts in the fumes that result when certain metals are ...
This method would result in the production of toxic fumes of arsenous oxide and the loss of much of the arsenic present in the ores. [7] The co-smelting of oxidic and sulfidic ores such as malachite and arsenopyrite together. This method has been demonstrated to work well, with little in the way of dangerous fumes given off during it, because ...
Cadmia/tuttia/tutty – probably zinc carbonate. Calamine – zinc carbonate. Calomel/horn quicksilver/horn mercury – mercury(I) chloride, a very poisonous purgative formed by subliming a mixture of mercuric chloride and metallic mercury, triturated in a mortar and heated in an iron pot. The crust formed on the lid was ground to powder and ...
An extract and symbol key from Kenelm Digby's A Choice Collection of Rare Secrets, 1682 The alchemical magnum opus was sometimes expressed as a series of chemical operations. In cases where these numbered twelve, each could be assigned one of the Zodiac signs as a form of cryptography.
While technology did advance to the point of creating surprisingly pure copper, most ancient metals are in fact alloys, the most important being bronze, an alloy of copper and tin. As metallurgical technology developed ( hammering , melting , smelting , roasting , cupellation , moulding , smithing , etc.), more metals were intentionally ...
Zinc production may have begun in India, and ancient northwestern India is the earliest known civilization that produced zinc on an industrial scale. [44] The distillation technique was developed around 1200 CE at Zawar in Rajasthan. [34] In the 17th century, China exported Zinc to Europe under the name of totamu or tutenag.
Located in north-central China, the ancient city of Xi’an has long been famous for its 2,000-year-old Terracotta Army, an attraction that draws travelers from all over the globe.
Rather than spinning a wheel for prizes, players are given keys which are used to open a chest of their choosing. [86] On 26 March 2014, Gerhard reiterated his stance on microtransactions and their importance in updating RuneScape , and announced a partnership with Supersonic ads, allowing players to earn RuneCoins by watching advertisements or ...