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Copper Concentrate
Copper concentrates produced by mines are sold to smelters and refiners who treat the ore and refine the copper and charge for this service via treatment charges (TCs) and refining charges (RCs). The TCs are charged in US$ per tonne of concentrate treated and RCs are charged in cents per pound treated, denominated in US dollars, with benchmark prices set annually by major Japanese smelters. The customer in this case can be a smelter, who on-sells blister copper ingots to a refiner, or a smelter-refiner which is vertically integrated.
Read more ...Copper Ore
Copper (Cu) has a cultural significance as it was the first metal used by man (probably as early as 7000 BC). Neolithic man mined native copper and used it as a substitute for stone; its malleability enabled easy shaping of tools by beating it. Copper was smelted as early as 3500 BC at Timna in Israel. Its property of alloying with other metals (particularly tin) was discovered about 500 years later and heralded the Bronze Age, which started in southern Europe between 3000 and 2500 BC.
Read more ...Manganese Sulphate Monohydrate
Manganese sulfate usually refers to the inorganic compound with the formula MnSO4(H2O). This pale pink deliquescent solid is a commercially significant manganese salt. Approximately 260 thousand tonnes of manganese(II) sulfate were produced worldwide in 2005. It is the precursor to manganese metal and many other chemical compounds. Mn-deficient soil is remediated with this salt
Read more ...Peruvian Hardwood
Hardwood is wood from dicot angiosperm trees. The term may also be used for the trees from which the wood is derived; these are usually broad-leaved. In temperate and boreal latitudes they are mostly deciduous, but in tropics and subtropics mostly evergreen.
Read more ...Peruvian Quinoa
A grain crop grown primarily for its edible seeds. It is a pseudocereal rather than a true cereal, as it is not a member of the true grass family. As a chenopod, quinoa is closely related to species such as beetroots, spinach and tumbleweeds. As a member of the Amaranthaceae family, it is related to and resembles amaranth, which is also a pseudocereal.
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