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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium.

  3. Unit price - Wikipedia

    en.wikipedia.org/wiki/Unit_price

    The average price per unit can be driven upward by a rise in unit prices, or by an increase in the unit shares of higher-priced SKUs, or by a combination of the two. An 'average' price metric that is not sensitive to changes in SKU shares is the price per statistical unit. [1] Price per statistical unit. Price per Statistical Unit ($) = Total ...

  4. Solvay process - Wikipedia

    en.wikipedia.org/wiki/Solvay_process

    The Solvay process or ammonia–soda process is the major industrial process for the production of sodium carbonate (soda ash, Na 2 CO 3).The ammonia–soda process was developed into its modern form by the Belgian chemist Ernest Solvay during the 1860s. [1]

  5. Price of oil - Wikipedia

    en.wikipedia.org/wiki/Price_of_oil

    The oil prices were seen rising to hit $71.38 per barrel in March 2021, marking the highest since the beginning of the pandemic in January 2020. [116] The oil price rise followed a missile drone attack on Saudi Arabia's Aramco oil facility by Yemen’s Houthi rebels. [117] The United States said it was committed to defending Saudi Arabia. [118]

  6. Jorf Lasfar - Wikipedia

    en.wikipedia.org/wiki/Jorf_Lasfar

    Jorf Lasfar. Jorf Lasfar (Arabic for "Yellow Cliffs") [1] is a deepwater commercial port located on the Atlantic coast of Morocco. [2] In terms of the volume of product processed, as of 2004, it was considered the second most important port in Morocco (just after Casablanca). [3]

  7. Why This Sand From Texas Is Suddenly Worth $80 a Ton - AOL

    www.aol.com/news/why-sand-texas-suddenly-worth...

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  8. Equivalent concentration - Wikipedia

    en.wikipedia.org/wiki/Equivalent_concentration

    Normality is defined as the number of gram or mole equivalents of solute present in one liter of solution.The SI unit of normality is equivalents per liter (Eq/L). = where N is normality, m sol is the mass of solute in grams, EW sol is the equivalent weight of solute, and V soln is the volume of the entire solution in liters.

  9. Oil shale reserves - Wikipedia

    en.wikipedia.org/wiki/Oil_shale_reserves

    In Morocco, oil shale deposits have been identified at ten localities with the largest deposits in Tarfaya and Timahdite. Although reserves in Tarfaya and Timahdit are well explored, the commercial exploitation has not started yet and only a limited program of laboratory and pilot-plant research has been undertaken. [ 16 ]