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2. Diatomaceous earth - Wikipedia

   en.wikipedia.org/wiki/Diatomaceous_earth

   Diatomite rock sample from Sisquoc Formation Scanning electron micrograph of diatomaceous earth. Diatomaceous earth (/ ˌ d aɪ. ə t ə ˈ m eɪ ʃ ə s / DY-ə-tə-MAY-shəs), also known as diatomite (/ d aɪ ˈ æ t ə m aɪ t / dy-AT-ə-myte), celite, or kieselguhr, is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder.

3. Sodium silicate - Wikipedia

   en.wikipedia.org/wiki/Sodium_silicate

   Method 1 requires passing carbon dioxide gas through the mixture of sand and sodium silicate in the sand molding box or core box. The carbon dioxide reacts with the sodium silicate to form solid silica gel and sodium carbonate. [citation needed] This provides adequate strength to remove the now hardened sand shape from the forming tool ...

4. Silica sand - Wikipedia

   en.wikipedia.org/?title=Silica_sand&redirect=no

   This page was last edited on 10 July 2023, at 10:48 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...

5. Prices of chemical elements - Wikipedia

   en.wikipedia.org/wiki/Prices_of_chemical_elements

   In the form of boric acid, price per boron contained. Min. 99% pure. 6: C: Carbon: 2.267: 200 (5.54 × 10 18 kg) 0.122: 0.28: 2018: EIA Coal [19] In the form of anthracite, price per carbon contained, assuming 90% carbon content. There is a wide variation of price of carbon depending on its form.

6. Lochaline Mine - Wikipedia

   en.wikipedia.org/wiki/Lochaline_Mine

   It was closed by Tarmac in 2008, but revived in 2012 in a joint enterprise between Pilkington's and Gruppo Minerali Maffei, an Italian mining company, as Lochaline Quartz Sand. [13] At its re-opening, the mine covered 378 acres (153 ha) accessed by 30 miles (48 km) of tunnels, and was estimated to have a working life of a decade and produce an ...

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   Select appliances are up to 40% off through Monday at Home Depot. Each comes with free delivery and install, which you absolutely cannot beat. Refrigerators and select washers and dryers are up to ...

8. Ironsand - Wikipedia

   en.wikipedia.org/wiki/Ironsand

   Ironsand, also known as iron-sand or iron sand, is a type of sand with heavy concentrations of iron. It is typically dark grey or blackish in color. It is typically dark grey or blackish in color. It is composed mainly of magnetite , Fe 3 O 4 , and also contains small amounts of titanium, silica, manganese, calcium and vanadium.

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