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  2. Ash (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Ash_(chemistry)

    ASTM D2974: Standard Test Methods for Determining the Water (Moisture) Content, Ash Content, and Organic Material of Peat and Other Organic Soils; ASTM D2866: Standard Test Method for Total Ash Content of Activated Carbon; ISO 3451: Plastics — Determination of ash — Part 1: General methods; ASTM D2584: Standard Test Method for Ignition Loss ...

  3. Coal analysis - Wikipedia

    en.wikipedia.org/wiki/Coal_analysis

    This removes high-ash value particle and increases the saleability of the coal as well as its energy content per unit volume. Thus, coals must be subjected to a float-sink test in the laboratory, which will determine the optimum particle size for washing, the density of the wash liquid required to remove the maximum ash value with the minimum work.

  4. Micro carbon residue - Wikipedia

    en.wikipedia.org/wiki/Micro_Carbon_Residue

    Micro carbon residue, commonly known as "MCR" is a laboratory test used to determine the amount of carbonaceous residue formed after evaporation and pyrolysis of petroleum materials under certain conditions.

  5. Coal combustion products - Wikipedia

    en.wikipedia.org/wiki/Coal_combustion_products

    Two classes of fly ash are defined by American Society for Testing and Materials (ASTM) C618: Class F fly ash and Class C fly ash. The chief difference between these classes is the amount of calcium, silica, alumina, and iron content in the ash.

  6. EN 14214 - Wikipedia

    en.wikipedia.org/wiki/EN_14214

    The ASTM and EN standards both recommend very similar methods for the GC based analyses. ... Sulfated ash content % (m/m)-0,02: ISO 3987: Water content:

  7. Feds find Worcester, Massachusetts police used force, had ...

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    Investigators said they had “serious concerns” about “credible reports of sexual assault and other sexual misconduct" by the officers.

  8. Activated carbon - Wikipedia

    en.wikipedia.org/wiki/Activated_carbon

    A carbon with a low soluble ash content should be used for marine, freshwater fish and reef tanks to avoid heavy metal poisoning and excess plant/algal growth. ASTM (D2866 Standard Method test) is used to determine the ash content of activated carbon.

  9. Mortgage and refinance rates for Dec. 9, 2024: Average rates ...

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    See today's average mortgage rates for a 30-year fixed mortgage, 15-year fixed, jumbo loans, refinance rates and more — including up-to-date rate news.

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