• جزئیات بیشتر مقاله
    • تاریخ ارائه: 1397/12/20
    • تاریخ انتشار در تی پی بین: 1397/12/20
    • تعداد بازدید: 424
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -

    the performance of portland cement in concrete or mortar formation is very well influenced by chemical compositions among other factors. many engineers usually have little information on the chemical compositions of cement in making decisions for the choice of commercially available portland cement in the world. in this work demonstrated and recommended for using reference and standard methods for chemical analyzed portland cement. specific chemical methods for analysis are presented in this review. they are grouped as reference and standard methods. the insoluble residues; silicon dioxide; ammonium hydroxide group; ferric oxide; phosphorus pentoxide; titanium dioxide; zinc oxide; aluminum oxide, calcium oxide; magnesium oxide; loss on ignition; sodium and pottasium oxides; manganic oxide; chloride; and, chloroform soluble organic substances, reference methods are summarized.

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