In this paper,using the thermo-decomposition quantitative method to determinethe alite content in cement clinker has beenstudied.It is shown that the alite contentdetermined by the thermo-decompositionmethod is very close to that obtained by theoptical microscopy method.The practicalquantitative analysis of alite in cement clinkerwas carried out by the thermo-decompositionmethod and a quite satisfactory result hasbeen obtained.
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