REFERENCES:
1-Iffet Yakar Elbeyli, Emek Möröydor Derun,
Thermal analysis of borogypsum and its
effects on the physical properties of Portland
cement, Cem. Concr. Res., 2003. 33(11): PP.
1729-1735.
2-S. Ali, I. A. Khan and M. I. Hossain, Chemical
Analysis of Ordinary Portland Cement of
Bangladesh, Chemical Engineering Research
Bulletin, 2008, 12 PP: 7-10.
3-British standard Institutes, Section BS 4550:
Part 2: 1970 and BS 12: 1991.
4-Taylor H.F. W., The Chemistry of Cements.
Vol. 1. 1946, New York: Academic Press.
5-Furman N.H., et al., Standard Method of
Chemical Analysis, 6th ed. 1962, New York:
Van Nostrand Reinhold Co.
6-Amin N., Ali K. and Shah M., Raw mix
designing, clinkerization and manufacturing
of high strength Portland cement from the
lime stone and clay of Darukhula Nizampur,
District Nowshera, N.W.F.P., Pakistan,
Chinese journal of geochemistry, 2009. 28(3):
PP. 279–283.
7-Neville A.M., Concrete Technology, 4th ed.
1996, Singapore: Long man Singapore
Publishers Ltd.
8-Pandey G.N. and S. D. Shukla, A Text Book of
Chemical Technology. Vol. 1. 1980, New
Delhi: Vikas Publishing House.
9-J. Bensted, Early hydration behaviour of
portland cements containing boro-, citro- and
desulphogypsum. Cem. Concr. Res. 1980, 10,
P. 165.
10-Noor-ul-Amin, Khurshid Ali, Chemical
Analysis and Comparison of Ordinary
Portland Cement of Pakestan, Chemical
Engineering Research Bulletin, 2010, 14, PP.
45-49.