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《Glass & Enamel》 2009-03
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Determination of COD in Raw Materials for Glass Making

BAI Xiao-hua(Department of Environmental and Chemical Engineering,Luoyang College of Science and Technology,Luoyang 471023,China)  
A method for the determination of COD in raw materials for glass making was described.In strong acid medium,an oxidant so called potassium dichromate was used for dealing with the raw materials,and then normal liquor of(NH4)2Fe(SO4)2 was used to titrate it.The data from this measuration are reproduceable and credible.The standard deviation of the measured results of mineral raw materials is less than 15,and that of the chemical raw materials is less than 3.
【CateGory Index】: TQ171.41
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