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二氧化硅

 

 

 

 

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二氧化硅
執行標準:FCC-1983

    含 量(SiO2

≧94.0%

    

≤0.0003%

    重金屬(as Pb)

≤0.003%

    干燥失重(1050C 2hr)

≤7.0%

    灼燒失重(10000C 1hr)

≤8.5%

    硫酸鹽 (as Na2SO4)

≤5%

    篩余物(325 MESH

≤5%

    

0.0003% MAX

    PH (5% 溶液)

6.0---7.5

    結論

符合FCC-1983

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