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2Â¥: Originally posted by xhtangxh at 2014-03-27 18:24:57
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Card Information
Names:        Calcium Oxide
        Lime, syn
        calcia
        burnt lime
        quicklime
Formula:        Ca O
PDF Number:        37-1497
Quality:        star
Subfiles:        inorganic mineral alloy CEM CP  EDU FO ...

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hangcui326: ½ð±Ò+20, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2014-03-28 09:03:35
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Card Information
Names:        Calcium Oxide
        Lime, syn
        calcia
        burnt lime
        quicklime
Formula:        Ca O
PDF Number:        37-1497
Quality:        star
Subfiles:        inorganic mineral alloy CEM CP  EDU FOR NBS

Cell and Symmetry Information
System:        cubic        Space Group:        Fm-3m    (no. 225)
a:        4.81059       
Z:        4

Instrument Information
Radiation:        CuKa1        Wavelength:        1.5405981        Filter:        Graph
Instrument(d):        diffractometer        Cut Off:        17.7        Standard:        W
Instrument(I):        diffractometer        I type:        peak heights

Comments and Additional Information
Preparation:        The sample was prepared from calcium hydroxide obtained from Fisher Scientific Co., Fair Lawn, New Jersey, USA, by heating it to 925 degrees overnight.  It was kept under a stream of dry N2 during data collection.
Structure:        The structure was determined by Oftedal (1).
Pattern:        See ICSD 75785 (PDF 01-082-1690).
Temperature:        The mean temperature of data collection was 25.3 degrees.
Pattern:        To replace 00-004-0777 (2).
General:        References to earlier patterns will be found in reference 4.
Colour:        Colorless
General:        Pattern reviewed by K. Martin and G. McCarthy, North Dakota State Univ., Fargo, North Dakota, USA,  ICDD Grant-in-Aid  (1990). Excepte for the (220) reflection, there is good agreement with experimental and calculated patterns. The experimental pattern had I(220)=245; the calculated value is I(220)=49.

Literature References
General:        McMurdie, H., Morris, M., Evans, E.,Paretzkin, B., Wong-Ng, W., Hubbard, C. Powder Diffraction    1   266 (1986)
Structure:        1. Oftedal, I. Z. Phys. Chem. (Leipzig)  128   154 (1927)
Pattern:        2. Swanson, H., Tatge, E. Natl. Bur. Stand. (U.S.), Circ. 539    1    43 (1953)

Peak Data
PeakList
         h         k         l           d          I
         1         1         1        2.7774          36
         2         0         0        2.4059         100
         2         2         0        1.7009          54
         3         1         1        1.4505          16
         2         2         2        1.3888          16
         4         0         0        1.2026           6
         3         3         1        1.1037           6
         4         2         0        1.0758          16
         4         2         2        0.9819          12
         5         1         1        0.9257           6
         4         4         0        0.8504           6
         5         3         1        0.8131          10
         6         0         0        0.8018          16

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2Â¥2014-03-27 18:24:57
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