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Rulon Bearings

Krypton, Kr
Categories: Fluid; Pure Element

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Physical PropertiesMetricEnglishComments
Density 0.00345 g/cc0.000125 lb/in³Gas
 
Chemical PropertiesMetricEnglishComments
Atomic Mass 83.8083.801995
Atomic Number 3636
X-ray Absorption Edge 0.86546 Å0.86546 ÅK
 6.456 Å6.456 ÅLI
 7.1653 Å7.1653 ÅLII
 7.4227 Å7.4227 ÅLIII
Critical Temperature -63.74 °C-82.73 °F
Critical Molar Volume 91.0 cm³/mol5.55 in³/mol
Electronegativity 3.03.0Pauling
 
Thermal PropertiesMetricEnglishComments
Specific Heat Capacity 0.248 J/g-°C0.0593 BTU/lb-°F
Thermal Conductivity  0.00330 W/m-K
@Pressure 0.000 MPa,
Temperature -173 °C
0.0229 BTU-in/hr-ft²-°F
@Pressure 0.000 psi,
Temperature -280 °F
gas; low pressure limiting value
 0.00640 W/m-K
@Pressure 0.000 MPa,
Temperature -73.1 °C
0.0444 BTU-in/hr-ft²-°F
@Pressure 0.000 psi,
Temperature -99.7 °F
gas; low pressure limiting value
 0.00950 W/m-K
@Pressure 0.000 MPa,
Temperature 26.9 °C
0.0659 BTU-in/hr-ft²-°F
@Pressure 0.000 psi,
Temperature 80.3 °F
gas; low pressure limiting value
 0.0123 W/m-K
@Pressure 0.000 MPa,
Temperature 127 °C
0.0854 BTU-in/hr-ft²-°F
@Pressure 0.000 psi,
Temperature 260 °F
gas; low pressure limiting value
 0.0148 W/m-K
@Pressure 0.000 MPa,
Temperature 227 °C
0.103 BTU-in/hr-ft²-°F
@Pressure 0.000 psi,
Temperature 440 °F
gas; low pressure limiting value
 0.0171 W/m-K
@Pressure 0.000 MPa,
Temperature 327 °C
0.119 BTU-in/hr-ft²-°F
@Pressure 0.000 psi,
Temperature 620 °F
gas; low pressure limiting value
Melting Point -157.38 °C-251.28 °F
Boiling Point -153.22 °C-243.80 °F
Heat of Formation 0.000 kJ/mol0.000 kJ/molGas
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.3032
@Temperature -157 °C,
Wavelength 546 nm
1.3032
@Temperature -251 °F,
Wavelength 546 nm
 
Component Elements PropertiesMetricEnglishComments
Krypton, Kr 100 %100 %
 
Descriptive Properties
AppearanceColorless Gas
CAS Number7439-90-9

References for this datasheet.

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AMEKr / 52

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