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UN1056 Rare Gases Kr Noble Gas Krypton Excimer Laser Gas Mixtures

Categories Rare Gases
Brand Name: newradar
Model Number: N/A
Certification: ISO/DOT/GB
Place of Origin: china
MOQ: 1cubic meter
Price: negotiable
Payment Terms: T/T, L/C, Western Union
Supply Ability: 4000 cubic meter per month
Delivery Time: 10 working days after received your payment
Packaging Details: 8L , 10L , 44L , 50L
Purity: 99.999%
Product name: Krypton
Appearance: colorless
Cylinder size: 8L,10L,44L,49L
Feature: colorless gas, exhibiting a whitish glow in a high electric field
Grade Standard: Industry grade/ electronic grade
symbol: kr
Un Number: 1056
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    UN1056 Rare Gases Kr Noble Gas Krypton Excimer Laser Gas Mixtures

    UN1056 Rare Gases Kr Noble Gas Krypton Excimer Laser Gas Mixtures


    Description:


    Krypton is a rare atmospheric gas which is odorless, colorless, tasteless, nontoxic, monatomic and chemically inert.


    The concentration of Krypton in the atmosphere by volume percent is 1.1 x 10-4. Krypton is principally shipped and used in gaseous form for excimer lasers, light bulbs, window insulation and R & D laboratory research.


    Newradar Special Gases Material Safety Data Sheets (MSDS) are available for Krypton gas and should be used as guidelines in regard to first aid, methods of storage, handling and general use of Krypton.


    Specifications:


    ComponentSpecificationConcentration
    KRYPTON99.999%>99.999%
    HYDROGEN(H2)≤0.5 ppm≤0.5 ppm
    OXYGEN+AIR (O2+Ar)≤1.5 ppm≤1.5 ppm
    NITROGEN (N2)≤2.0ppm≤2.0 ppm
    CARBON MONOXIDE (CO)≤0.3ppm≤0.3ppm
    CARBON DIOXIDE(CO2)≤0.4ppm≤0.4 ppm
    CH4≤0.3 ppm≤0.3 ppm
    XENON(Xe)≤2.0 ppm≤2.0 ppm
    MOISTURE (H2O)≤2.0 ppm≤2.0 ppm
    TETRAFLUOROMETHANE (CF4)≤1.0 ppm≤1.0 ppm

    Physical properites


    Physical properties
    Chemical namekr
    Molecular weight83.80
    Density of the gas at 70°F (21,1°C), 1 atm0.2172 lb/ft3, 3.479 kg/m3
    Specific gravity of the gas at 70°F (21 ,1°C), 1 atm2.899
    Specific volume of the gas at 70ºF (21,1°C), 1 atm4.604 ft3/lb, 0.287 m3/kg
    Boiling point at 1 atm-244.0ºF, -153.4ºC
    Melting point at 1 atm-251º F, -157ºC
    Critical temperature at 1 atm-82.8ºF, -63.8ºC
    Critical density56.7 lb/ft3, 908 kg/m3
    Critical pressure798.0 psia, 55.02 bar
    Triple point-251.3ºF, -157.4ºC
    Latent heat of vaporization at normal boiling point46.2 Btu/lb, 107.5 kJ/kg
    Latent heat of fusion at triple point8.41 Btu/lb, 19.57 kJ/kg

    Specific heat of the gas at 70ºF (21,1°C), 1 atm Cp

    Cv

    0.060 Btu/(lb) (ºF) 0.251 kJ/(kg) (ºC)

    0.035 Btu/(lb) (ºF) 0.146 kJ/(kg) (ºC)

    Applications:


    1 Krypton is used in some photographic flashes for high speed photograph.


    2. Krypton gas is also combined with other gases to make luminous signs that glow with a bright

    greenish-yellow light.


    3. Krypton is mixed with argon in energy efficient fluorescent lamps, reducing the power consumption,

    but also reducing the light output and raising the cost.


    4. Krypton (along with xenon) is also used to fill incandescent lamps to reduce filament evaporation and

    allow higher operating temperatures.A brighter light results with more blue color than conventional

    incandescent lamps.


    5. Krypton's white discharge is often used to good effect in colored gas discharge tubes, which are simply

    painted or stained to create the desired color (for example, "neon" type multi-colored advertising signs

    are often entirely krypton-based).


    6. Krypton-83 has application in magnetic resonance imaging (MRI) for imaging airways. In particular, it

    enables the radiologist to distinguish between hydrophobic and hydrophilic surfaces containing an

    airway.

    Product Tags:

    rare noble gas

      

    inert noble gases

      
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