Krypton(氪)
Acolorless,non-flammable,highpressuregas.(一种无色,不燃,高压气体)
Formula(分子式)Kr
Molecularweight(分子量):83.8
Boilingpoint(沸点):-153.4°C,-244.12°F;.
Meltingpoint(融点):-157.4°C,-251.32°F.
SpecificVolume(比容):0.287m/kg(21.1°C,101.325KPa)
4.6ft/lb(70°F,14.696psia)
LowerFlammableLimit(可燃性含量):
UpperFlammableLimit(可燃性含量):
ThresholdLimitValue(人体的容许浓度):
UNNumber(UN号码):UN1056
DOTClassification(DOT类别):2.2(NonflammableGas)(不燃性气体)
DOTLabel(DOT标签):NON-FLAMMABLEGAS(不燃性气体)
CylinderConnection(钢瓶接口):CGA/DISS/JIS------580/718/W22-14R
Grade(级别)5N
Purity(纯度)99.999%
GuaranteedSpecification(保证规格)
Oxygen(氧)1ppmv
Nitrogen(氮)2pmv
CarbonDioxide(二氧化碳)0.5ppmv
CarbonMonoxide(一氧化碳)0.5ppmv
Methane(甲烷)1ppmv
Water(水)2ppmv
Xenon(氙)2ppmv
Argon(氩)1ppmv