氪氣
商品詳細(xì)介紹 | ||
A colorless,non-flammable,high pressure gas.(一種無色,不燃,高壓氣體) | ||
Formula(分子式): | Kr | |
Molecular weight(分子量): | 83.83g/mol | |
Boiling point(沸點(diǎn)): | -153.4℃ | -244.12°F |
Melting point(熔點(diǎn)): | -157.4℃ | -251.32°F |
Specific volume(比容): | 0.287m3/kg(21.1℃,101.325KPa) | |
1.85ft3/lb(70°F,14.696psia) | ||
UN Number(UN號碼): | UN1760 | |
DOT Classification(DOT類別): | 2.2(Nonflammable Gas)(不燃性氣體) | |
DOT Lable(DOT標(biāo)簽): | NON-FLAMMABLE GAS(不燃性氣體) | |
Grsde(級別): | 5N | |
Purity(純度): | 99.999% |
純度 | ||
Impurity(非組分): | Specification(標(biāo)準(zhǔn)) | Result(結(jié)果) |
Krypton(氪): | ≥99.999% | >99.999% |
Oxygen(氧): | ≤1 ppmv | <1 ppmv |
Nitrogen(氮): | ≤2 ppmv | <2 ppmv |
Hydrogen(氫): | ≤2 ppmv | <2 ppmv |
THC(總碳?xì)?: | ≤2ppmv | <2ppmv |
Water(水): | ≤2.5 ppmv | <2.5ppmv |
包裝 | 容積 | 壓力 | 連接閥門 |
小鋼瓶 | 47L | 13MPa | CGA580 |
應(yīng)用: |
主要用于白熾燈泡、熒光燈、計(jì)數(shù)管、激光用光源、紫外線源、標(biāo)準(zhǔn)氣、特種混合氣等。 |