氨气
A colorless,toxic,flammable,corrosive,liquefied gas.
(一种无色,有毒,可燃,具腐蚀性的可液化气体)
Formula(分子式): NH3
Molecular weight(分子量): 17.03
Boiling point(沸点) : -33.4℃,28.1°F;
Melting point(融点): -77.7℃,-107.9°F.
Vapor Pressure(蒸汽压): 888Kpa(21.1℃);129Psia(70°F)
Specific Volume(比容): 1.41m3/kg(21.1℃,101.325KPa)
22.6ft3/lb(70°F,14.696psia)
Lower Flammable Limit(可燃性含量): 6%
Upper Flammable Limit(可燃性含量): 25%
Threshold Limit Value(人体的容许浓度): 25ppm
UN Number(UN号码): UN1005
DOT Classification(DOT类别): 2.2(Nonflammable Gas)
DOT Lable(DOT标签): FLAMMABLE GAS(可燃性气体)
Cylinder Connection(钢瓶接口): CGA/DISS/JIS--660/720/W22-14R
Grsde(级别) 7N
Purity(纯度) 99.99999%
Guaranteed Specification(保证规格)
Impurity(非组分) |
Specification(标准) |
Oxygen(+Argon)氧(+氩) |
≤0.1 ppmv |
Nitrogen(氮) |
≤0.1 ppmv |
Carbon Dioxide(二氧化碳) |
≤0.1 ppmv |
Carbon Monoxide(一氧化碳) |
≤0.05 ppmv |
Hydrogen(氢) |
≤0.05 ppmv |
Water(水) |
≤0.2 ppmv |
Methane(甲烷) |
≤0.05 ppmv |
Cylinder Size(liter)钢瓶体积(升) |
Content(Kg,lbs)气含量(公斤,磅) |
43.8 |
22.73,50.0 |
49 |
25.00,55.0 |
439 |
227.3,500.0 |