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Hydrofluoric Acid(AHF)


 Product name: Hydrofluoric Acid(AHF)
 
Physical index:
  Units  
molecular formula   HF
molecular weight g/mol 20.008
Melting point °C -83.37
boiling point °C 19.51
liquid density (25°C) g/cm3 0.9576
vapor pressure (25°C) MPa 0.1229
critical temperature °C 188
critical pressure MPa 6.48
critical density g/cm3 0.29
boiling point heat of gasification KJ/mol  
 
Hydrofluoric Acid Quality index:
Index HF % ≥ H2O % ≤ SO2 % ≤ fixed acid
≤(H2SO4)%
H2SiF6 % ≤
special grade 99.98 0.01 0.001 0.003 0.006
superior grade 99.95 0.03 0.007 0.005 0.010
top grade 99.90 0.06 0.015 0.020 0.020
 
Hydrofluoric acid packaging: steel drum; 320kg/bottle, 640kg/bottle
 
Quality index:
grade superior grade top grade qualified
product name/component HF30-45 HF50-70 HF30-45 HF50-70 HF30-45 HF50-70
HF % 30-45 50-70 30-45 50-70 30-45 50-70
H2SiF6 % ≤ 0.02 0.02 0.2 0.5 2.5 5.0
fixed acid ≤(H2SO4)% 0.02 0.02 0.05 0.08 1.0 2.0
Packaging: plastic drum; 10kg/drum, 25kg/drum, 220kg/drum; steel cylinder: 330kg/bottle

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