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H7020 Sigma

Hydrochloric acid

ACS reagent, 36.5-38.0% HCl basis

Properties

grade   ACS reagent
vapor density   1.3 (vs air)
vapor pressure   3.23 psi ( 21.1 °C)
  7.93 psi ( 37.7 °C)
assay   36.5-38.0% HCl basis
impurities   ≤1 ppm Free chlorine (Cl)
  ≤5 ppm Extractable organic substances
ign. residue   ≤5 ppm
color   APHA: ≤10
bp   >100 °C(lit.)
density   1.2 g/mL at 25 °C(lit.)
anion traces   bromide (Br-): ≤0.005%
  sulfate (SO42-): ≤1 ppm
  sulfite (SO32-): ≤1 ppm
cation traces   As: ≤0.01 ppm
  Fe: ≤0.2 ppm
  NH4+: ≤3 ppm
  heavy metals (as Pb): ≤1 ppm

Price and Availability

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