دی کلرومتان برای آنالیز کد 106050 مرک آلمان




Dichloromethane
stabilised, EMSURE ACS, ISO, Reag. Ph. Eur. for analysis
Synonym(s): DCM, Methylene chloride, Methylene dichloride, Methylene chloride
Molecular Weight: 84.93


Analysis Note
Evaporation Number: 1.9
Purity (GC): ≥ 99.8 %
Identity (IR): conforms
Appearance: clear
Color: ≤ 10 Hazen
Titrable acid: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Density (d 20 °C/ 4 °C): 1.324 - 1.326
Boiling point: 39 - 42 °C
Free chlorine (as Cl): ≤ 0.00002 %
Chloride (Cl): ≤ 0.0001 %
Matter discolored by H₂SO₄: ≤ 100 Hazen
Chloroform (GC): ≤ 0.005 %
Ethanol (GC): ≤ 0.02 %
Methanol (GC): ≤ 0.1 %
Carbon tetrachloride (GC): ≤ 0.005 %
Fluorescence (as quinine at 365 nm): ≤ 0.002 ppm
Al (Aluminium): ≤ 0.00005 %
B (Boron): ≤ 0.000002 %
Ba (Barium): ≤ 0.00001 %
Ca (Calcium): ≤ 0.00005 %
Cd (Cadmium): ≤ 0.000005 %
Co (Cobalt): ≤ 0.000002 %
Cr (Chromium): ≤ 0.000002 %
Cu (Copper): ≤ 0.000002 %
Fe (Iron): ≤ 0.00001 %
Mg (Magnesium): ≤ 0.00001 %
Mn (Manganese): ≤ 0.000002 %
Mo (Molybdenum): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.01 %
Stabilized with about 50 ppm 2-Methyl-2-butene.