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A200307 | Potassium Dichromate ANALYTIC-ACS-ISO

M: 294,19 EC: 231-906-6 NC: 2841 50 00 UN: 3288

IATA: 6.1/III PAX: 619 CAO: 619

Signal Word: Danger

83659 H350-H340-H360FD-H272-H312-H301-H330-

H314-H334-H317-H372-H410

  • CAS Number:   7778-50-9
  • Formula:   K2Cr2O7
  •  
Specifications

Minimum assay (Iodom.)................................................................ 99,5 %

pH of 5% solution.......................................................................... 3,7-3,9

MAX. IMPURITIES

Insoluble matter in H2O................................................................. 0,003 %

Loss on drying at 105°C................................................................. 0,05 %

Chloride (Cl).................................................................................. 0,001 %

Sulphate (SO4).............................................................................. 0,005 %

Ca................................................................................................. 0,002 %

Cd............................................................................................... 0,0005 %

Co............................................................................................... 0,0005 %

Cu................................................................................................. 0,001 %

Fe.................................................................................................. 0,001 %

Mg.............................................................................................. 0,0005 %

Mn.............................................................................................. 0,0005 %

Na................................................................................................... 0,02 %

Ni................................................................................................ 0,0005 %

Pb................................................................................................. 0,001 %

Zn............................................................................................... 0,0005 %

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