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A200355 | Sodium Dichromate 2-hydrate (Reag. USP) ANALYTIC-ACS

M: 298,00 EC: 234-190-3 NC: 2841 30 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:   7789-12-0
  • Formula:   Na2Cr2O7.2H2O
  •  
Specifications

Assay (Iodom.).......................................................................99,5-100,5%

pH of 5% solution.......................................................................... 3,6-3,9

MAX. IMPURITIES

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

Chloride (Cl).................................................................................. 0,002 %

Sulphate (SO4)................................................................................ 0,01 %

Al.................................................................................................. 0,001 %

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

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

Fe.................................................................................................. 0,002 %

K..................................................................................................... 0,01 %

Mg................................................................................................ 0,005 %

Pb................................................................................................. 0,005 %

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