SODIUM DICHROMATE ANHYDROUS CRISTALLINE

SODIUM DICHROMATE ANHYDROUS CRISTALLINE

GOST 2651-78

Appearance:
   Noncaking crystalls of light orange to dark red colour.

Empirical formula:
   Na2Cr2O7.

    Used in:

  • Tannery and fur industry for leather and fur tanning;
  • Chemical industry for producing non-organic pigments, catalyzers and other chrome-containing elements;
  • Textile industry for fabric pickling;
  • Other industries in passive mixtures content, in antifreeze liquid for engines, acetylene cleaning and chemical reagents.
Specification: High grade First grade
Main substance (Na2Cr2O3), min 98,9% 98,2%
Main substance in coversion to CrO3, min 75.5% 75.0%
Sulphates in conversion to SO4, max 0,1% 0,2%
Chlorides in conversion to Cl, max 0,2% 0,4%
Water insoluble residue, max 0,01% 0,02%
Main substance (Fe), max 0,001% 0,003%
pH of water, min 3,5 3,5
    Packing:

  • UN-approved polypropylene bags of 25 kg net each; stacked on wooden pallets, shrink wrapped;
  • UN-approved blue thin-walled steel drums of 60 kg net each, stacked on wooden pallets, shrink wrapped;
  • UN-approved tetraslinging banded soft containers of Big-Bag type of 1000 kg net each;
  • UN-approved tetraslinging banded soft containers of Big-Bag type with bottom flap of 1000 kg net each;
  • UN-approved polypropylene soft containers of Big-Bag type of 1000 kg net each