详情
Molecular Formula: Na2S2O3?5H2O
Molecular Weight: **8.*7
CASNO.: *********7
Properties& Applications:
White monoclinic crystal; It is easily soluble in the water while
not in alcohol and has deliquescence in the wet air; Widely used as
the photography fixative , dechlorinate of textile after bleaching,
and mordant of printing and dyeing, and also for pharmacy,
galvanization, tannage, metallurgy, dyestuff, and other
sectors.
Packing&Storage:
Packed in *5kg net PP/PE bags or as per customers demands; Stored
in dry and cool warehouse with packages sealed and away from rain
and wetting.
Quality Standard&#****6;HG/T ***8?*2 (Industry Grade)
Index Name High Grade First Class
Total (Na2S2O**5H2O)%&#***5; *9.0 *8.0
Sulfide&#****8;as Na2S&#****9;%&#***4; 0.**1 0.**3
Iron&#****8;Fe&#****9;%&#***4; 0.**2 0.**3
Water insoluble %&#***4; 0.*1 0.*3
PH Value&#****8;**0g/L Solution&#****9; 6.**9.5 6.**9.5
