●Cr2O3(%):25-26
●Basicity(%):33-34
●Fe(%):0.1 MAX
●Water nsolubles(%):0.1 MAX

●Item:Industrial Grade
●Content(as Na2S2O5 ) %:≥ 97.0
●Fe % (as Fe) %:≤ 0.0015
●Water-Insoluble %:≤ 0.01

●Colour Index No.:C.I.Sulphur Black 1(53185)
●Standard of identity:HG/T3427-2001
●Appearance:Flashing Black Flakes or Granules
●Strength (with the standard ):100%

●Name:Sodium Sulphide (Na2S)
●Color:Yellow or Red Flakes
●Packing:25kds/bag woven plastic bag or 150kgs /iron drums
●Model:10PPM

●Appearance:White crystal
●N:21.0%min
●Water:0.2%max
●Free acid:0.03%max

●Content (as dry base):99.5%min
●Moisture:0.5%max
●Residue in ignition:0.4%max
●Iron (Fe):0.0007%max

●SODIUM CHLORITE:≥80
●NAClO3:≤4
●NAOH:≤3
●NA2CO3:≤2

●sodium sulphate %(Na2SO4):99.5 MIN.
●water insolubles %:0.01 MAX.
●Ca + Mg (as Mg) %:0.03 MAX.
●chlorides %(Cl):0.07 MAX.