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Low ferric sodium sulfide

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Properties

 mixture. Appearance is yellow flaky matter


Packaging

25kg/bag. Inner bag is woven bag, sewn by machine; the intermediate layer is plastic film, sealed by heat; Outer bag is ink gray netted woven bag, sewn by machine.


Uses

Mainly used in medicine, top-grade paper, PPS plastic, leather, printing and dyeing, or dressing industry


Cautions

avoid rain, moisture and heat, no breakage, no mix with corrosive matter.


Technical index

Item

Index


Top grade

Na2S                   ω/%≥

60.00

Na2SO3              ω/%≤

0.60

Na2S2O3            ω/%≤

1.30

Fe content,         ω/% ≤

0.0018

Water insoluble  ω/%≤

0.025


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