Low ferric sodium sulfide

Time:2018-04-07 21:12  Author:admin  Click:

Product name:Low ferric sodium sulfide(Na2S.2 4/5H2O)
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.
Cautions:avoid rain, moisture and heat, no breakage, no mix with corrosive matter.
Uses:Mainly used in medicine, top-grade paper, PPS plastic, leather, printing and dyeing, or dressing industry
Technical index:

Item

Index

Top grade

First grade

Qualified grade

Na2S             £¨%£©     ≥

60.00

60.00

60.00

Na2SO3                £¨%£©     ≤

0.60

0.60

0.80

Na2S2O3              £¨%£©     ≤

1.20

1.40

1.60

Fe content,      £¨%£©     ≤

0.0020

0.0030

0.0050

Water insoluble  £¨%£©     ≤

0.03

0.05

0.05

 

 

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