Sodium hydrosulfite is a versatile chemical that's used in the manufacture of a variety of products we all use every day, from photographic film to wine; from fine writing papers to leather goods; from colored...
0.008Max / 0.005Max
Packing: In 25kg net PP/PE bag.
Uses: used in dye, printing, dyeing, papermaking, metallurgy and mine, also used in Na2CO3 and Na2S2O3....
Sodium Sulphide Chemical Specifications:
Total Sulphide as Na2S
Sodium Hydrosulphide as NaSH
2. 5% Max
Excess Alkali as NaOH
2. 00% Max
Other Reducing compounds as Na2S2O3
2. 00% Max
Iron as Fe2O3 and...
2>Prevent from direct sunlight, water and moisture；
3>Avoid contact with strong add oxidants；
4>Do not stores it for long time.
PHOTO GRADE TECH GRADE TECH GRADE
to air, poison
used as making sulphur dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making also widely used in pigment and rubber industry,...
PROPERTY:MONOCLINIC CRYSTAL, MELTING POINT 40-45°c,RELATIVE DENSITY:1.729(17°c)
PACKING: 25KG,PLASTIC WOVEN BAG, OR FOLLOWING YOUR DEMAND
APPLICATION:USED IN FIXERS,PLATING, LEATHER,REDUCTANT, DECHLORINATING...
Na2S2O3-KI titration (enterprise standard).
2. Using the MERCK Hydrogen peroxide test strips to measure the residual H2O2 of samples: immerse the test strip in the samples and remove it after 1 second, compare it...
Technical Index: Index Item Index Content of Soldium Sulfide(Na2S),% 44.0Min Content of Iron(Fe),% 0.0005Max Content of Water Insoluble,% 0.010Max Content of Sodium Sulfite(Na2SO3),% 0.30Max Content of Sodium...
used as making sulphur dyestuff intermediate reducer,...
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