Introduction

Our factory manufacture three grade sodium metabisulfite:
1. sodium metabisulfite for food grade
2. sodium metabisulfite for industrial grade
3. High Purity sodium metabisulfite

Three kinds of sodium metabisulfite, can be used in industrial plating industry, preservative for shrimp, treatment agent in leather, oilfield waste water treatment, dyeing industry as well as for mining beneficiation agent and other fields.





SODIUM METABISULFITE



Items

Index



Molecular Formula

Na 2 S 2 O 5



Molecular Weight

190.10



Appearance

white crystal powder



Packing

polypropylene weaving bag, paper plastic complex bag and kraft lined with polyethylene plastic bag



Net weight

25, 50, 1000 kilograms per bag or according to demands from
customers



HS Code

2832100000



20GP

25 tons/25kg bag 24 tons/1000kg bag




Certificate of Analysis of Industrical Grade




Industrical grade


Standard


Results




Content ( as Na 2 S2O 5 ) %鈮?


96.5


97. 2




Phase


White or light yellow
crystalline powder


White or light yellow
crystalline powder




Appearance of solution


-


Colorless and transparent




Nacl %鈮?


-


0.02




Iron ( as Fe ) 锛呪墹


0.005


0.0009




Arsenic ( as As ) %鈮?


0.0001


0.0001




Heavy metal锛坅s Pb锛? 鈮?


0.0005


0.0005




PH Value


4.0-4.6


4.48




Water Insoluble %鈮?


0.05


0.03



Certificate of Analysis of Food Grade




Food grade


Standard


Results




Content ( as Na 2 S2O 5 ) %鈮?


9 7.0


97. 5




Phase


White or light yellow
crystalline powder


White or light yellow
crystalline powder




Appearance of solution


-


Colorless and transparent




Nacl %鈮?


-


0.02




Iron ( as Fe ) 锛呪墹


0.003


0.0009




Arsenic ( as As ) %鈮?


0.0001


0.0001




Heavy metal锛坅s Pb锛? 鈮?


0.0005


0.0005




PH Value


4.0-4.6


4.42




Water Insoluble %鈮?


0.05


0.03



Certificate of A

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