Certificate of A nalysis of Industrical Grade
Industrical grade
Standard
Results
Content ( as Na 2 S2O 5 ) %Y
96.5
97. 2
Phase
White or light yellow
crystalline powder
White or light yellow
crystalline powder
Appearance of solution
-
Colorless and transparent
Nacl %¨¹
-
0.02
Iron ( as Fe )
0.005
0.0009
Arsenic ( as As ) %¨¹
0.0001
0.0001
Heavy metal¡ê¡§as Pb¡ê©% ¨¹
0.0005
0.0005
PH Value
4.0-4.6
4.48
Water Insoluble %¨¹
0.05
0.03
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
