焦亚硫酸钠（食品级 GB1893-86）

 

SODIUM METABISULFITE

 

SYNONYM: SODIUM PYROSULFITE

 

FORMULA: Na2S2O5

 

M. W.: 190.10

 

CAS NO.: 7681-57-4

 

GRADE: FOOD GRADE

 

DESCRIPTION: WHITE OR LIGHT YELLOW CRYSTALLINE POWDER.

 

SPECIFICATIONS:

CONTENT (SO2)

65.0% MIN.

IRON (Fe)

0.005%MAX.

INSOLUBLE IN WATER

0.05%MAX.

HEAVY METALS (Pb)

0.002%MAX.

ARSENIC (As)

0.002%MAX.

PH VALUE

4.0-4.6

 

USES: BLEACH OR LOOSE AGENT OF FOOD (E.G. BREAD, WHEAT FLOUR, CAKE ETC.)

GERMICIDE OF BEVERAGE (E.G. FRUIT JUICE. ETC.);

ANTISEPTIC OF FOOD (E.G. BEER, TINNED FOOD ETC.).

 

PACKING: IN PVC PLASTIC FILM WITH A POLYPROPYLENE OVER BAG. NET WEIGHT: 25, 50, 1000KILOGRAMS PER BAG.