Best quality SMBS

SMBS Purity>96% Appearance:white powder Pb<10 ppm As<5 ppm Cd<10ppm

                                                SODIUM METABISULPHITE

1. Molecular Formula : Na2 S2 O5

2. CAS# :                    7681-57-4

3. HS Code:                28311000

4. Qualities are conformed to HG/T 2935-2006  

ITEMS	UNIT	SPECIFICATION
Purity	%min	96
As	(ppm) max	5
Fe	(ppm) max	50
Pb	(ppm) max	10
Cd	(ppm) max	10
PH		4-5
Water insolubles	(%)max	0.05

5. Packing :

    Net 25kgs plastic woven bags with inner liner or as requested.

6. Storage:

   Sealed in cool dry place.

Best quality SMBS