Sodium sulfite anhydrous CAS NO.7757-83-7

we can supply high quality products and first class service for our clients

1..we can supply sample for testing

2.if the parcel was loss,we will reship for free

3.if you want new products,we can synthesis it for your and secret

Model Number: Tech Grade

The Spec as follow:

Fe,mass fraction:                                            ≤0.003%,

Heavy metal(pb) ,mass fraction:                       ≤0.0001%,

As content,mass fraction:                                 ≤0.00001%,

Sulfate(As content NaSO4):                              ≤2.5%,

Chloride(Nacl):                                                ≤0.02%,

Solubility in water:                                           ≤0.02%.

Complied with Chinese  Quality Standard of GB1893-1998

Packing : Double-layer plastic woven bag.