- Country of manufactureChina
Type quantity: 158.11
Boiling point: 100 ℃
Melting point: 48 ℃
Chinese name:
DaSuDa
HaiBO
Sodium sulfite times
There is no water and sulfur sodium sulfate
English name: subsulfite Sodium
Sodium thiosulfate
Chlorine control
Chlorine is
Anhydrous
Properties: single crystal is the white crystal powder, specific gravity of 1.667, easily soluble in water, soluble in alcohol, in the air heating oxidation down into sodium and sulfur dioxide. In isolation in the air (oxygen) burning is generating sodium sulfate, LiuHuaJian and sulfur.
USES: mainly used in photography industry fuser agent for. Secondly as tanning weighed chromate salt of the reducing agent, nitrogen tail gas and agent, salt, wheat stem and hair bleach and pulp bleaching agent of chlorine off. Tetraethyl lead, also used in the manufacture of such as dye intermediates and ore mention silver etc.
Method: sulfur and TuoShuiFa sodium. By five water sulfur generation through melting, sodium filtration, concentration, dehydration, made no water sulfur and sodium.
Na2S2O3. 5 H2O-Na2S2O3 + 5 H2O
Packing: in plastic woven bag lined with PVC plastic bags or packaging, 40 kg net weight of each bag.
Storage and transportation note: should be stored in a cool and dry in the warehouse. Avoid light, sealing save, transport should avoid insolate, damp and rain.