Sodium ulphite anhydrous

back

Appearance : white crystalline powder .

Molecular formula : Na2SO3
CAS NUMBER :7757-82-6
Packing : double-layer plastic woven bag.
Uses : used in medicine, papermaking, tannage, leather, printing, dyeing, bleaching
and food .

Index name
Premium grade
Super grade
First grade
Salable product
Industrial grade
Sodium sulphite ( Na2SO3 ) , % °›
97.0
96.0
93.0
90.0
Fe , °Ž °‹
0.003
0.005
0.01
/
Water insoluble matter , % °‹
0.02
0.03
0.05
/
Free alkali ( as Na2SO3 ) , % °‹
0.10
0.40
0.60
/
Na2SO4 , % °‹
2.50
/
/
/
NaCl , % °‹
0.10
/
/
/

 

Copyright © 2006-2010Changsha May Chemis Co.,Ltd.
Tel:86-731-84423162,84424162,84425162 Fax:86-731-84429162 E-mail£ļsales@maychemis.com Designer£ļmytome.cn