Industrial anhydrous sodium sulfite
Molecular formula: Na2SO32
Executive standard: HG/T2967-2010、Q/CAKZ004-2010HG/T2967-2010
Appearance: white or light yellow crystal powder
Packing: compound plastic woven bag with inner plastic film; net weightis 25kg or 50kg
Notes: the product should be stored in ventilated and dry warehouse
Product technical index:
|
Item |
index |
||
|
|
superior grade |
top grade |
qualified |
|
sodium sulfite(Na2SO3),％ ≥ |
97.0 |
96.0 |
93.0 |
|
free alkali, %, ≤ |
0.10 |
0.40 |
0.40 |
|
iron, %, ≤ |
0.003 |
0.005 |
0.02 |
|
water insoluble %, ≤ |
0.002 |
0.03 |
0.05 |
Q/CAKZ004-2010 product technical index:
|
Item |
index |
|||
|
|
top grade |
second grade |
third grade |
qualified |
|
sodium sulfite(Na2SO3),％ ≥ |
96.0 |
93.0 |
90.0 |
85.0 |