| Model: | cas no：10117-38 |
|---|---|
| Brand: | zibo great wall |
| Origin: | Made In China |
| Category: | Chemicals / Inorganic Chemical Materials / Alkali |
| Label: | potassium sulfite |
| Price: |
-
|
| Min. Order: | - |
| Live Chat: | Last Online:27 Jun, 2013 |
|
Test item |
Unit |
Specification |
Test method |
|
K2SO3 |
g/100g |
44.5-45.5 |
ISO 5990-1996（E） |
|
density（20℃） |
kg/l |
1.445-1.460 |
ISO 5990-1996（E） |
|
appearance |
colourless or light yellow transparent liquid |
ISO 5990-1996（E） |
|
|
K2S2O3 |
g/100g |
≦0.01 |
spectrophotometry |
|
pH value(10%solution) |
9.0-10.0 |
ISO 5990-1996（E） |
|
|
heavy metal（measured by Pb） |
mg/kg |
≦ 10 |
AES |
|
Fe |
mg/kg |
≦5 |
AAS |
|
reaction with NH3-AgNO3 |
qualified |
ISO 5990-1996（E） |
|
|
KCl |
g/100g |
≦ 0.3 |
IC |
|
sulphate（measured by K2SO4） |
g/100g |
≦ 0.5 |
IC |
