Chemical Name :
Rochelle salt;seignette salt
| Structural
Formula : |
 |
Molecular formula : KNaC4H4O6 4H2O
Molecular weight : 282.23
 Character : Colorless translucent
or white crystalline powder with salt cool taste and
has light efforescence in warm air, specific gravity
1.79, melting point 70-80°C, losting 3 molecule water
at 100°C and becoming anhydrous salt at 215°C, soluble
in water, practically insoluble in ethanol and its
aqueous solution appears alkaliscence, PH value 6.8
to 8.
Uses : used as electronating agent
(educer) in plating of printing, mirror, and thermos
indstries; as complexing agent in electroplating industry;
in the making of crystal speekers and microphones
in telecom industry; asdesalting agent in chemical
fertilizer ustry; and also used in glass industry
and other industries.
Packing : 25kg complex bags lined
with double-layered kraft paper bags and film bag.
Specifications : Complies with US
FCC(III) & Enterprise Standard
US FCC(III)
|
Item |
Index |
| Content % ≥ |
99.0-102.0 |
| Alkalinity |
Qualified |
| Arsenic (As)% ≤ |
0.0003 |
| Heavy metals(Pb)% ≤ |
0.001 |
| Moisture % |
21-26 |
Enterprise Standard
|
Item |
Index |
| Content %
≥ |
98.0 |
| Chloride (Cl)%
≤ |
0.005 |
| Heavy metals
(Pb)% ≤ |
0.001 |
| Sulphates(SO4)%
≤ |
0.03 |
| Fe % ≤ |
0.002 |
| Arsenic(As)%
≤ |
0.0002 |
| Reaction of
water solution |
Passed |
| Insolude in
water % ≤ |
0.01 |
|
Potassium
Sodium Tartrate
