|
PRODUCT |
L(+) POTASSIUM SODIUM TARTRATE NATURAL
ROCHELLE SALT NATURAL
SEIGNETTE SALT NATURAL
CAS 304-59-6 / 6381-59-5 . EINECS 206-156-8
E 337 |
|
ORIGIN |
THIS PRODUCT IS MADE
WITH ONLY NATURAL WINE ORIGIN RAW MATERIALS |
|
DESCRIPTION |
White crystalline powder , odourless , taste
saline and cooling , slightly efflorescent in warm air . |
|
FORMULA |
COONa-CHOH-CHOH-COOK * 4 H2O |
|
MOLECULAR WEIGHT |
282.2
|
|
COMPOSITION |
Anhydrous salt 74.47% ; Water 24.53% ;
Potassium 13.85%; Sodium 8.15% ; Tartaric acid 53.17%. |
|
DENSITY |
1,78 |
|
APPARENT DENSITY |
0,9 |
|
MELTING POINT |
70 - 80 ºC |
|
SOLUBILITY |
Soluble in 1.5 part water ; almost insolublre
in alcohol. The aqueous solution is slightly alkaline to litmus , pH
7 -8 . |
|
SPECIFIC ROTATION |
[a]²°D + 27° + 30° |
|
USE |
As additive in food industry: E337 ; for
preparation in sigarette paper ; in manifacture of mirrors ; in
plating industry ; for delaying the quick setting of gypsum . |
|
PACKING |
25 Kilos paper bags with polyethylene inner bag
or 50 Kg fiber drums with polyethylene inner bag. |
|
TRANSPORT
|
No restriction |
|
STORAGE
|
Preserve in tight containers in dry , cool
place . |
|
ANALYSIS DATA
|
ASSAY 99 - 102%
LOSS ON DRYING 21 - 26 % at 150 °C
ACIDITY / ALCALINITY pH of 5% acqueous solution 6.0 - 8.5
ARSENIC < 1 ppm
IRON < 10 ppm
SULPHATES < 50 ppm
CHLORIDES < 10 ppm
PHOSPHATE < 20 PPM
AMMONIUM < 20 ppm
CALCIUM < 50 ppm
HEAVY METALS < 5 ppm
SIEVE ANALYSIS min 80% passing 80 mesh Sieve
(0.2 mm).
|
