Carragenano, kappa, 500 g
REF 3059.3
€ 247,33
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Carragenano, kappa, 500 g
Información del producto
Número CAS: 7647-14-5
fórmulas químicas: NaCl
Código hs: 13023100
Marca: Carl Roth
Carrageenan, kappa, highly pure, CAS No. [11114-20-8], EG-Nr. 234-350-2
Carrageenan, kappa highly pure
Carrageenans are agar-related hydrocolloids consisting of esters of galactose and anhydrogalactose polysaccarides.
Kappa Carrageenan is obtained by alkaline extraction from red algae (Rhodophyceae) of the order Gigartinales, purified by filtration and recovered by KCl precipitation. In ionic solutions, heat-solubilized kappa Carrageenan self-assembles into helical structures and gels during cooling, the gel parameters depending on the ions present: Potassium ions form rigid gels, calcium gels are strong but more flexibel.
| Appearance | white-pale tan |
| Gel strength (1,5 %, aqueous) | 1200-1800 g/cm2 |
| Particle size (95 %) | ≤0,25 mm |
| Loss on drying | ≤12 % |
| Arsenic (As) | ≤3 ppm |
| Lead (Pb) | ≤5 ppm |
| Cadmium (Cd) | ≤2 ppm |
| Mercury (Hg) | ≤1 ppm |
| pH value | 7,0-11,0 |
| Microbiological Analysis | complies |
| Contains KCl., Being extracts from natural products, the properties (e.g. gelling behaviour, salt content) may vary from lot to lot. | |
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