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Carrageenan, kappa, 25 g

highly pure
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CAS No. [11114-20-8]
EG-Nr. 234-350-2

Strongly gelling Carrageenan of kappa type. Forms gels of high gel strength. For gelling of watery liquids like e.g. culture media for plants or animals. Manufactured from cultured and controlled sea weeds.

Carrageenans are agar-related hydrocolloids consisting of esters of galactose and anhydrogalactose p ...
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€24.20/Pack Qty. 

excl. VAT. | 25 g per Pack Qty.

Art. No. 3059.1

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Product details



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.



Carrageenan, kappa
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3059.2 100 g plastic €61.20
3059.3 500 g plastic €209.65
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Guarantee analysis

Appearancewhite-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 value7,0-11,0  
Microbiological Analysiscomplies  
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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