化學(xué)配方數(shù)據(jù)庫(kù)
| 配方類型： |
MISCELLANEOUS |
| 配方說(shuō)明： |
Preparing Water Soluble Gum Solutions |
| 配方組成： |
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| 配制方法： |
Problems have often arisen in preparing solutions of water soluble gums or plant hydrocolloids. The first problem is preparing a lump-free, uniform solution. the first problem is preparing a lump-free, uniform solution. The second is maintaining a uniform solution from separating or settling. The final problem is avoiding contamination.
Unless special precautions are taken, water soluble gums will tend to form clumps when added to water. The gums have a strong tendency to wet and to swell too rapidly forming wet clumps of gum which enclose or encase dry gum on the inside. Guar gum clumps, once they have formed, are almost impossible to break apart and to solubilize. However, clumps of gum arabic will dissolve upon continued stirring. The remainder of the gums fall between guar and arabic in the ease of dissolving their clumps of wet gum. There are several methods to avoid these clumps and to prepare a lump-free, uniform solution.
First, the gum should be dry mixed with any inert or non cold water sw |
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