配方类型：	MISCELLANEOUS
配方说明：	Guar Gel Formation
配方组成：
配制方法：	The addition of samll amounts of borate ion to an alkaline guar sol causes a cohesive structual gel to form due to the crosslinking of the cis hydroxyl groups of guar with the pentavalent boron. This solution-gel transformation is reversible by adjusting the pH below 7. the new sol will have the same viscosity as the original sol.

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