What if sodium tripolyphosphate/STPP is insoluble in water?

 Sodium tripolyphosphate/STPP is white powder, easily soluble in water, in the form of white granules or powder.


Industrial grade sodium tripolyphosphate/STPP has a wide range of uses and relatively high value. It is easy for some illegal vendors to add low-value products such as Yuanming powder, soda ash, or directly add other impurities to pass through, so that it cannot be dissolved normally. Some manufacturers refer to the guarantee of the main content in the production process, regardless of other indicators, it is also easy to cause a lot of problems in washing plants, ceramic factories, printing and dyeing A series of problems such as turbidity after dissolving in water. "


What if the sodium tripolyphosphate being used is not so easily soluble in water and the aqueous solution is cloudy? Solved in three steps.


1. When sodium tripolyphosphate has a gradual heating up attempt. Sodium tripolyphosphate has a stronger dissolving ability with increasing temperature. Generally, sodium tripolyphosphate that is insoluble in water will gradually dissolve in water as the temperature of the dissolving environment increases and become clear.


2. Add the stirring step. Industrial grade sodium tripolyphosphate is generally a mixture of its typeⅠand type Ⅱ. In the process of dissolvingⅠin water, it will quickly release heat to produce small pieces. At this time, stirring will be more conducive to its dissolution, and it can also solve the problem of solution turbidity.


3. If the heating and stirring still can not meet the requirements. It is necessary to consider the purity and quality of its raw materials.


Sodium tripolyphosphate/STPP produced by Chongqing Chuandong Chemical Group is easily soluble in water, and its aqueous solution is clear. Moreover, we independently developed ceramic grade sodium tripolyphosphate/STPP, and formulated the world's only more than 20 ceramic internal control indicators.

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