Solubility of HPMC in Organic Solvents
October 29th 2024
Three ways to distinguish the quality of hydroxypropyl methyl cellulose? In our lives, hydroxypropyl methyl cellulose is used in many fields. Therefore, some unscrupulous manufacturers will adulterate for profit. Let the editor today Tell everyone how to distinguish quality.
Generally real products, the appearance shows a fluffy state, while the adulterated feel is heavy and has poor gloss. Customers who buy frequently can usually distinguish with the naked eye;
Secondly, when using for proportioning, the pure one is more clear after being dissolved in water, while the adulterated one is obviously more turbid. This method can only be distinguished when it is used;
The last method is to smell it. If you smell various choking smells, it means that the product is adulterated. Generally, it is pure that you can’t smell the smell of ammonia, starch and alcohol.
The above three methods can be adopted when we are making quality judgments. I hope everyone can understand these knowledge.
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