Using Gas Pycnometry to Determine Semisolid Density

Knowing the density of a material enables effortless conversion of mass to volume and vice versa. To illustrate the use of the Ultrapyc 5000 for these types of materials, measurements on a variety of food, personal care, and cleaning items are reported.

An entire class of materials —semisolids — may have a high viscosity or some solid content that does not allow for their easy measurement via liquid density measurement devices. Semisolids are found in industries ranging from personal care to food and beverage to cleaning products. Semisolid density is important for quality control, material purity, and the packaging process, among other things. Here, we show that the Ultrapyc 5000 can quickly, simply, and repeatably assess the density of semisolid materials.

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