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Beverage | Fast and Accurate Density-Based Determination of Total Dissolved Solids in Coffee

Total Dissolved Solids (TDS) is a key parameter for coffee strength, extraction, and sensory quality. Anton Paar DMA density meters determine % TDS under controlled temperature conditions with high precision and optional automation, enabling efficient quality control and providing a reliable alternative to refractive index measurements.

Coffee quality and sensory perception are strongly influenced by the concentration of soluble compounds extracted from roasted coffee during brewing. A key analytical parameter used to characterize brewed coffee is Total Dissolved Solids (TDS). In coffee brewing science, TDS refers to the mass fraction of soluble coffee solids present in the beverage, typically reported as % TDS, corresponding to grams of dissolved solids per 100 g of beverage. TDS, therefore, represents the strength of the coffee beverage, while the related parameter extraction yield (EY) describes the fraction of soluble material removed from the coffee grounds during brewing.

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