11 Databases with NPS
05. September 2012
STN’s unique numeric property search feature (NPS) that allows for searching the numeric values of >30 physical and chemical properties is now available for 11 databases on STN, including Derwent WPI, and many patent full-text files.
Searchable properties and their respective base units comprise data like surface area (m²), molarity, molar concentration (mol/L), density, mass concentration (kg/m³), molar mass, molecular weight (g/mol), volume (m³) and many more. The system will recognize 55 base units with 1,800 spelling variants.
List of databases featuring NPS

