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Dynamic Vapor Sorption System (DVS)
PTL’s newest instrument, the Surface Measurement Systems DVS Intrinsic is a highly sensitive, accurate means for determining the moisture sorption properties of a material. This can provide critical information on the stability, processing, performance, and storage of materials. The analysis is applicable to
Zeta Potential and Colloid Chemistry
ABSTRACT The US Food and Drug Administration often requests the measurement of zeta potential; however, there is virtually no guidance offered in any of the regulatory pharmacopoeias. Guidelines are available in other standards, and there exists a wealth