WebLiquidborne Particle Counting using Light Obscuration and Light Scattering Methods. Description: Liquidborne Particle Counting using Light Obscuration and Light Scattering … WebDelamination incidence was determined by visual examination, light obscuration (HIAC), and microscopical methods. The inner surface of vials from each supplier and lot were also examined by scanning electron microscopy. Results: These imperfections were localized to the vial wall, adjacent to the vial bottom, and increased with sulfate treatment.

Monitoring of Subvisible Particles in Therapeutic Proteins

WebFor the determination of particulate matter, two procedures, Method 1 (Light Obscuration Particle Count Test) and Method 2 (Microscopic Particle Count Test), are specified … WebNov 10, 2015 · An additional light obscuration system (Hach Co., Loveland, CO: HIAC ABS2 autosampler with a 9064 counter and a HRLD 150 sensor head, operating at a wavelength of 0.83 μm) was used for measurements to characterize the differences between the PAMAS and HIAC properties. peace of her

Subvisible Particle Characterization: Why Simply Counting …

WebLight obscuration or the reduction of light intensity is measured by the detector. The detector will then process the measured signal and use it to display a comprehensive … WebMicroscopic and light obscuration procedures for the determination of particulate matter are given herein. This chapter provides a test approach in two stages. The injection is first … WebStill using the now internationally accepted light extinction technology, the HIAC PT 4000 brings affordable particle counting technology directly to the machine, removing the last major source of error in particle counting - sampling errors. The HIAC PT 4000 can be thought of as a Particle Transducer, and hence the PT model number designation. sdpd phone numbers