
UV/VIS spectrophotometers: CTech FlowVPX In-line Variable Pathlength Spectroscopy System
CTech FlowVPX System – Variable Pathlength Spectroscopy for In-line Concentration Monitoring
Rapid, Continuous Data Acquisition—12 QC-grade concentration measurements per minute
Broad Dynamic Range—concentration measurement from 0.1 mg/ml to 300 mg/ml without dilution
Increased accuracy—Multiple absorbance slope-based concentration measurements based on R2 ≥ 0.999










Real-time data for real-time decisions
Take control of your process with the CTech FlowVPX System. The in-line Slope Spectroscopy method enables users to monitor and optimize critical process parameters and make real-time decisions for enhanced product consistency and quality. Eliminate off-line measurements, out-of-spec results, and costly and time-consuming deviation reports. Slope-based measurements increase the efficiency of your process and avoid costly dilution and background correction steps.
Capable of making spectral and fixed-point measurements at wavelengths between 190 nm and 1100 nm with varying pathlengths, the System is adaptable to a wide range of sample types and the highest concentrations found in the biopharmaceutical industry. It can support lab-scale flow lines of 3 mm, pilot-scale flow lines of 10 mm, and production-scale flow lines of 22 mm. These processes include UF/DF, chromatography, mixing, and fill finish.

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CTech FlowVPX System – Variable Pathlength Spectroscopy for In-line Concentration Monitoring

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Only in-line uv-vis spectrophotometer using variable pathlength technology to continuously measure concentration

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The Fibrette is a stainless internal fiber optic that moves up and down during the process. Multiple Flow Cell sizes are available (3 mm, 1/2", 1")

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Variable Pathlength Technology makes the pathlength (l) the variable value, capturing multiple absorbance measurements in seconds.

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Variable Pathlength Technology makes the pathlength (l) the variable value, capturing multiple absorbance measurements in seconds.
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UV/VIS spectrophotometers: CTech FlowVPX In-line Variable Pathlength Spectroscopy System
CTech FlowVPX System – Variable Pathlength Spectroscopy for In-line Concentration Monitoring