Instrument optimized Differential Refractive Index detectors
13th November 2025
Based on decades of experience in the separation science field, TESTA Analytical is a leading supplier of Differential Refractive Index (DRI) detector kits optimized to fulfil the specific demands of different HPLC system manufacturers. Read More.
Accurate comparison and transferability of HPLC Methods and results
16th October 2025
TESTA Analytical reports how its FlowChrom real-time flow monitoring system enables direct comparison and transferability of HPLC Methods and results between instruments in different locations. Read More.
Flow measurement solutions that improve compliance and performance
9th September 2025
The BI-MwA Molecular Weight Analyzer from TESTA Analytical is a compact, pre-aligned static light scattering detector for labs looking to quickly determine the absolute average molecular weight of any macromolecule. Read More | 
Easy-to-use detector for molecular weight determination
14th August 2025
The BI-MwA Molecular Weight Analyzer from TESTA Analytical is a compact, pre-aligned static light scattering detector for labs looking to quickly determine the absolute average molecular weight of any macromolecule. Read More
OEM Viscometer for Gel Permeation Chromatography
7th July 2025
TESTA Analytical announces its high-performance viscometer is now available to chromatography manufacturers interested in expanding their GPC/SEC capabilities and serving the most demanding clients with the pinnacle of technology. Read More
Safeguarding HPLC System Operation
12th June 2025
The Solvent Line Monitor from TESTA Analytical is a valuable addition to any HPLC system designed to detect any problems caused by undissolved gas microbubbles and automatically close down the system. Read More
Precise molecular weight determination
29th May 2025
TESTA Analytical announce the LS Assistant - a new accessory for Multiangle Light Scattering (MALS) instruments that delivers accurate and reliable specific refractive index (dn/dc) values - a key parameter for precise molecular weight determination of macromolecules. Read More
Characterizing polymers with similar molecular weight but different properties
8th April 2025
TESTA Analytical reports a major polymer manufacturer is using their COMBO-ONE detector, as part of a GPC/SEC system, to characterize the structure of macromolecules that offer desirable performance properties. Read More
Audit ready tool for HPLC pump validation
12th March 2025
TESTA Analytical has released an updated version of its HPLC Pump Qualification Pack designed for regulated labs looking to qualify the operation and performance of their HPLC systems. Read More
Differential Refractometer improves light scattering molecular weight determination
10th February 2025
TESTA Analytical reports that its Differential Refractometer improves the precision of dn/dc determination using light scattering techniques. An accurate dn/dc value is essential in molecular weight determination of biopolymers and polymers by light scattering. Read More
Realtime monitoring of GPC/SEC flow rate
15th December 2024
A new technical study from TESTA Analytical demonstrates the importance of continuous monitoring of current flow rate in GPC/SEC experiments. Read More
HPLC Performance Tracker Module
5th December 2024
FlowChrom from TESTA Analytical is an automated non-invasive, real-time monitoring system providing a continuous digital record of your HPLC system performance. Read More
HPLC Pump Qualification Pack
13th November 2024
TESTA Analytical has launched the HPLC Pump Qualification Pack - an efficient, fast, and reliable tool for regulated laboratories looking to qualify the operation and performance of their HPLC systems. Read More
Improving fraction purity and yields from preparative liquid chromatography
9th October 2024
The Prep Flowmeter from TESTA Analytical is a new compact device for continuous monitoring of preparative HPLC purification and downstream processing systems. Read More
Qualifying the operation and performance of HPLC systems
10th September 2024
TESTA Analytical reports how its liquid chromatography flowmeter is helping a leading German analytical services company to regularly qualify the operation and performance of their HPLC systems. Read More
Intuitive software for multi-detector GPC/SEC
6th August 2024
ParSEC Advanced software from TESTA Analytical is designed to acquire and analyze data from GPC /SEC systems fitted with any combination of refractive index, light scattering, UV, and viscosity detectors. Read More
Strict Quality Control of Polymeric Raw Materials
15th July 2024
TESTA Analytical reports how a German customer is using its GPC/SEC system to monitor the specifications of incoming raw materials. Read More
Validating HPLC results obtained using any solvent
13th June 2024
TESTA Analytical has published a new technical study that demonstrates the utility of its non-invasive liquid flowmeter for validating the performance of HPLC systems across a wide range of different solvents. Read More
Chinese Metrology Institute approves TESTA HPLC flowmeter
16th May 2024
TESTA Analytical reports, after extensive testing, that its high-precision HPLC flowmeter has been approved by one of the most prestigious Metrology Institutes in Beijing, China.. Read More
Powerful triple detector for GPC/SEC
19th April 2024
TESTA Analytical announce Trinity – a powerful new triple detector for Gel Permeation Chromatography / Size Exclusion Chromatography (GPC/SEC). Read More
Combination detector reveals essential macromolecular properties
12th March 2024
TESTA Analytical report how its COMBO-TWO MALS/DRI combination detector for Gel Permeation Chromatography (GPC) is helping biopharmaceutical and advanced materials researchers unlock essential macromolecular physical properties including molecular weight, structure, and conformation. Read More
A Chromatography Innovator has left us
7th February 2024
Dr. Knauer was a true innovator, seeking improvement in any aspect of a chromatographic device or instrument he or his team conceived. He was always open to new ideas, ready to jump into new challenges. Read More
Universal Detector for Challenging Chromatography Applications
10th January 2024
TESTA Analytical offer a range of Differential Refractive Index (DRI) detectors designed and proven to enhance the performance of almost any GPC/SEC, HPLC or UHPLC system. Read More