High Performance UHPLC System Liquid Chromatography System For Pharmaceutical

This integrated ultra-high performance liquid chromatography (UHPLC) system delivers unmatched resolution, speed, and reproducibility for pharmaceutical quality control, impurity profiling, and method development. Engineered to operate reliably at pressures up to 1300 bar (18,800 psi), the system combines a high-precision quaternary pump, a flow-through autosampler with near-zero carryover, a thermostatted column compartment, and a high-sensitivity diode array detector (DAD). Designed for seamless compliance with 21 CFR Part 11 and global pharmacopoeias (USP, EP, ChP), the system provides walk-up productivity, full audit trails, and straightforward LC-MS upgradability.

Conventional HPLC methods often fail to resolve structurally similar impurities, co-eluting analytes, or degradation products within acceptable run times. Pharmaceutical laboratories face increasing regulatory pressure to detect and quantify genotoxic impurities at ppm levels while meeting ever-tighter turnaround times. Older HPLC pumps pulse at low flow rates causing retention time drift; autosamplers leave residues that contaminate the next injection; analog detectors miss trace peaks. When a stability study batch fails because of unresolved impurity peaks, the cost in investigation hours and delayed submissions can be enormous – easily reaching six figures.

Our UHPLC platform uses 1.7 µm and 2.5 µm column chemistries, matched with a low-dispersion flow path (<10 µL system volume) to generate peak widths of 1–2 seconds. A 250 Hz DAD with a 512-element photodiode array captures full 190–800 nm spectra on the fly, enabling automated peak purity calculations and library searching. The quaternary pump delivers smooth gradient profiles with a dwell volume of just 110 µL; the autosampler thermostat protects heat-labile samples. Built-in System Wellness tests automatically check leak rates, retention time stability, and lamp energy, recording all parameters in a non-editable audit log.

• substance and product impurity/degradation profiling
• Dissolution testing with rapid throughput
• Forced degradation (stress testing) studies
• Content uniformity and assay by UHPLC
• Cleaning validation with low-level detection
• Extractables & leachables screening (E&L)

The solvent manager draws from four channels, proportioning gradients via high-speed solenoid valves before a serial dual-piston pump pushes the mobile phase into the autosampler. The sample is injected into a low-dispersion needle seat; the column compartment temperature is controlled to ±0.1°C. As components elute, the DAD continuously captures full spectra. Peaks are identified by retention time and spectral match; impurity levels are calculated against reference standards using the CDS, which enforces user permissions and complete audit trails.

First, determine your required pressure bounds—are your methods already using sub-2 µm columns? If so, a UHPLC system is mandatory. Next, evaluate throughput: a 120-slot autosampler may be adequate for a QC lab running ~100 samples/day; with a plate handler option you can achieve unattended operation overnight. Check solvent compatibility—if you use high-salt buffers or corrosive mobile phases, select the bio-inert version. Finally, decide on detection: a DAD covers routine analysis, but if you need ppb-level sensitivity, plan for a fluorescence detector addition. Request a demonstration with your most challenging separation.

A: Yes, with a column switching valve and a method transfer toolkit, you can scale gradient times and flow rates geometrically to match, maintaining resolution while reducing run time. We provide a free method transfer calculator.

A: Typically 5 business days for IQ/OQ execution by our certified engineers. A full DQ/IQ/OQ/PQ protocol set is included.

A: The pump’s pressure and flow sensors detect the disturbance and trigger a soft stop, protecting the column from damage. An alarm is logged immediately.

A: Yes, the same system can be hyphenated with single quadrupole or triple quadrupole MS via our pre-configured connection kit. You can start with DAD and add MS later.