Separations Products & Reviews

Most chromatographers have experienced problems retaining and separating polar compounds using conventional reversed-phase chromatography.  These difficult-to-analyze compounds either pass through the column unretained or, if retained at all, co-elute at the beginning of the chromatogram.  Waters AtlantisTM columns are designed for these types of challenging separations and are available in two chemistries: dC18 and HILIC sili…

The Waters Regulated Bioanalysis Platform Solution with UNIFI®is a single-vendor solution for bioanalytical laboratories to generate quantitative results while maintaining optimal productivity, quality and consistency to maximize up-time and cost per sample.The UNIFI Scientific Information System is designed to accelerate your capabilities and anticipate your imperatives. The platform enhances your ability to develop robust m…

Whether you are performing high throughput compound confirmation, identifying natural products or metabolites, or analyzing peptides and proteins, Waters® Exact Mass LC/MS Systems that incorporate the LCT PremierÔ Mass Spectrometer provide a total solution that maximizes performance for your application. The fully integrated systems are controlled from a single data system, maximizing the efficiency of your analysis while enab…

The most powerful solution to the most critical need in separation science today.

The Waters Alliance 2695 Separations Module is a high performance liquid chromatographic system with a quaternary, low-pressure mixing pump and inline vacuum degassing. Flow rates from 50 uL/min to 5 mL/min can be generated for use with 2.1 mm ID columns and larger. The autosampler has a maximum capacity of 120 vials (12x32, 2-mL) with programmable temperature control from 4 to 40°C. A heated column compartment provides temper…

Making more informed decisions in less time is a universal asset in today's laboratory. Ultra Performance LC™ (UPLC™ ), a new category of separation science pioneered by Waters, will eliminate significant time and cost per sample from your analytical process—while improving the quality of your results. With UPLC technology you benefit from: more data, faster unparalleled sensitivity greater efficiency and confidence in…

The Waters® MV-10 ASFE™ System is the first supercritical fluid extraction (SFE) system offering accelerated, multi-vessel sample extraction, resulting in a faster, greener, more selective alternative for analyte extractions from a wide variety of sample matrices. Whether your workflow requires enriching target analytes for analytical purposes, stripping unwanted material from a product, or collecting valuable essential oils f…

Unleash the power of your laboratory's instrumentation. CORTECS® 1.6 µm and 2.7 µm solid-core columns deliver new levels of performance. CORTECS Columns are available in both reversed-phase and HILIC options, giving you the flexibility and power to develop methods for challenging separations even faster. With different particle characteristics and innovative charged surface modifications, CORTECS Columns are suitable for use…

The analysis you’ve always desired for nano- to microscale separations The ACQUITY UPLC M-Class System delivers the most robust, reliable, and highest quality nano- to microscale UPLC separations to every laboratory performing LC/MS analyses. With unprecedented usability, the ACQUITY UPLC M-Class System enables laboratories to succeed in analyzing compounds that are severely limited in amount or availability, even amid a comp…

The Waters Natural Products Application Solution with UNIFI provides a bottleneck breakthrough solution for analyzing natural products. Built around the UNIFI Scientific Information System, it converts traditionally labor intensive and cumbersome multistep sample profiling procedures into a workflow-driven and significantly streamlined process. It incorporates a unique Traditional Medicine Library into the workflow, along wit…

ACQUITY UPC2 Column Technology for Chiral and Achiral Separations. ACQUITY UPC2 Trefoil™ 2.5 µm Columns are uniquely designed for the ACQUITY UPC2 System. Selectivity and speed for chiral separations Reduce method development time Based on modified polysaccharide-based stationary phases for broad-spectrum chiral selectivity. ACQUITY UPC2 Torus™ Columns simplify the method development process with four completely new…

Empower™ 3 Method Validation Manager (MVM), an option for Empower 3 Chromatography Software, allows you to perform chromatographic method validation, from protocol planning through final reporting, in one application.With Empower 3 MVM you can automatically: Manage method validation workflow in one comprehensive, automated application Clearly display the status of ongoing validation studies – enabling you to see at what…

Take control of your bottom line – get a better understanding of your process and your product. For the first time, bring automation and UPLC together for direct online connection to your process with Real-TIME LC. The PATROL UPLC Process Analysis System is specifically designed for in-process analysis, delivering simultaneous qualitative and quantitative information and allowing you to dynamically adjust and control your pro…

Rtx®-1 columns exhibit long lifetime and very low bleed at high operating temperatures. A proprietary synthesis process eliminates residual catalysts that could cause degradation and increase bleed. • General purpose columns for solvent impurities, PCB congeners (e.g. Aroclor mixes), simulated distillation, drugs of abuse, gases, natural gas odorants, sulfur compounds, essential oils, hydrocarbons, semivolatiles, pesticides,…

The Ultra line represents Restek’s broadest selection of stationary phases on a single silica support. Made of high-purity, type-B silica that minimizes activity and creates high-density bonding, these columns are designed for selective and reliable HPLC applications.The Ultra Aqueous C18 HPLC column provides reproducible retention times and can be used with highly aqueous mobile phases, which may eliminate the need for sample…

• Wide range of stationary phases offers orthogonal separations. • High thermal stability maximizes system ruggedness and sensitivity. • Unrivaled column inertness for accurate analysis of active compounds. • 0.15, 0.18, and 0.25 mm ID formats accommodate varying sample capacities, speeds, and detectors. • Secondary columns come in convenient 2 m lengths for economical method development. GCxGC is a powerful multidimensional G…

- Optimized column selectivities guarantee resolution of ethanol, internal standards, and frequently encountered interferences. - Robust and reproducible column chemistry ensures longer column lifetime and consistent results. - 2 minute analysis time increases lab productivity. - Stable to 260 °C Don’t forget: Blood alcohol analysis requires dual column confirmation when using GC/FID.

Properties: • Increased retention for dipolar, unsaturated, or conjugated solutes • Enhanced selectivity when used with methanolic mobile phase • Ideal for increasing sensitivity and selectivity in LC-MS analyses particle size: 3 μm or 5 μm, spherical pore size: 100 Å carbon load: 15% endcap: fully endcapped pH range: 2.5 to 8 temperature limit: 80 °C USP phase: L11 phase category: phenyl ligand type: unique Biphenyl

Rtx®-VMS Columns (fused silica) (proprietary Crossbond® phase) • Application-specific columns for volatile organic pollutants by GC-MS • Complete separation of U.S. EPA Method 8260B compounds in less than 10 minutes • Stable to 260 °C • No known equivalent phases

Developed specifically for using LC coupled with GC-FID to accurately determine hydrocarbons found in mineral oils, which can migrate from packaging into food. • 9-component mix contains non-interfering internal standards as well as both mineral oil saturated hydrocarbon (MOSH) and mineral oil aromatic hydrocarbon (MOAH) markers to correctly cut fractions. • Certified reference material (CRM) manufactured and QC-tested in Re…

Stop spending your time and money developing LC-MS/MS multi-residue pesticide methods and mixing reference standards when you could be running samples. Restek’s trusted food safety experts have already done the work for you—with guaranteed accuracy and at a lower cost. Restek’s new certified reference materials (CRMs) for LC-MS/MS multi-residue pesticide analysis eliminate the need to source, purchase, and store individual ma…

The Rtx®-Volatile Amine column was designed specifically for analyzing volatile amines in difficult matrices, such as water. The unique base deactivation creates an exceptionally inert surface for these sensitive compounds, resulting in highly symmetrical peaks which allow low detection limits. The stable bonded phase yields a column that is not only retentive and highly selective for these compounds, but is also very robust…

A Restek® LC guard cartridge in an EXP® direct connect holder is the ultimate in column protection. To help protect your investment and further extend the life of our already-rugged LC columns, Restek offers the patent-pending guard column hardware developed by Optimize Technologies.Raptor™ EXP® Guard Column Cartridges Features: Free-Turn® architecture lets you change cartridges by hand without breaking inlet/outlet fluid…

Restek has raised the bar with a new high-temperature MXT®-Biodiesel TG column line to complement their fused silica column line for biodiesel analysis. These new MXT® -Biodiesel TG columns are stable to 430°C and offer unique retention gap options that minimize dead volume and leaks. Choose either a 0.32mm column factory-coupled to a 0.53mm retention gap, or select a single unit 0.53mm column featuring Integra-Gap™, a built-…

The Raptor™ ARC-18 column is made specifically for high-throughput, low–sample prep LC-MS/MS applications. A well-balanced retention profile offers better detection and integration of large, multiclass analyte lists, and steric protection helps this SPP column endure the harsh, low-pH mobile phases needed for mass spec without sacrificing retention or peak quality. Restek chemists became the first to combine the speed of supe…