Why is laboratory automation important for modern analytical labs?

Analytical laboratories are under more pressure than ever to deliver accurate results faster, at lower cost, and with fewer errors. Whether the focus is environmental contaminants, food safety, or emerging pollutants like PFAS, the demands placed on sample preparation workflows have grown significantly. Laboratory automation has become a central answer to these challenges, offering a path from slow, resource-intensive manual processes toward reproducible, high-throughput analysis that meets modern regulatory standards.

This shift is not simply about replacing human hands with machines. It reflects a deeper change in how laboratories think about quality, sustainability, and capacity. From PFAS SPE automation to fully integrated purification platforms for dioxins and PCBs, the tools available in 2026 allow labs to do more with less while maintaining the rigor that accreditation demands.

How manual sample preparation holds labs back

Manual sample preparation is one of the most significant sources of variability in analytical chemistry. When technicians perform extraction, cleanup, and concentration steps by hand, even small inconsistencies in technique, timing, or solvent volumes can introduce errors that propagate through to final results. In regulated industries like food safety or environmental monitoring, these inconsistencies carry real consequences.

Beyond reproducibility, manual workflows are inherently slow. A single analyst can only process a limited number of samples per shift, which creates bottlenecks when sample volumes increase. Overtime costs, analyst fatigue, and the risk of repetitive strain from handling solvents and equipment add further strain. Laboratories relying on manual methods often find themselves unable to scale without proportionally increasing headcount, which is rarely a sustainable option.

There is also the matter of analyst safety. Many classical extraction methods require significant volumes of organic solvents, including chlorinated compounds such as dichloromethane, which carry well-documented health and environmental risks. Manual handling of these substances increases exposure risk, demands rigorous personal protective equipment, and generates considerable hazardous waste. These factors collectively limit what a manually operated lab can realistically achieve.

Key efficiency gains from automated lab workflows

Switching to automated sample preparation delivers measurable gains across throughput, reproducibility, and resource use. Automation removes the operator as a variable in the process, meaning each sample is handled identically regardless of who is running the system or what time of day it is.

High-capacity systems illustrate the scale of what is now possible. The SPE2000, for example, can process up to 80 samples in a single run across 10 consecutive sequences of 8 samples simultaneously, handling sample volumes from 10 mL up to 1,000 mL. This kind of throughput would be impossible to replicate manually without a much larger team, and even then, consistency could not be guaranteed.

Automated concentration steps further accelerate the workflow. Systems like the CentriVap benchtop concentrator can handle over 60 samples simultaneously, combining controlled heat and vacuum for fast, reliable evaporation. The MultiVap 12 delivers 20% higher throughput than its predecessor while supporting both complete dryness evaporation and concentration to a precise, user-defined end volume. These gains compound across the full sample preparation chain, dramatically reducing turnaround times from sample receipt to a reportable result.

Beyond speed, automation also reduces the cost per sample over time. Fewer analyst hours per run, lower solvent consumption, and reduced rework from inconsistent results all contribute to a more cost-effective operation. For laboratories competing on price or managing tight operational budgets, this efficiency advantage is a genuine differentiator.

Automation across dioxins, PCBs, PFAS, and pesticides

Laboratory automation is not a one-size-fits-all proposition. Different contaminant classes have distinct chemical properties, regulatory frameworks, and matrix challenges that shape the automation approach required. Understanding how automation applies across these analyte groups helps laboratories make informed decisions about their equipment choices.

Dioxins, PCBs, PBDEs, and PCNs

Persistent organic pollutants such as dioxins, PCBs, PBDEs, and PCNs require thorough lipid removal and multi-layer cleanup before mass spectrometry measurement. The GO-EHT automated purification platform, developed by Miura Institute of Environmental Science, was specifically designed for this application. It handles a wide range of matrices including food, feed, soil, sewage, sludge, water, and air, performing cleanup to the standards required by EPA 1613B and EPA 1668A methods.

For solid and semi-solid sample extraction ahead of cleanup, the SER-158 extractor applies the Randall principle, performing extraction directly in boiling solvent followed by a hot Soxhlet or Twisselmann step. Up to six samples can be extracted in 23 hours using less than 100 mL of solvent per sample, with simultaneous concentration during extraction. This integration between extraction and cleanup systems creates a seamless, end-to-end automated workflow for PBDE analysis automation and related POPs.

PFAS and emerging contaminants

PFAS analysis presents its own set of challenges, particularly around contamination control and the need for inert flow paths that do not interact with perfluorinated compounds. Automated solid phase extraction systems designed specifically for PFAS applications must be free of Teflon and constructed from materials fully resistant to organic solvents. The SPE2000 and AutoEmpore platforms address these requirements directly, supporting PFAS alongside pesticides, hormones, SVOCs, and PAHs across a range of cartridge and disk formats.

The AutoEmpore is particularly well-suited for large-volume water sample extraction, available in 3, 6, 9, or 12-channel configurations operating in parallel or series mode. Its automatic online filtration and water removal capabilities make it an efficient choice for environmental water monitoring programs where sample volumes are large and throughput demands are high.

Sustainability and green chemistry in lab automation

Environmental responsibility has moved from a peripheral concern to a core consideration in laboratory design. Regulatory pressure, institutional sustainability commitments, and the practical costs of hazardous waste disposal are all pushing laboratories to reduce their chemical footprint. Automated systems play a central role in making this transition practical rather than aspirational.

The most significant contribution automation makes to green chemistry is solvent reduction. Where manual Soxhlet extraction or liquid-liquid partitioning methods might require several hundred milliliters of organic solvent per sample, modern automated systems can achieve equivalent or superior recovery using less than 100 mL per sample, without the use of dichloromethane. This reduction cuts waste generation, lowers procurement costs, and reduces analyst exposure to hazardous chemicals.

Cross-contamination prevention is another sustainability-adjacent benefit. In systems where samples do not come into direct contact with internal components, carryover between samples is eliminated. This means fewer repeat analyses, less wasted reagent, and greater confidence in results. Solvent recovery systems built into platforms like the SER-158 further reduce net consumption by recapturing and reusing solvents during the concentration phase.

For laboratories seeking ISO 17025 accreditation or operating under environmental management standards, the documentation of reduced solvent use and contamination control measures also supports compliance reporting. Green laboratory practices are increasingly reflected in tender requirements and client expectations, making sustainability a competitive as well as ethical priority.

What to consider when choosing an automation system

Selecting the right laboratory automation platform requires a clear-eyed assessment of current workflow bottlenecks, future throughput targets, and the specific analytical methods the laboratory runs. A system that excels for PFAS water analysis may not be the optimal choice for a laboratory focused on dioxin monitoring in food matrices.

Start with the analyte scope and matrix range. Some platforms are designed for broad applicability across multiple contaminant classes, while others are optimized for specific applications. Compatibility with existing extraction and detection equipment is also important, particularly if the goal is to automate one step of a multi-step workflow rather than replace the entire process at once.

Throughput requirements deserve careful consideration. A laboratory processing 20 samples per week has very different needs from one handling 200. Choosing a system with insufficient capacity creates a new bottleneck, while over-specifying wastes capital. Look for platforms that offer modular or scalable configurations, such as multi-channel SPE systems that can be expanded as demand grows.

Solvent compatibility and inertness matter especially for PFAS applications, where Teflon-containing components can introduce background contamination that compromises results at trace levels. Method validation support and pre-installation programming services can significantly shorten the time from delivery to productive operation, which is a practical factor that is easy to underestimate when comparing systems on specification alone.

How DSP-Systems helps with laboratory automation

DSP-Systems specializes in supplying and distributing automated sample preparation and cleanup systems for laboratories analyzing environmental contaminants across Europe and North America. As an official distributor for Miura Institute of Environmental Science and LabTech, the company offers a curated portfolio of proven platforms suited to a wide range of analytical challenges:

GO-EHT purification systems for dioxins, PCBs, PBDEs, and PCNs across food, feed, soil, water, and air matrices
SPE2000 and AutoEmpore for PFAS SPE automation and high-throughput extraction of pesticides, hormones, and SVOCs
SER-158 solvent extractor for efficient, low-solvent extraction of solid and semi-solid samples
MultiVap and CentriVap concentration systems for fast, reproducible sample concentration ahead of GC or LC injection
Pre-installation programming, SPE application testing, and configuration to EPA and CEN method standards

Whether a laboratory is looking to automate a single bottleneck or build a fully integrated sample preparation line, DSP-Systems provides both the equipment and the technical expertise to make it work. Contact DSP-Systems to discuss the right automation solution for your laboratory’s specific needs.