The ELGA PURELAB Range

Importance of the Topic

High-purity water underpins accuracy and reproducibility in modern laboratories across analytical chemistry, molecular biology and quality control.
Impurities at trace levels—organic, inorganic, microbial or particulate—can skew results in HPLC, GC-MS, ICP-MS, spectroscopy or cell culture.
Reliable water purification systems protect instruments, reduce downtime and support compliance with regulatory standards.

Objectives and Study Overview

This brochure presents ELGA’s PURELAB® range of laboratory water purification solutions, designed to deliver Type I, II and III water grades for diverse research applications.
It aims to guide users in selecting systems that meet throughput, space, sustainability and compliance requirements.
Key product families (Quest, Flex, Chorus and Pharma Compliance) are compared for performance, footprint and features.

Methodology and Used Instrumentation

ELGA integrates multiple purification technologies in modular sequences to achieve targeted water quality:

• Reverse Osmosis (RO) modules for >95% rejection of ionic and organic impurities, particulates and microbes.
• Ion-exchange resins (single-use purification packs) to achieve resistivity up to 18.2 MΩ·cm.
• Electrodeionization (EDI) for continuous regeneration and stable resistivity >10 MΩ·cm.
• Activated carbon for adsorption and catalytic removal of free chlorine and organic contaminants.
• Microporous depth filters (5–10 μm) for prefiltration of suspended solids.
• Ultraviolet (UV) lamps at 185 nm for TOC photo-oxidation and 254 nm for microbial inactivation.
• Sub-micron (30–3000 nm) ultrafiltration/microfiltration to remove bacteria, endotoxins and colloids.
• Storage reservoirs and dispensers with real-time purity monitoring and optional Biofilters.

Main Results and Discussion

The PURELAB range delivers three standard water grades:

• Type I (ultrapure, 18.2 MΩ·cm, TOC <5 ppb) for HPLC, GC-MS, ICP-MS and cell culture.
• Type II (>1 MΩ·cm) for buffer/media prep and feed to Type I systems.
• Type III (20 µS·cm) for glassware rinsing and autoclave feed.

Product families:

• Quest: Compact wall-mount, delivers all three grades from tap water, up to 30 L/day of Type III and 10 L/day of Type I/II.
• Flex: Bench or wall unit in four configurations; flex 1–3+ feature recirculation, real-time TOC, UV polishing and output up to 10 L/day of ultrapure water.
• Chorus: Modular systems Chorus 1–3 support continuous recirculating loops, high throughput (up to 480 L/day) and advanced PureSure® twin-bed deionization.
• Pharma Compliance: Meets USP 643/645, FDA 21 CFR 11 and EU GMP for QC labs, with secure software, audit trails and digital record-keeping.

Benefits and Practical Applications

Key advantages include:

• Customer-focused designs that minimize lab footprint and streamline installation.
• Innovative sustainability: up to 85% reclaimed materials, carbon footprint calculation, ECO mode energy savings.
• Modular expandability and duplex options for high availability.
• Remote dispensers (Halo series) with in-built purity sensors and flexible dosing modes.
• Automated sanitization, quick-change consumables and USB data capture for validation.

Applications span analytical chemistry (HPLC, GC, MS), molecular biology (PCR, sequencing, cell culture) and general laboratory tasks (glassware, autoclaves, baths).

Future Trends and Opportunities

Emerging developments will focus on cloud-based monitoring, predictive maintenance via digital twins and further integration with analytical instruments.
Next-generation membranes and resin materials may boost throughput while reducing water waste.
On-demand point-of-use purification and inline sensors for real-time contaminant tracking will enhance lab agility and data integrity.

Conclusion

ELGA’s PURELAB® range delivers tailored water quality solutions for every laboratory need, balancing performance, sustainability and regulatory compliance.
The modular architecture and advanced purification technologies ensure consistent purity, operational efficiency and future-proof scalability.