Powering Scientific Discovery with Innovative
Milli-Q® Lab Water Purification Systems
From feed water to ultrapure performance –
Merck’s complete water purification systems support every lab need.
Whether for high-throughput RO water, reliable DI/EDI Type II pure water, or Milli-Q Type I ultrapure water, our solutions ensure consistent quality and full compliance.
Powered by Elix® EDI technology and optimized purification flow, you can count on reproducibility, intuitive control, and performance you can trust.
Experience total reliability for every application with Merck’s integrated systems—from Type 3 ultimate ultrapure water and consistent Type 2 pure water featuring maintenance-free Elix® technology , to on-demand Type 1 ultrapure water with ergonomic dispensing —all designed to guarantee reproducible results and full compliance for your lab.
ENGINEERED FOR PURITY, CONFIDENCE AND SUSTAINABILITY
Innovative Purification & Efficiency
Milli-Q® systems use innovative technologies, like Elix® EDI Technology, that ensure consistent, high-quality water for reproducible results. This advanced design also significantly reduces water waste, with features like an RO recovery loop that can save up to 60% of tap water.
Simplified Compliance & Data Management
Integrated quality monitoring technologies simplify traceability for your next audit. Advanced systems provide easy access to a full history of water quality data and allow you to export dispense reports, ensuring effortless compliance and data integrity.
Commitment to Sustainability
Milli-Q® designs support greater laboratory sustainability. The systems are engineered to save both water and energy and reduce chemical waste by eliminating the need for harsh chemical regenerations. Furthermore, compact, modern cartridge designs help to reduce plastic use and waste.
QUALITY BEGINS AT THE SOURCE
We are a proud official partner of
We are proud to partner with Merck, a global leader renowned for its pioneering role in laboratory science. Merck’s dedication to precision and reliability is at the core of every Milli-Q® system, a comprehensive portfolio of water purification solutions designed to meet the exact standards of any application. With a legacy of innovation dating back to 1967, Milli-Q® systems are developed and produced exclusively at Merck’s state-of-the-art, ISO 9001 certified facilities in France. This deep expertise ensures that every drop of water from a Milli-Q® system is a foundation for reproducible, trustworthy results, empowering you to focus on your next discovery with total confidence.
“At Chemical Express, we take pride in delivering premium chemistry products to over 3,000 clients across Thailand, supporting research excellence in a wide range of fields for more than 20 years. Our extensive selection of top-quality chemistry products, sourced from globally trusted partners, guarantees exceptional reliability. We are committed to exceeding your expectations by offering the most precise and dependable chemical products and services tailored to your needs.”
EXPERIENCE EXCELLENCE WITH CHEMICAL EXPRESS
A MILLI-Q® SYSTEM FOR EVERY LABORATORY NEED
From basic glassware rinsing to sensitive trace elemental analysis, the Milli-Q® series offers a complete solution for any laboratory’s purified water needs. The portfolio is designed around three distinct water qualities, ensuring you can find the perfect system to match your specific applications.
Ultrapure Water - Type 1
Ultrapure water, HPLC-grade, Molecular Biology Grade
The Highest Purity for Your Most Sensitive Applications
Type I ultrapure water (Milli-Q® water) is essential for experiments where even the slightest contamination can impact results. It is defined by its high resistivity and extremely low levels of organic contaminants, particles, and bacteria.
Common Applications: Chromatography, Cell and molecular biology, Trace metals analysis, Specific removal
Common Applications: Titration, pH, UV-Vis, Microbiology, Glassware rinse, weathering devices
Pure Water - Type 2
Pure water, DI, RODI, Distilled
The Versatile Choice for General Lab Work
Type II pure water, or deionized (DI) water, is a reliable and cost-effective solution for a wide range of general laboratory tasks, from buffer preparation to feeding instruments. It is also suitable for labs requiring Clinical Laboratory Reagent Water (CLRW).
Common Applications: Autoclave feed, Environmental / stability chambers, Non-critical rinsing
Pure Water - Type 3 & RO
Purewater, RO, Filtered
The Dependable Source for Everyday Needs
Type III water, often produced by reverse osmosis (RO), is the ideal starting point for many lab workflows. It’s the dependable choice for non-critical rinsing and feeding equipment that requires pre-treated water.
Ultrapure Water - Type 1
Ultrapure water, HPLC-grade, Molecular Biology Grade
The Highest Purity for Your Most Sensitive Applications
Type I ultrapure water (Milli-Q® water) is essential for experiments where even the slightest contamination can impact results. It is defined by its high resistivity and extremely low levels of organic contaminants, particles, and bacteria.
Pure Water - Type 2
Pure water, DI, RODI, Distilled
The Versatile Choice for General Lab Work
Type II pure water, or deionized (DI) water, is a reliable and cost-effective solution for a wide range of general laboratory tasks, from buffer preparation to feeding instruments. It is also suitable for labs requiring Clinical Laboratory Reagent Water (CLRW).
Pure Water - Type 3 & RO
Purewater, RO, Filtered
The Dependable Source for Everyday Needs
Type III water, often produced by reverse osmosis (RO), is the ideal starting point for many lab workflows. It’s the dependable choice for non-critical rinsing and feeding equipment that requires pre-treated water.
Common Applications: Chromatography, Cell and molecular biology, Trace metals analysis, Specific removal
Common Applications: Titration, pH, UV-Vis, Microbiology, Glassware rinse, weathering devices
Common Applications: Autoclave feed, Environmental / stability chambers, Non-critical rinsing
Let’s Find Your Ideal Water Solution
Selecting the right water quality is critical. Our team is here to assess your specific applications and budget to recommend the perfect Milli-Q® system for your lab. Contact us today for a personalized consultation.
Featured Models
Milli-Q® EQ 7000
Ultrapure (Type 1) Water
The ideal choice for straightforward, high-quality ultrapure water with modern conveniences and a focus on sustainability
Key Features:
- IPAK Meta® and IPAK Quanta® polishing cartridges remove ions from pure water down to trace level.
- The Q-POD® dispenser offers agile delivery of water at 3 manually adjustable flow rates (< 2 L/min).
- ‘Check & Dispense’ lights on the Q-POD® arm ensure system readiness and an optimal dispense.
- One-touch volumetric dispensing, from 100 mL to 25 L, in 100 mL increments.
- Delivers consistent low total organic carbon (TOC = 5 ppb) ultrapure water.
- A user-friendly, intuitive HMI touchscreen simplifies system use and data access.
- At-a-glance quality monitoring gives essential water quality information (resistivity, temperature, TOC indication, and water circulation status) on the touchscreen interface.
- The inline TOC indicator measures TOC at the point of use. The measure appears on the display 90 seconds after each dispense.
- e-Sure tags present on all system consumables including Application POD-Paks give full data traceability.
- Flexible, space-saving installation options: on or under the bench, or wall mount.
- A convenient hands-free dispensing foot pedal option reduces the risk of contamination.
- Lab Close mode minimizes water and energy consumption when the system is not used for extended periods.
- Easy and carefree maintenance: Automatic alerts notify the need for cartridge replacement.
- Manufactured in an ISO 9001 and ISO 14001 certified production site.
Best For:
Labs that need a modern, user-friendly ultrapure water polisher to connect to an existing pure water source (e.g., a tank or distribution loop).
Product Flow Rate: Up to 2 L/min
Milli-Q® EQ 7008/ 7016
Ultrapure (Type 1) and Reserve Osmosis (RO) Water from Tap
A simple, single-unit solution to go from tap to ultrapure water without needing a separate pre-treatment system.
Key Features:
- Intelligent pure water storage solution provides multi-targeted protection to safeguard water quality.
- IPAK Meta® and IPAK Quanta® polishing cartridges remove ions from pure water down to trace level.
- The Q-POD® dispenser offers agile delivery of water at 3 manually adjustable flow rates.
- ‘Check & Dispense’ lights on the Q-POD® arm ensure system readiness and an optimal dispense.
- One-touch volumetric dispensing, from 100 mL to 25 L, in 100 mL increments.
- The dispenser and HMI touchscreen can be installed up to 3 m distance from the system.
- Delivers consistent low total organic carbon (TOC = 5 ppb) ultrapure water.
- A user-friendly, intuitive HMI touchscreen simplifies system use and data access.
- At-a-glance quality monitoring gives essential water quality information (resistivity, temperature, TOC indication, and water circulation status) on the touchscreen interface.
- Inline proprietary TOC indicator measures at the point of use. The measure appears on the display 90 seconds after each dispense.
- e-Sure tags present on all system consumables including Application POD-Paks give full data traceability.
- Flexible, space-saving installation options: on or under the bench, or wall mount.
- A convenient hands-free dispensing foot pedal option reduces the risk of contamination.
- Lab Close mode minimizes water and energy consumption when the system is not used for extended periods.
- Easy and carefree maintenance: Automatic alerts notify the need for cartridge replacement.
- Manufactured in an ISO 9001 and ISO 14001 certified production site.
Best for:
Labs that want the convenience of a single system that produces ultrapure water directly from a tap water source.
Product Flow Rate: 0.5 L/min to < 2 L/min
Milli-Q® IQ 7000
The perfect choice for labs where data traceability, exceptional water quality, and user-centric design are paramount.
- Simple & intuitive dispensing: Obtaining ultrapure water from the redesigned Q-POD® dispenser has never been so easy, precise or effortless with the new "wheel" dispense. Access multiple dispensing functions that are useful for day-to-day work in the lab.
- Intuitive touch screen interactions: Like a smartphone, the Q-POD® dispenser′s large, interactive touch screen allows you to go anywhere in just a few clicks.
- Optimized lab space: Protect your working space from clutter. The system is designed for a neat installation and clean lab benches, free of loose tubing and cables. You only need to interact with the Q-POD® dispenser - the rest of the compact system can easily be integrated into the lab environment. For labs needing more than one ultrapure water point-of-use, up to four Q-POD® dispensers can be connected to one production unit.
- Superior ultrapure water - consistently - to the trace level: The combination of Jetpore® and IQnano™ resins allow you to fully rely on the system′s water purity for your critical experiments. And with A10® TOC on-board monitoring, you′re spared from uncertainty or misinterpreting results - and also from having to repeat time-consuming analyses.
- Advanced traceability: Advanced data tracking, such as Dispensing Events ensures a history of all dispense reports and Daily Quality Measures provides water quality traceability over time. Complete History is a global archive of all system data when more in-depth analysis is required. Traceability is also ensured through the e-Sure tags on system POD-Paks and cartridges.
- Quality & Compliance: The system is intended to produce ultrapure water that meets or exceeds requirements as described by the ASTM®, ISO 3696, the CLSI norms, European Pharmacopoeia and US Pharmacopoeia.
- Product Water TOC: < 2 ppb (in the appropriate operating conditions, otherwise typically < 5 ppb).
- Product water particulates: No particles with a size > 0.22 mm (with MILLIPAK® filter).
- Product water instant delivery rate: Up to 2 L/min.
Product Flow Rate: Drop by drop – 2 L/min
Milli-Q® IQ 7003/05/10/15
The ultimate lab water solution for labs wanting the highest performance and convenience without compromise.
- Dual-technology integration combining Elix® EDI technology for pure water with advanced IQ 7000 polishing technologies
- Dual dispensers featuring both a Q-POD® for ultrapure water and an E-POD® for pure water
- Ultimate performance delivering all advanced monitoring and data management features of the IQ 7000 in a single unit
Product Flow Rate: Drop by drop – 2 L/min
Milli-Q® SQ 240/240L/
240XL/240C/240CV
Green Alternative Product
The ultimately simple, completely scalable tap-to-ultrapure water solution designed to deliver reliable 18.2 MΩ·cm water to any lab bench, with or without a direct water supply line.
Key Features:
The exceptionally high-flow reverse osmosis (RO) membrane produces up to 42 L/h of pure water, rapidly filling the mobile Switch tank in as few as 6 minutes.
Consistently delivers pristine 18.2 MΩ·cm (at 25°C) ultrapure water that fulfills strict regulatory requirements, including USP, EP, and CLSI Clinical Laboratory Reagent Water (CLRW) standards.
The intuitive mechanical handset dispenser smoothly adjusts water delivery from a rapid 1.6 L/min down to precise, drop-by-drop distribution.
Employs SQPAK™ TOC Quanta polishing cartridges containing high-efficiency IQnano™ resin and activated carbon to drop total organic carbon levels to $\le$ 5 ppb.
Scale your layout seamlessly by choosing between the Standard (240), Dual-Tank (240L), 50 L Tank (240XL), or sink-adjacent Combined setups (240C/240CV) to match your team's exact workflow.
The specialized SQ 240CV configuration allows for automatic, repeated serial preset volume dispensing directly from a fixed point.
The unique 3.5 L transparent Switch tank allows researchers to safely and easily carry purified RO water to independent dispensing stations anywhere in the lab.
Rapid upstart is fully supported by clear color-coded packaging, illustrative printed manuals, and online step-by-step video tutorials via QR codes.
Features a swift Twist & Lock cartridge replacement design and a long-lifetime photooxidation UV lamp engineered and tested to last up to 7 years.
Officially recognized as a Greener Alternative Product, featuring an optimized RO recovery loop that consumes 60% less tap water than previous-generation systems.
- Milli-Q® SQ 2Series systems were awarded Best New General Lab Product by SelectScience® readers.
Best for:
Labs seeking a modular, scalable tap-to-ultrapure water system that can easily expand with multiple autonomous dispensing units or feed direct lab machinery as testing demands grow.
Product Flow Rate: Pure RO production up to 42 L/h; Ultrapure dispensing up to 1.6 L/min.
Milli-Q® SQ 200/ 200P
Green Alternative Product
The ultra-compact ultrapure water polishing module that brings high-quality 18.2 MΩ·cm water to busy benches with zero need for plumbing or a direct water inlet.
Key Features:
Features a uniquely compact size ($22 x 27$ cm per unit) that maximizes available workspace on highly utilized lab benches.
Autonomous SQ 200 dispensing units operate using only a standard electrical outlet, allowing you to position your ultrapure water exactly where your science happens.
Ergonomically designed handset allows users to manually adjust the flow of ultrapure water with a thumb lever from 1.6 L/min down to drop-by-drop accuracy.
The SQ 200P configuration hooks up seamlessly to an existing central pressurized pure water loop or reservoir tank for continuous, on-demand polishing.
Guarantees absolute water purity via a two-way multi-lumen tubing system that continuously recirculates water through the polishing cartridge and UV lamp.
Utilizes SQPAK™ Quanta cartridges packed with high-efficiency IQnano™ resin to strip away background ions down to trace levels.
An explicit digital screen displays vital information instantly, including water quality metrics, water availability status, and system alerts.
Avoid service calls with an easy maintenance design that allows any user to swap out polishing cartridges or application final filters in seconds.
- Milli-Q® SQ 2Series systems were awarded Best New General Lab Product by SelectScience® readers.
Best For: Labs requiring ultra-flexible, independent polishing modules that can move freely between benchtops (SQ 200), or facilities looking to add point-of-use ultrapure dispensing to an existing centralized pure water distribution loop (SQ 200P). Product Flow Rate: Up to 1.6 L/min down to drop by drop
ELIX® ELECTRODEIONIZATION (EDI) TECHNOLOGY
At the heart of Merck’s advanced water systems is the patented Elix® EDI module—a self-sustaining engine, not just another filter. This revolutionary technology is the intelligent core of your lab, engineered to deliver a constant supply of superior Type 2 pure water for your most critical work.
Break Free from the Cartridge Cycle
Traditional deionization (DI) traps you in a costly cycle of disposable cartridges, degrading water quality, and workflow interruptions. Elix® EDI technology breaks this cycle. Instead of a passive filter that wears out, Elix® is an active, self-regenerating system. Using a gentle electric current, it ensures its resins never expire, offering a permanent, intelligent solution.
The Elix® Advantage: Intelligence in Every Drop
- Constant, Reliable Purity Efficiently removes remaining ions from RO-purified water to produce constant-quality pure water, regardless of feed water quality or RO cartridge performance.
- Eliminates Consumables & Chemicals Completely eliminates the need for hazardous chemical regenerations, costly resin replacements, and frequent DI cartridge changes.
- Low, Predictable Running Costs Dramatically reduces maintenance time, ensuring your lab benefits from low and predictable operating expenses year after year.
Milli-Q Models Using Elix® Technology
Milli-Q® HX 7000 SD Series
Milli-Q® HX 7000 Series
Milli-Q® IX 7003/05/10/15
Milli-Q® IQ 7003/05/10/15
Elix® Essential
EXPERT GUIDANCE FOR FLAWLESS ANALYSIS
Choosing a water purification system is about more than just water type, it’s about your lab’s unique demands. Unsure which Milli-Q® system matches your daily usage, application needs, quality standards and budgets? Let our experts provide clarity. We offer a complimentary consultation to assess your workflow and recommend the most efficient and cost-effective Milli-Q® solution, ensuring flawless performance from day one.
CONNECT WITH OUR TEAM
Book your personalized consultation session with our team below and our expert team will contact you shortly.
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