Millipore Milli-Q Integral Ultra Pure Water System
| Brand | Millipore |
|---|---|
| Origin | France |
| Model | Milli-Q Integral |
| Production Capacity | 70–360 L/day (Pure/UPW) |
| Pure Water (Elix) | >5 MΩ·cm @ 25 °C, TOC <30 ppb |
| Ultra-Pure Water (Milli-Q) | 18.2 MΩ·cm @ 25 °C, TOC <5 ppb |
| Bacterial Count | <1 CFU/mL (with Millipak Express 40 or Biopak) |
| Endotoxin | <0.001 EU/mL (with Biopak) |
| RNase/DNase | <0.01 ng/mL / <4 pg/μL (with Biopak) |
| Compliance | ISO 3696 Grade 1 & 2, ASTM D1193 Type I & II, USP®, EP, CLSI®-CLRW, FDA 21 CFR Part 11-ready software architecture |
Overview
The Millipore Milli-Q Integral Ultra Pure Water System is a fully integrated, dual-loop laboratory water purification platform engineered to generate both Type II pure water (Elix) and Type I ultrapure water (Milli-Q) directly from municipal tap feedwater—eliminating the need for pre-treatment units or external deionization stages. Its core architecture combines Elix electrodeionization (EDI) technology with continuously regenerated ion-exchange resins powered by low-current electrochemical regeneration, enabling stable resistivity >5 MΩ·cm and TOC <30 ppb in pure water mode. The ultrapure loop integrates multi-stage polishing—including 0.2 µm final filtration, UV photo-oxidation (185/254 nm), and optional Biopak ultrafiltration—to deliver water meeting stringent ISO 3696 Grade 1, ASTM D1193 Type I, USP Purified Water and Water for Injection (WFI)-adjacent specifications (endotoxin <0.001 EU/mL, RNase <0.01 ng/mL, DNase <4 pg/μL). Designed for regulatory environments, the system operates within defined process boundaries validated per ISO 9001:2000 and ISO 14001 frameworks, with CE, cULus, and FCC certifications confirming electromagnetic compatibility and electrical safety compliance.
Key Features
- Modular dual-output architecture: Simultaneous production of Elix pure water (70–360 L/day) and Milli-Q ultrapure water (0.05–2.0 L/min), scalable across Integral 3, 5, 10, and 15 configurations.
- Smart POD interface: Wall-mountable, 360° rotatable, height-adjustable E-POD and Q-POD dispensers with full-color LCD displays showing real-time conductivity, TOC, temperature, flow rate, and filter saturation status—enabling remote monitoring without host access.
- Quantitative dispensing: Programmable volume delivery (mL to L) with precision ±2% accuracy and automatic stop-on-target, supporting GLP-compliant documentation workflows.
- Dual-parameter online monitoring: Patented TOC analyzer (UV-persulfate oxidation + NDIR detection) and high-stability, low-cell-constant resistivity sensor (ASTM D1125-95 compliant) with automatic temperature compensation (±0.1 °C resolution).
- Self-managing operation: Embedded intelligence automates sanitization cycles, consumables tracking, alarm logging, and preventive maintenance scheduling; user roles (administrator/operator) enforce parameter lockout and audit trail integrity.
Sample Compatibility & Compliance
The Milli-Q Integral supports application-specific water quality through configurable terminal purification modules. With Millipak Express 40 (0.2 µm PES membrane), output meets requirements for HPLC, LC-MS, ICP-MS, AAS, and ion chromatography. Integration of Biopak ultrafiltration enables molecular biology-grade water—validated for PCR, cell culture, and transfection applications—demonstrating DEPC-equivalent nuclease removal. For endocrine disruptor screening (EDS), EDS-specific adsorption cartridges reduce trace hormone analogs below detectable limits. All configurations comply with ISO 3696 (Grades 1 & 2), ASTM D1193 (Types I & II), European Pharmacopoeia (EP) Chapter 2.2.44, United States Pharmacopeia (USP) , and CLSI®-CLRW standards. System validation packages include Certificate of Conformance, Calibration Certificates (resistivity/TOC sensors), and POD Pak challenge-test reports verifying removal efficacy against defined contaminants (e.g., endotoxin, RNase, particles >0.2 µm).
Software & Data Management
The embedded control software provides FDA 21 CFR Part 11–ready functionality via electronic signatures, role-based access control, and immutable audit trails recording all user actions, system events, calibration logs, and alarm histories. Data export is supported in CSV and PDF formats compatible with LIMS integration. Optional Milli-Q Connect cloud service enables remote diagnostics, predictive maintenance alerts, and centralized fleet management across multi-site laboratories. All firmware updates undergo rigorous verification per IEC 62304 Class B medical device software standards, ensuring operational continuity and data integrity throughout the system lifecycle.
Applications
- Analytical instrumentation: HPLC mobile phase preparation, LC-MS solvent blanks, ICP-OES/MS calibration standards, GC carrier gas humidification.
- Molecular biology: Oligonucleotide synthesis, qRT-PCR master mix preparation, CRISPR-Cas9 reagent dilution, primary cell line expansion.
- Pharmaceutical QA/QC: Buffer formulation for biologics purification, dissolution media preparation (USP ), glassware rinsing for sterility testing.
- Clinical & diagnostic labs: Reagent manufacturing for IVD kits, ELISA substrate dilution, flow cytometry sheath fluid.
- Environmental testing: EPA Method 500/600 series sample dilution, TOC blank verification, trace metal analysis matrices.
FAQ
What feedwater quality is required for optimal Milli-Q Integral performance?
The system is validated for inlet water meeting US-EPA, European Pharmacopoeia, and WHO drinking water guidelines—typically <200 ppm total dissolved solids (TDS), <5 ppm chlorine, and <1 ppm iron. Pre-filtration (e.g., activated carbon + sediment filter) is recommended where municipal supply exceeds these thresholds.
How frequently must consumables be replaced?
Elix cartridge life depends on feedwater TDS and daily usage; typical replacement intervals range from 6–12 months. Millipak Express 40 filters last ~6 months under standard lab use; Biopak ultrafilters require replacement every 3–6 months based on endotoxin challenge testing. The system’s sensor-driven alerts notify users at 90% saturation.
Is the Milli-Q Integral suitable for GMP-regulated environments?
Yes—the system’s design, documentation package (including IQ/OQ protocols), audit trail capability, and 21 CFR Part 11–compliant software architecture support qualification in pharmaceutical, biotech, and clinical laboratories operating under GMP, GLP, or ISO 17025 frameworks.
Can multiple Q-PODs be connected to one Integral unit?
No—each Milli-Q Integral hosts a single dedicated Q-POD for ultrapure water distribution. However, up to three E-PODs may be daisy-chained to the Elix loop for decentralized pure water access across lab benches.
Does the TOC monitor require periodic recalibration?
The factory-calibrated TOC sensor includes built-in verification using certified sucrose standards; full recalibration is recommended annually or after major service events, following Millipore’s documented SOPs and traceable NIST-traceable reference materials.
