Sievers Boron Online Analyzer for Ultrapure Water
| Brand | Sievers (Veolia) |
|---|---|
| Origin | USA |
| Manufacturer | Veolia Water Technologies |
| Product Type | Imported |
| Model | Sievers Boron |
| Pricing | Upon Request |
Overview
The Sievers Boron Online Analyzer is a fully automated, laboratory-grade boron measurement system engineered for continuous, real-time monitoring of ultrapure water (UPW) in semiconductor, pharmaceutical, and power generation facilities. It employs a highly selective colorimetric method based on the curcumin complexation reaction—where boron forms a stable pink-colored complex with curcumin under acidic conditions—and quantifies boron concentration via precise photometric detection at 540 nm. This principle delivers trace-level sensitivity without interference from common UPW contaminants such as silica, chloride, sulfate, or residual organics. Designed specifically for resistivity ≥15 MΩ·cm water streams, the analyzer operates unattended for extended periods while maintaining metrological integrity across the full dynamic range of 0.015–20 ppb B. Its 15 ppt (0.015 ppb) limit of detection (LOD) enables early detection of boron breakthrough prior to silica release—a critical capability for preventing downstream contamination in polishing loop applications.
Key Features
- Continuous online analysis with configurable sampling intervals (as frequent as every 6.5 minutes)
- Trace-level detection limit of 0.015 ppb B with ±3% or ±0.005 ppb precision (whichever is greater)
- Multi-stream capability supporting up to four independent sample lines with automatic sequencing
- Four isolated 4–20 mA analog outputs for integration into DCS/SCADA systems
- Dual alarm outputs and four programmable binary outputs for process interlocks and maintenance alerts
- Robust architecture with minimal consumables: reagent cartridges (90-day life at 12-min cycle), boron-specific columns (12-month service interval), and zero columns (12-month replacement cycle)
- Gravity-based waste disposal—no backpressure requirements or auxiliary pumps
- CE-marked and compliant with IEC 61000-6-2/6-4 electromagnetic compatibility standards
Sample Compatibility & Compliance
The analyzer is validated for use with ultrapure water streams meeting ASTM D5127 and SEMI F63 specifications. Sample requirements include minimum resistivity of 15 MΩ·cm, temperature range of 15–40°C, flow rate of 0.1–0.5 L/min, and inlet pressure between 20–100 psig (138–689 kPa). Particulate load must not exceed 15 µm; integrated 15-µm prefiltration is included in the standard accessory kit. The system supports GLP/GMP-aligned operation through audit-trail-enabled calibration logging and user-accessible calibration history. While not FDA 21 CFR Part 11 certified out-of-the-box, its data export functions (RS-232, parallel printer port) allow seamless integration with validated LIMS or electronic lab notebook (ELN) platforms that enforce electronic signature and change control policies.
Software & Data Management
Data acquisition and instrument control are managed via embedded firmware with local LCD interface and soft-key navigation. All measurements, calibration events, reagent usage logs, and diagnostic flags are timestamped and stored internally for ≥30 days. Raw data exports are supported in ASCII format via RS-232 serial link or parallel printer port—enabling direct ingestion into plant historians or third-party analytics tools. Optional Modbus TCP/IP gateway modules (sold separately) facilitate integration with modern IIoT architectures. Calibration stability exceeds 12 months under typical UPW conditions, reducing operational overhead and minimizing drift-related recalibration frequency.
Applications
- Semiconductor fab UPW polishing loops—early warning of mixed-bed exhaustion and EDI membrane fouling
- Power plant boiler feedwater monitoring to prevent turbine deposit formation
- Pharmaceutical WFI (Water for Injection) distribution system surveillance per USP
- Research reactor coolant purity assurance
- Advanced materials synthesis cleanrooms requiring sub-ppq boron control
FAQ
What is the minimum detectable boron concentration?
The instrument achieves a limit of detection (LOD) of 0.015 ppb B (15 ppt) under standard operating conditions.
Can the analyzer handle multiple sample sources simultaneously?
Yes—it supports up to four independent sample streams with automatic multiplexed sampling and individual calibration tracking.
How often do consumables require replacement?
Reagent cartridges last 90 days at 12-minute sampling intervals or 45 days at 6.5-minute intervals; boron-specific columns and zero columns each have a 12-month service life.
Is external waste pumping required?
No—waste is discharged by gravity only; no backpressure tolerance or vacuum assist is needed.
Does the system comply with international regulatory frameworks?
It carries CE marking and meets IEC 61000 immunity/emission requirements; full 21 CFR Part 11 compliance depends on host system configuration and procedural controls.
