QuartzLab 1810-B Automated Dual-Stage Subboiling Distillation System
| [Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic (PRC-Made) |
| Model | 1810-B |
| Instrument Type | Subboiling Distillation Apparatus |
| Output Power | 3.0 kW |
| Voltage/Frequency | 220 V / 50 Hz |
| Dimensions (W×D×H) | 530 × 300 × 440 mm |
| Pure Water Yield | 1800–2500 mL/h |
| Construction Material | High-Purity Fused Quartz (All-Wetted Parts)] |
Overview
The QuartzLab 1810-B Automated Dual-Stage Subboiling Distillation System is an ultra-high-purity water generation instrument engineered for trace-metal-sensitive analytical laboratories. It employs a two-stage, gravity-fed subboiling distillation process—where feed water is heated below its boiling point in quartz chambers to minimize aerosol entrainment and volatile impurity carryover. The first stage produces primary subboiling distillate, which is then gravity-fed into a second quartz distillation chamber for secondary purification. This dual-stage architecture significantly reduces non-volatile ionic contaminants—including Ca²⁺, Mg²⁺, Fe, Cu, Zn, Cr, Pb, and Cd—to sub-ppb levels (as verified by ICP-MS analysis), making the output suitable for ultratrace elemental analysis, atomic absorption spectroscopy (AAS), inductively coupled plasma mass spectrometry (ICP-MS), and high-performance liquid chromatography (HPLC) mobile phase preparation.
Key Features
- Fully quartz-wetted construction: All fluid-contact components—including both distillation flasks, condensers, and vapor pathways—are fabricated from high-purity fused quartz (SiO₂ ≥ 99.995%), eliminating metal leaching and ensuring compatibility with aggressive reagents and ultra-low background applications.
- Subboiling thermal control: Quartz heating elements operate below the saturation temperature of water, suppressing nucleate boiling and minimizing mechanical entrainment of particulates and dissolved ions.
- Automated dual-stage feed logic: Primary distillate is automatically routed to the secondary chamber once stable condensation is established—reducing operator intervention and improving batch-to-batch reproducibility.
- Integrated flow regulation system: Precision-controlled coolant flow (adjustable to ~200 drops/min via integrated pinch clamp) ensures optimal condenser efficiency without overflow risk or thermal shock to quartz components.
- Robust thermal architecture: 3.0 kW dual-zone quartz heating system enables rapid thermal stabilization and consistent distillation kinetics across variable ambient conditions.
- Compact benchtop footprint: Designed for space-constrained cleanrooms and Class 100/ISO 5 laminar flow hoods without compromising output capacity (1800–2500 mL/h).
Sample Compatibility & Compliance
The 1810-B is compatible with deionized (DI) or reverse osmosis (RO) feed water (conductivity ≤ 5 µS/cm recommended). Use of pre-purified feed water extends maintenance intervals and preserves quartz integrity. The system meets ASTM D1193 Type I water specifications for resistivity (≥18.2 MΩ·cm at 25 °C) and total oxidizable carbon (TOC < 5 ppb), and supports GLP/GMP workflows through documented operational parameters and traceable maintenance logs. While not inherently 21 CFR Part 11 compliant (as it lacks electronic audit trail functionality), the unit may be integrated into validated environments when paired with external data loggers meeting FDA requirements for raw data capture and retention.
Software & Data Management
The 1810-B operates via discrete electromechanical controls (no embedded firmware or digital interface). All operational parameters—including power activation sequence, coolant flow rate, and stage initiation timing—are manually set and recorded per batch using standardized lab notebooks or LIMS-integrated SOPs. For regulatory traceability, users are advised to document: feed water source/resistivity, start/stop timestamps, total volume collected, visual inspection of quartz surfaces, and post-run acid cleaning dates. Optional analog data logging kits (e.g., thermocouple + flow meter + chart recorder) can be deployed for continuous monitoring during qualification studies.
Applications
- Preparation of calibration standards and blanks for ICP-MS, GDMS, and HR-ICP-MS
- Mobile phase and rinse solution preparation for UHPLC and IC systems requiring ultra-low metal content
- Matrix-matched diluent formulation in environmental and clinical toxicology labs
- Reagent-grade water production for semiconductor wafer cleaning validation protocols
- Reference material certification support where certified reference water (CRW) is unavailable
- Long-term stability testing of metal-sensitive enzymes and biomolecules
FAQ
What feed water quality is required to achieve optimal performance?
Deionized water with resistivity ≥10 MΩ·cm and TOC < 50 ppb is strongly recommended. Tap or hard water will accelerate quartz scaling and reduce service life.
How often does the system require descaling?
With DI feed water, routine descaling is typically needed every 3–6 months; frequency increases with higher feed conductivity or hardness. A 20% v/v HNO₃ soak (4 hours) followed by triple DI rinse restores full performance.
Can the 1810-B be operated unattended overnight?
No. Due to absence of automatic dry-run protection or level-sensing circuitry, manual supervision is required—particularly during initial startup and when transitioning between distillation stages.
Is replacement quartzware available as spare parts?
Yes. All major quartz components—including inner/outer distillation flasks, dual condensers, and vapor transfer tubes—are available as OEM-certified spares with batch-specific QC documentation.
Does the unit comply with ISO 3696 or CLSI EP23-A guidelines?
It produces water meeting ISO 3696 Grade 1 specifications when operated per validated SOPs; however, final compliance verification requires in-house testing per ISO/IEC 17025-accredited methods.
