EURPING Acide 3600 Automated Acid Counterflow Cleaner

Overview

The EURPING Acide 3600 Automated Acid Counterflow Cleaner is an engineered solution for ultra-low-background cleaning of trace-analysis laboratoryware. It integrates three critical unit operations—sub-boiling acid vapor cleaning, ultrapure water rinsing, and HEPA-filtered hot-air drying—into a single, fully automated sequence. Its core principle relies on controlled, unidirectional acid vapor saturation and counterflow condensation within a sealed chamber: high-purity acids (e.g., HNO₃, HCl, HF) are heated to sub-boiling temperatures, generating vapor that migrates upward, condenses uniformly on cooler vessel surfaces, and flows downward under gravity—carrying soluble inorganic residues (e.g., Na⁺, K⁺, Ca²⁺, Al³⁺, Fe³⁺) into a dedicated waste collection system. This non-recirculating vapor pathway eliminates cross-contamination risks inherent in conventional reflux or batch immersion methods. The Acide 3600 is specifically designed for laboratories performing ICP-MS, ICP-OES, HR-ICP-MS, and other elemental analysis techniques where instrumental detection limits are constrained by sample introduction system cleanliness—not instrument sensitivity.

Key Features

• Fully automated operation: No manual intervention required from acid loading to dry storage-ready output.
• Unidirectional, non-recirculating acid vapor system: Prevents re-deposition of volatilized contaminants; ensures consistent ppt-level background suppression across all load positions.
• Sub-boiling acid vapor generation: Precise temperature control maintains acid integrity while maximizing vapor-phase cleaning efficiency—critical for PFA, TFM, quartz, and fused-silica components.
• High-flow, non-recirculating ultrapure water rinse: 120 L/min flow rate delivers rapid, laminar-sheet rinsing without turbulence-induced redeposition; integrated self-priming pump eliminates external water supply dependency.
• Integrated HEPA-prefiltered drying: 500 W heating element coupled with particulate-free airflow ensures residue-free, oxidation-minimized drying—essential for low-blank metal analysis.
• Interlocked acid reservoir: Mechanically sealed except during active vapor phase; prevents accidental exposure and ensures condensate and rinse effluent are routed exclusively to the waste collection module.
• Intelligent fluid management: Real-time acid level sensing with audible/visual alerts, auto-drain capability for maintenance, and programmable acid dosing per cycle.

Sample Compatibility & Compliance

The Acide 3600 accommodates a broad range of trace-analysis consumables and hardware: borosilicate glass vials (e.g., SC40, SC50), quartz digestion tubes, PFA/TFM microwave vessels, quartz ICP-MS sample cones and skimmer cones, nickel and platinum sampler/skimmer cones, and fused-silica nebulizer tubing. All wetted materials are chemically inert to concentrated mineral acids at elevated temperatures. The system complies with ISO/IEC 17025 requirements for equipment qualification in accredited testing laboratories. Its closed-loop architecture supports GLP/GMP documentation workflows, including audit-trail-capable program execution logs, cycle parameter recording (temperature ramp profiles, rinse duration, acid volume consumed), and user-access-level controls. While not FDA-cleared as a medical device, its design aligns with USP and ASTM D5127 guidance for low-level metal contamination control in analytical sample preparation.

Software & Data Management

Control is managed via a 7-inch capacitive touchscreen interface running a real-time embedded OS. Twenty factory-validated cleaning protocols are preloaded—including optimized sequences for quartz ICP-MS cones (HF/HNO₃ vapor + 18.2 MΩ·cm rinse), PFA vials (HNO₃-only sub-boiling), and multi-step mixed-acid digestion vessels. Users may create, name, version-control, and store unlimited custom programs with adjustable setpoints for acid ramp time, vapor dwell duration, rinse volume, and drying temperature profile. All executed cycles generate timestamped metadata: operator ID, program name, start/end times, acid type and volume used, maximum temperature reached, and system fault codes (if any). Data export is supported via USB 2.0 port in CSV format for integration into LIMS or QA/QC reporting systems. Audit trail functionality meets ALCOA+ principles for data integrity.

Applications

• Preparation of ultra-clean sample introduction components for ICP-MS and HR-ICP-MS, reducing polyatomic interferences (e.g., ⁴⁰Ar³⁵Cl⁺ on ⁷⁵As⁺) and improving detection limits for ultra-trace elements (e.g., U, Th, rare earths).
• Routine decontamination of quartz and PFA labware used in environmental water analysis (EPA Method 1638, 200.8) and semiconductor-grade chemical purity verification.
• Restoration of metal-deposited ICP-MS cones and torches without mechanical abrasion or ultrasonic cavitation damage.
• Validation of blank levels in certified reference material (CRM) preparation workflows per ISO Guide 35.
• Supporting ISO 15195-compliant calibration laboratories requiring documented evidence of contamination control in measurement traceability chains.

FAQ

What acid types are compatible with the Acide 3600?

Concentrated nitric acid (HNO₃), hydrochloric acid (HCl), hydrofluoric acid (HF), and mixtures thereof (e.g., aqua regia) are supported. Acid compatibility must be verified against vessel material specifications (e.g., HF requires PFA/TFM/Quartz; avoid borosilicate glass).

How is acid consumption minimized compared to traditional reflux cleaning?

The unidirectional vapor path and precise sub-boiling temperature control reduce acid usage by up to 70% versus open reflux systems, with typical consumption ranging from 80–150 mL per cycle depending on load size and acid type.

Can the Acide 3600 be integrated into a laboratory automation workflow?

Yes—the unit features RS-232 and optional Ethernet interfaces for remote status monitoring and cycle initiation via LIS/LIMS middleware; no proprietary drivers required.

Is validation support provided for IQ/OQ/PQ documentation?

EURPING supplies a comprehensive Validation Support Package including URS templates, FAT/SAT checklists, calibration certificates for internal sensors, and blank test data from independent third-party labs (available upon request).

What maintenance intervals are recommended?

Daily visual inspection of seals and waste lines; quarterly HEPA filter replacement; annual thermocouple and level sensor calibration—documented in the included Maintenance Logbook and aligned with ISO/IEC 17025 Clause 6.4.10.