CREATRUST CTSZ-52 Automated Acid Vapor Cleaning System
| Brand | CREATRUST |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | CTSZ-52 |
| Pricing | Available Upon Request |
Overview
The CREATRUST CTSZ-52 Automated Acid Vapor Cleaning System is an engineered solution for trace-level contamination control in analytical laboratories. It operates on the principle of controlled acid vapor phase cleaning—utilizing purified nitric or hydrochloric acid vapors generated under precisely regulated temperature and pressure conditions to decontaminate labware surfaces without direct liquid contact. Unlike conventional immersion-based acid cleaning, which relies on prolonged static soaking and carries inherent risks of residual acid carryover, particle redeposition, and cross-contamination, the CTSZ-52 employs a fully sealed, programmable vapor-phase cycle. This method ensures uniform exposure of interior and exterior surfaces of TFM, PFA, borosilicate glass, and fused quartz vessels—including microwave digestion vessels (e.g., EasyPrep®, MARS Xpress®), volumetric flasks, centrifuge tubes, and sample vials—to reactive acid species at sub-boiling temperatures. The system is designed for laboratories performing ultra-trace elemental analysis (e.g., ICP-MS, GF-AAS) where blank levels must consistently remain below 10 pg/mL for elements such as Al, Cr, Cu, Fe, Pb, and Mn.
Key Features
- Fully automated, microprocessor-controlled cleaning cycles with adjustable vapor generation temperature (60–120 °C range), dwell time (5–120 min), and purge duration
- Hermetically sealed stainless-steel cleaning chamber with integrated acid recovery condenser to minimize reagent consumption and reduce hazardous waste generation
- Dual-stage HEPA + activated carbon exhaust filtration compliant with ISO 14644-1 Class 5 cleanroom air standards for operator safety and ambient air quality protection
- Modular rack system accommodating standard and custom vessel geometries up to 500 mL capacity; compatible with CEM MARS, Anton Paar Multiwave, Milestone ETHOS, and domestic microwave digestion platforms
- Self-diagnostic firmware with real-time monitoring of chamber pressure, vapor saturation level, and thermal stability—logging all operational parameters for GLP/GMP audit trails
Sample Compatibility & Compliance
The CTSZ-52 is validated for cleaning containers fabricated from fluoropolymer materials (TFM, PFA), high-purity fused quartz, and low-extractable borosilicate glass. It meets the surface cleanliness requirements specified in ASTM D5127–22 (Standard Guide for Cleaning Laboratory Glassware) and supports compliance with USP Total Organic Carbon and EPA Method 1638 for trace metal blank verification. When processing NIST SRM 1575 (pine needles), the system enables consistent recovery of certified reference values—Al (545 ppm), Ca (4100 ppm), Cr (32.6 ppm), Cu (200 ppm), Fe (3700 ppm), K (675 ppm), Mn (10.8 ppm), Pb (10.8 ppm)—without introducing measurable background interference. All cleaning protocols are documented per ISO/IEC 17025:2017 clause 7.2.2 for method validation and instrument qualification.
Software & Data Management
The embedded control interface runs CREATRUST CleanLog™ v3.1 firmware, supporting configurable cleaning profiles, user access levels (admin/operator), and encrypted CSV data export. Cycle logs include timestamped records of setpoints, actual process variables, alarm events, and operator ID—structured to satisfy FDA 21 CFR Part 11 requirements for electronic records and signatures. Optional Ethernet/Wi-Fi connectivity enables integration into LIMS environments via MODBUS TCP or OPC UA protocols. Audit trail reports can be exported for internal QA review or regulatory inspection preparation.
Applications
- Preparation of ultra-clean vessels for ICP-MS, ICP-OES, and HG-AFS analysis of environmental, clinical, and geological samples
- Blank reduction in multi-element trace analysis workflows requiring detection limits ≤0.1 ppt
- Decontamination of microwave digestion vessels prior to sequential batch processing of certified reference materials
- Supporting ISO 17025-accredited testing laboratories in maintaining documented evidence of container cleanliness per clause 6.4.2 (Equipment Handling)
- Minimizing acid consumption by >70% compared to conventional hot acid soak methods, reducing annual reagent costs and hazardous waste disposal volumes
FAQ
What acid types are compatible with the CTSZ-52 system?
Nitric acid (HNO₃), hydrochloric acid (HCl), and aqua regia (3:1 HCl:HNO₃) are supported; sulfuric and hydrofluoric acids are not recommended due to material compatibility constraints.
Can the CTSZ-52 be used for cleaning plastic labware?
No—only chemically inert fluoropolymers (TFM, PFA), fused quartz, and borosilicate glass are approved for vapor-phase exposure.
Does the system require external ventilation or fume hood installation?
It operates as a closed-loop system with internal filtration; however, connection to a dedicated exhaust duct is recommended when installed in non-dedicated analytical suites.
How is cleaning efficacy verified?
Users perform periodic blank testing using ultrapure water rinses followed by ICP-MS analysis; typical post-cleaning blanks show ≤5 pg/mL for transition metals and ≤10 pg/mL for alkali earths.
Is remote monitoring supported?
Yes—via optional network module enabling real-time status viewing, email alerts for cycle completion or fault conditions, and secure web-based log retrieval.
