Tailin HTY-DI1500 Total Organic Carbon Analyzer
| Brand | Tailin |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory TOC Analyzer |
| Detection Principle | Direct Conductivity Method |
| Oxidation Method | UV/Persulfate Oxidation |
| Measurement Range | 0.001–1.500 mg/L |
| Accuracy | ±3% |
| Resolution | 1 ppb |
| Detection Limit | 0.001 mg/L |
| Repeatability | ≤±3% |
Overview
The Tailin HTY-DI1500 Total Organic Carbon (TOC) Analyzer is a laboratory-grade instrument engineered for precise quantification of non-purgeable organic carbon in ultrapure water matrices. It operates on the direct conductivity detection principle following complete oxidation of organic compounds to carbon dioxide. The system employs a dual-stage oxidation strategy—combining low-pressure UV irradiation (185/254 nm) with sodium persulfate catalysis—to ensure quantitative conversion of refractory and volatile organics without requiring high-temperature combustion or carrier gas infrastructure. This approach delivers robust performance across pharmaceutical water systems—including Purified Water (PW), Water for Injection (WFI), and Ultra-Pure Water (UPW)—where trace-level organic contamination poses critical risks to product quality and process validation.
Key Features
- UV/persulfate oxidation module featuring proprietary TiO₂-coated helical quartz reaction tubing, enhancing photon utilization efficiency and improving oxidation yield for diverse organic species including acetic acid, ethanolamine, and low-molecular-weight aldehydes.
- Direct conductivity detection cell with temperature-compensated measurement circuitry, eliminating interference from inorganic anions and enabling stable baseline operation over extended run times.
- Fully integrated computer-controlled architecture compliant with FDA 21 CFR Part 11 requirements, supporting electronic signatures, role-based access control, and immutable audit trails for all analytical events and parameter changes.
- Modular design accommodating optional accessories: 18-position or 70-position autosamplers (HTY-AS18 / HTY-AS70) and a dedicated online monitoring interface (HTY-OMI) for integration into purified water distribution loops.
- Pre-validated method templates aligned with USP , EP 2.2.44, and JP 17 guidelines, allowing rapid deployment in GMP-regulated environments without full revalidation.
Sample Compatibility & Compliance
The HTY-DI1500 is validated for analysis of aqueous samples with conductivity ≤5.1 µS/cm at 25 °C, including PW, WFI, UPW, and clean steam condensate. It meets the metrological requirements specified in Zhejiang Provincial Metrology Verification Regulation JJG (Zhejiang) 129–2021 (Certificate No.: Zhejiang Manufacturing Approval 01010406). All firmware and software modules undergo periodic verification per ICH Q5A and Annex 11 principles. System suitability testing includes daily calibration verification using potassium hydrogen phthalate (KHP) standards and procedural blanks to confirm background suppression and oxidation efficiency ≥95%.
Software & Data Management
The HTY-DI1500 is operated via Tailin TOC Control Suite v3.2—a Windows-based application developed under ALCOA+ data integrity principles. The software implements hierarchical user roles (Administrator, Analyst, Reviewer), time-stamped electronic signatures, and encrypted local database storage with automatic backup to network drives. Raw conductivity signals, oxidation kinetics curves, and calibration logs are retained with full metadata (operator ID, instrument ID, environmental conditions). Export formats include CSV, PDF analytical reports, and XML-compatible structured data for LIMS integration. Audit trail review functionality supports retrospective assessment of all data modifications, deletions, or reprocessing actions.
Applications
- Pharmaceutical manufacturing: Routine release testing of PW/WFI per USP and EU GMP Annex 1; support for cleaning validation studies and bioburden risk assessments.
- Semiconductor fabrication: Monitoring TOC excursions in UPW used for wafer rinsing and photolithography processes where sub-ppb organic residues impact device yield.
- Power generation: Feedwater purity assurance in nuclear and thermal power plants to prevent corrosion by organic-acid degradation products.
- Academic and contract research laboratories: Method development for novel oxidation protocols and inter-laboratory comparison studies under ISO/IEC 17025 accreditation frameworks.
FAQ
Does the HTY-DI1500 require external gas supply or catalyst replacement?
No. The UV/persulfate oxidation system operates without carrier gas, noble metal catalysts, or consumable ceramic reactors. The TiO₂-coated reaction tube has a service life exceeding 10,000 analyses under standard operating conditions.
Can the instrument be qualified per IQ/OQ/PQ protocols?
Yes. Tailin provides comprehensive qualification documentation packages—including URS, FDS, DQ evidence, and pre-written IQ/OQ test scripts—aligned with ASTM E2500-13 and ISPE GAMP 5 guidance.
Is remote monitoring supported?
The HTY-DI1500 supports OPC UA communication protocol for real-time data streaming to SCADA or MES platforms. Secure remote desktop access is enabled only via authenticated corporate VPN channels per NIST SP 800-46.
How is system suitability verified before sample analysis?
Automated system suitability checks include blank response verification (<0.002 mg/L), KHP recovery (85–115%), and oxidation efficiency confirmation using sucrose and 1,4-benzoquinone challenge standards.
