Total Organic Carbon Analyzer
TOC-800S
The TOC-800S Total Organic Carbon (TOC) Analyzer uses high-temperature catalytic oxidation with NDIR detection. It is designed for measuring TOC concentrations in water samples ranging from 0.050 ppm to 35,000.0 ppm, featuring high sensitivity, accuracy, and good stability.
The TOC-800S is a compact instrument with main components installed on the host. Before measurement, the instrument requires gas line connection and reagent preparation. It is controlled by dedicated software running on an external computer for measurement, calibration, printing, and other data processing tasks.
Key Features
1300℃ catalytic NDIR, 0.05-35000mg/L
External PC & audit trail, GMP/21 CFR 11
Solid/auto sampler, 3-stage cond, 100g/L
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- Brand: LabNav
- Commodity name: Total Organic Carbon Analyzer
- Commodity ID: TOC-800S
- 产品卖点1: 1300℃ catalytic NDIR, 0.05-35000mg/L
- 产品卖点2: External PC & audit trail, GMP/21 CFR 11
- 产品卖点3: Solid/auto sampler, 3-stage cond, 100g/L
Product Details
10.4-inch observation window to
view instrument operating status
Windows operating system with
full audit trail function
Optional solid sampler; easily handles
detection of solid and particulate samples.
Optional autosamplers
(24 position / 30 position / 70 position / 81 position) save labor.
Working Principle
The sample is completely combusted at high temperature in the combustion furnace using a high-performance oxidation catalyst, decomposing it into carbon dioxide and water vapor. The water vapor is removed after cooling in a condenser, and the CO₂ is measured by a non-dispersive infrared (NDIR) detector to determine total carbon (TC) content. Separately, the inorganic carbon in the sample is decomposed into CO₂ and water vapor by an acid reagent; after condensation, CO₂ is measured by NDIR to determine total inorganic carbon (TIC) content. Total organic carbon (TOC) is then calculated as TOC = TC – TIC.
Measurement Modes
Mode Operating Principle TC mode Determines total carbon in the sample. The sample in the UV reactor is decomposed into CO₂ under the action of oxidant, acid reagent, and UV. TIC mode Determines inorganic carbon (carbonate and bicarbonate) in the sample. In the UV reactor, carbonate and bicarbonate are decomposed into
CO₂ by acid reagent.
TOC mode Determines organic carbon in the sample. TOC is measured by difference: TOC = TC – TIC. The sample sequentially measures TC and TIC;
The TOC obtained by difference includes both volatile and nonvolatile organic carbon.
NPOC mode Determines non-purgeable organic carbon in the sample. In the UV reactor, inorganic carbon is decomposed by acid reagent to CO₂ and
purged, while volatile organic compounds are also purged. The remaining organic carbon is then decomposed into CO₂ by oxidants,
acid reagents, and UV.
Standards
ISO 8245
China National Environmental Protection Standard HJ 501-2009
China National Metrological Verification Regulation JJG 821-2005Applications
Tap water, surface water, rivers, lakes
Domestic sewage, industrial wastewater
Chemical process water (cleaning water, cooling water, recycled water, etc.)
Laboratory research
Software DescriptionThe software meets GMP computerized system validation requirements:
Electronic Signature
Login via username and password, each unique.
Password length requirements enhance security.
The manual screen lock function ensures operational uniqueness and safety.
Access Control
Multi-level permission settings.
Administrators can assign different permissions to operators, ensuring personnel only have privileges commensurate with their job functions.
Data Integrity
The audit trail function is enabled and cannot be turned off.
All test results are saved and cannot be modified or deleted.
All operations (any user entry) are recorded.
If a test method is modified, the changed parameters are recorded.
Data can be exported and backed up to protect stored data for future retrieval.Features
Three-pass electronic condensation dehydration technology ensures system dehydration efficiency.
High-reflectivity gold-plated gas cell, a high-concentration infrared light source, and a high-sensitivity infrared detector guarantee excellent NDIR performance and sufficient sensitivity and accuracy for ppb-level measurements.
Real-time visible detection curve.
Multiple real-time self-monitoring for temperature, pressure, and flow rate.
Combustion furnace heating with multi-protection: automatically cuts off heating in case of overheating, improving product safety.
A built-in needle printer saves bench space.
Two-year data storage with convenient time-based queries.
Password protection.
Maximum furnace temperature is 1300 ℃ (far above 680 ℃), greatly improving oxidation efficiency, meeting detection requirements for almost all substances, and enhancing accuracy and stability.
Choice of catalysts (CeO, Pt, CuO) and adjustable temperature for flexible experimental conditions.
Automatic liquid sample injection saves labor and time; a precision electromagnetic metering pump ensures accuracy, stability, and continuous uniform injection, avoiding fluctuations due to individual operation differences; nonmanual injection reduces human contact with liquids, improving safety.
A heated inorganic carbon reactor eliminates peak tailing, shortening measurement time.
Optional solid sampler for boat injection of solid samples (soil, sludge, etc.); wide application range.
Optional online module for continuous monitoring.
Optional automatic sampler for unattended operation, saving labor and time.Specifications
Parameter Value Analysis method High-temperature catalytic oxidation – NDIR detection TOC detection range 0.050 – 35,000 mg/L Carrier gas High-purity oxygen (99.999%) Salt tolerance 100 g/L Analysis time 3–8 min Accuracy error ±5% Repeatability error ≤3% Ambient temperature 0–60℃ ± 5 ℃/D Relative humidity ≤90% Detectable items TC, IC, TOC, NPOC Injection volume 20–1000 μL Furnace temperature Up to 1300 ℃ Acid reagent Phosphoric acid solution TOC detection precision 0.001 mg/L Zero drift ±2%/D Span drift ±2%/D Power supply 220 ± 22 V AC, 50 ± 1 Hz Power 800 W Dimensions (W×D×H) 59.5 cm × 42.5 cm × 45.5 cm Weight 44 kg Ordering Information
Model Order No. Electrical Requirements Configuration Description TOC-800S 106001012 220 ± 22 V AC, 50 ± 1 Hz Standard: main unit, combustion furnace, NDIR detector, catalyst, external control software;
optional solid sampler/autosampler
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LabNav Technology (Shanghai) Co., Ltd.
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Unit 603B, 115 Shangyi Road, Minhang District, Shanghai, China
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