Coulometer
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| Brand | LANTIAN |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | AOX-WK-3 Microcoulometric Halogen Analyzer |
| Detection Principle | Microcoulometric Titration after High-Temperature Combustion (900–1100 °C) |
| Applicable Standards | GB/T 34845–2017, GB/T 22904–2008, GB/T 35613–2017, GB/T 39084–2020, GB/T 35611–2017, GB/T 41533–2022 |
| Detection Target | Adsorbable Organic Halogens (AOX), expressed as Cl⁻ |
| Detection Limit | 2 mg/kg |
| Quantification Range | 0.5–5 mg/kg (Cl) |
| Precision | ±1 µg Cl |
| Repeatability | ≤10% RSD at ≤2 mg/L sample concentration |
| Combustion Temperature Control | 500–1100 °C, ±1 °C accuracy |
| Generator Current Range | ±2 mA |
| Amplifier Output Voltage | ±30 V |
| Bias Voltage Adjustment | 0–500 mV, continuously adjustable |
| Sample Introduction | 50 mg ±5 mg activated carbon cartridge |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Rated Power | 3000 W |
| Interface | RS-232 (DB9) |
| Software Platform | Windows-based proprietary AOX analysis suite with real-time parameter monitoring, data logging, audit trail, and report generation (PDF/CSV export) |
| Brand | LANTIAN |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | AOX-WK-S |
| Compliance Standard | HJ 1214–2021 (PRC National Ecological and Environmental Standard) |
| Generator Current Range | ±2 mA |
| Amplifier Output Voltage | ±30 V |
| Bias Voltage Adjustment Range | 0–500 mV (continuously adjustable) |
| Detection Limit | 0.007 µg/L (at 100 mL sample volume) |
| Measurement Range (as Cl) | 0.02–2 mg/kg |
| Accuracy | ±1 µg Cl |
| Repeatability | ≤10% RSD (for samples ≤2 mg/L) |
| Activated Carbon Dosage | 50 mg ±5 mg |
| Combustion Temperature Control Range | 500–1100 °C |
| Stability | ±1 °C |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Rated Power | 3000 W |
| Brand | LANTIAN |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | AOX-WK-S |
| Detection Principle | Microcoulometric Titration after High-Temperature Combustion |
| Compliance | HJ 1214–2021 (China National Standard) |
| Maximum Generator Current | ±2 mA |
| Amplifier Output Voltage | ±30 V |
| Bias Voltage Range | 0–500 mV (continuously adjustable) |
| Detection Limit | 0.007 µg/L (at 100 mL sample volume) |
| Optimal Measurement Range (as Cl) | 0.02–2 mg/kg |
| Precision | ≤10% RSD (for samples ≤2 mg/L) |
| Activated Carbon Loading | 50 mg ±5 mg |
| Combustion Temperature Range | 500–1100 °C (±1 °C accuracy) |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Rated Power | 3000 W |
| Brand | LANTIAN |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | AOX-WK-S |
| Compliance Standard | HJ 1214–2021 |
| Detection Principle | Microcoulometric Titration |
| Max Generator Current | ±2 mA |
| Amplifier Output Voltage | ±30 V |
| Bias Voltage Range | 0–500 mV (continuously adjustable) |
| Detection Limit | 0.007 mg/L (at 100 mL sample volume) |
| Optimal Measurement Range (as Cl) | 0.02–2 mg/kg |
| Accuracy | ≤10% relative deviation (at 1 µg Cl) |
| Repeatability | ≤10% RSD (for samples ≤2 mg/L) |
| Activated Carbon Dosage | 50 mg ±5 mg |
| Combustion Temperature Range | 500–1100 °C (±1 °C control accuracy) |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Rated Power | 3000 W |
| Brand | Xuxin Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | ST-1535C |
| Price Range | USD 700 – 7,000 |
| Principle | Microcoulometric Titration |
| Standards Compliance | GB/T 18612-2011, GB/T 22904, SY/T 7329-2016, Q/SH1020 2093-2016 |
| Bias Voltage Range | 0–500 mV (continuously adjustable) |
| Detection Method | Coulometric |
| Measurement Range | 0.1–10,000 mg/L Cl (dilutable for high concentration |
| Detection Limit | 0.1 mg/L (as Cl) |
| Sample Types | Liquid, solid, and gaseous (with compatible autosamplers) |
| Temperature Control Range | Ambient to 1100 °C |
| Temperature Control Accuracy | ±1 °C |
| Carrier Gases | Industrial-grade N₂ and O₂ |
| Operating Environment | 5–45 °C, 10–80% RH |
| Power Supply | 220 V ±10%, 50 Hz |
| Power Consumption | 2500 W |
| Precision (RSD) | ≤2% (at 100 mg/L, 5 µL injection), ≤3% (at 10 mg/L), ≤8% (at 1 mg/L), ≤20% (at 0.1 mg/L) |