Coulometer
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| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | KY-200 |
| Pricing | Available Upon Request |
| Principle | Microcoulometric Titration (ASTM D3227, ASTM D5808, SH/T 0253–1992, GB/T 11061–1997, SH/T 0222–1992) |
| Sample Types | Liquid, Solid, Gas (with optional injectors) |
| Detection Method | Coulometric Generation of Titrant (I₂ for S |
| Sulfur Range | 0.2–10,000 mg/L |
| Chlorine Range | 0.3–10,000 mg/L |
| Bias Voltage Range | 0–500 mV |
| Furnace Temperature Range | Ambient to 1000 °C |
| Temperature Control Accuracy | ±5 °C |
| Power Consumption | 1500 W |
| Dimensions (W×D×H) | 530 × 500 × 340 mm |
| Cooling | Air-cooled Cracking System with Auto-Controlled Fan |
| Compliance | SH/T 0253–1992, GB/T 11061–1997, SH/T 0222–1992 |
| Standard Configuration | KY-200 Liquid Analysis System + PC Workstation |
| Optional Accessories | Solid Sampler, Light/Heavy Quartz Cracking Tubes, Certified Reference Materials |
| Brand | Kyoyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-200 |
| Price Range | USD 2,800 – 7,000 |
| Measurement Principle | Microcoulometric Titration (Electrolytic Iodine Generation) |
| Sample Forms | Liquid, Solid, Gas (with optional injectors) |
| Analyte | Total Sulfur (S) |
| Detection Range | 0.1 mg/L – 10,000 mg/L |
| LOD (S) | 0.1 mg/L |
| Repeatability | As per SH/T 0253 (Cv ≤ 3% at >10 mg/L |
| Temperature Control | Ambient to 1100 °C, ±1 °C |
| Carrier Gases | Industrial-grade N₂ and O₂ |
| Cooling Method | Intelligent Fan-based Air Cooling |
| Power Rating | 1500 W |
| Compliance Standards | SH/T 0253, GB/T 11061.4, SH/T 0222, GB/T 3208, SH/T 1147 |
| Brand | Kyoyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-200 |
| Price | Upon Request |
| Principle | Microcoulometric Titration (ASTM D5808 / SH/T 0253 / GB/T 11061.4) |
| Sample Forms | Liquid, Solid, Gas (with optional injectors) |
| Detection Range | S: 0.1–10,000 mg/L |
| Cl | 0.2–10,000 mg/L |
| Detection Limit | S: 0.1 mg/L |
| Cl | 0.2 mg/L |
| Repeatability | As per ASTM/SH/GB standards (Cv ≤3% at >10 mg/L) |
| Temperature Control | Ambient to 1100 °C, ±1 °C |
| Power Requirement | 1500 W |
| Carrier Gases | Industrial-grade N₂ and O₂ |
| Cooling | Fan-cooled pyrolysis furnace with auto-start/stop logic |
| Brand | Kyoyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | KY-200 |
| Pricing | Upon Request |
| Standard Compliance | SH/T 0253–92, GB/T 11061–1997, SH/T 0222–1992 |
| Sample Types | Liquid, Solid, Gas (with optional injectors) |
| Analytical Method | Microcoulometric Titration |
| Bias Voltage Range | 0–500 mV |
| Measurement Range | S: 0.2–10,000 mg/L |
| Cl | 0.3–10,000 mg/L |
| Repeatability | ≤50% RSD for S ≤1.0 mg/L |
| Carrier Gases | Ambient-grade O₂ and N₂ |
| Furnace Temperature Range | Ambient to 1000 °C |
| Temperature Control Accuracy | ±5 °C |
| Power Consumption | 1500 W |
| Dimensions (W×D×H) | 530 × 500 × 340 mm |
| Brand | Kyoyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | KY-200CL |
| Price Range | USD 2,800 – 7,000 |
| Measurement Principle | Microcoulometric Titration (Silver Coulometric Detection) |
| Sample Forms | Solid, Liquid, Gas (with optional injectors) |
| Chlorine Range | 0.2 mg/L – 10,000 mg/L (dilution required above 5,000 mg/L) |
| Detection Limit | 0.2 mg/L (as Cl) |
| Precision | RSD ≤3% for [Cl] >10 mg/L |
| Temperature Control | Ambient to 1100 °C, ±1 °C |
| Power Requirement | 1500 W |
| Carrier Gases | Industrial-grade N₂ and O₂ |
| Cooling Method | Intelligent Fan-cooled Cracking System |
| Compliance Standards | GB/T 18612–2011, ASTM D5808–2009 |
| Brand | Kyoyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Model | WC-200 |
| Detection Method | Coulometric Titration (Electrolytic Silver Generation) |
| Measurement Range | 1 ppm – 1 wt% Cl |
| Detection Limit | 1 ppm |
| Precision | ≤1 ppm (for 1–10 ppm Cl) |
| Sample Types | Solid, Liquid, or Viscous Petroleum Samples (with compatible autosampler or quartz boat system) |
| Temperature Control Range | Ambient to 1100 °C |
| Temperature Stability | ±1 °C |
| Gas Requirements | Industrial-grade O₂ and N₂ |
| Cooling System | Intelligent Fan-based Air Cooling |
| Compliance Standard | RIPP 64-90 (Refined Petroleum Products — Determination of Total Chlorine Content by Microcoulometry) |
| Power Rating | 1.5 kW |
| 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 | MITSUBISHI CHEMICAL |
|---|---|
| Origin | Japan |
| Model | CA-200 |
| Measurement Principle | Coulometric Karl Fischer Titration |
| Detection Range | 10 µg – 100 mg H₂O |
| Accuracy | CV ≤ 0.3% for samples ≥ 1 mg H₂O (n = 10) |
| Electrolysis Current | 430 mA |
| Average Titration Speed | 2.2 mg H₂O/min (36 µg H₂O/sec) |
| Display | 5.7-inch color LCD |
| Data Storage | 20 user-defined methods × 50 sub-files each |
| Interface | RS-232C (optional), USB storage port, analytical balance input |
| Power Supply | AC 100–120 V / 230–240 V, 50/60 Hz |
| Host Dimensions & Weight | 220 × 350 × 360 mm, ~5 kg |
| Stirrer Dimensions & Weight | 120 × 180 × 148 mm, ~1 kg |
| VA-200 Sample Heater | Temp. Range 70–300 °C, N₂ carrier gas flow 0.1–0.5 L/min, max. sample mass 10 g, weight ~5.5 kg |
| Brand | Nittoseiko Analytech |
|---|---|
| Origin | Japan |
| Model | CA-310 |
| Measurement Principle | Coulometric Karl Fischer Titration |
| Detection Range | 5 µg – 999.9999 mg H₂O |
| Sensitivity | 0.1 µg H₂O |
| Accuracy | ±3 µg (for 10–1000 µg H₂O) |
| RSD | <0.3% (for >1 mg H₂O) |
| Electrolysis Current | 430 mA (516 mA in High-Speed Mode) |
| Titration Speed | 2.2 mg H₂O/min (36 µg H₂O/sec) |
| Display | 8.4-inch color LCD touchscreen |
| Max Channels | 4 (optional) |
| Data Integrity | GLP/GMP-compliant |
| Interface | 4× USB, 1× LAN |
| Operating Temperature | 15–40 °C |
| Humidity Limit | ≤85% RH (non-condensing) |
| Power Supply | AC 100–120 V / 80 VA or AC 230–240 V / 310 VA, 50/60 Hz |
| 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) |