Sulfur Determinator
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| Brand | Aist / ST |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | DM1250 |
| Detection Principle | Energy-Dispersive X-Ray Fluorescence (EDXRF) |
| Measurement Target | SO₃ in solid/powder samples |
| Analysis Time | 30–60 s per sample |
| X-ray Tube | ≤10 kV, ≤0.5 mA, ≤5 W |
| Detector | Ultra-thin beryllium-window proportional counter |
| SO₃ Range | Adjustable via calibration |
| SO₃ Precision | σ ≤0.03 wt% (3σ) |
| Compliance | GB/T 176–2017, JC/T 1085–2008, JB/T 11145–2011 |
| Operating Temp | 5–40 °C |
| Humidity | ≤85% RH at 30 °C |
| Power | 220 V ±20 V, 50 Hz, ≤50 W |
| Dimensions | 470 × 365 × 130 mm (W×D×H) |
| Weight | 15 kg |
| Brand | GUOCHUANG |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | WKL-3000A |
| Detection Principle | Microcoulometric Titration (Oxidative Coulometry) |
| Sample Types | Liquid, Gas, Solid |
| Sulfur Range | 0.05–10,000 ppm (dilutable for high concentration |
| Bias Voltage Range | 0–500 mV |
| Temperature Control Range | Ambient to 1000 °C |
| Temperature Accuracy | ±1 °C |
| Power Supply | AC 220 V ± 22 V, 50 Hz ± 0.5 Hz |
| Power Consumption | 3.5 kW |
| Dimensions (L×W×H) | 860 × 440 × 380 mm |
| Weight | 46 kg |
| Compliance Standards | NB/SH/T 0253–2021, SH/T 0222, ASTM D3120–08, ASTM D3246–15, GB/T 11060.4–2017, GB/T 12688.6–1990, GB/T 11141–2014, GB/T 6324.4–2008, GB/T 3208–2009, SH/T 1147–2008, YB/T 5022–2016 |
| Relative Standard Deviation (RSD) | ≤2% (S > 100 ppm), ≤3% (10–100 ppm), ≤5% (1–10 ppm), ≤10% (0.2–1 ppm) |
| Carrier Gases | Technical-grade nitrogen and oxygen |
| Brand | Qilin (QL) |
|---|---|
| Model | QL-S3000D |
| Measurement Principle | Non-dispersive Infrared (NDIR) for C/S |
| Analysis Time | ~2 min per sample |
| Compliance | GB/T 223.3–5:1988, GB/T 223.68–69:1997 |
| Elemental Range (Typical) | C: 0.001–10.00 wt%, S: 0.0005–0.5000 wt%, Mn: 0.10–15.00 wt%, Si: 0.10–5.00 wt%, P: 0.005–0.80 wt%, Cr: 0.01–25.0 wt%, Ni: 0.010–30.0 wt%, Mo: 0.101–6.00 wt%, Ti: 0.01–1.00 wt%, Cu: 0.01–10.00 wt%, Al: 0.01–8.00 wt% |
| Calibration | 99 programmable calibration curves (regression-based), expandable |
| Data Output | PC-controlled interface, customizable export formats (CSV, TXT, XML), thermal desktop printer support |
| Brand | Senbe |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | Compass 4294 Plus |
| Pricing | Upon Request |
| Analytical Principle | Energy-Dispersive X-ray Fluorescence (EDXRF) |
| Detector | High-Resolution Peltier-Cooled Fast Silicon Drift Detector (FSDD), FWHM <130 eV (Mn Kα) |
| Max Input Count Rate | 500,000 cps |
| Vacuum Capability | Integrated Miniature Vacuum Pump |
| Measurement Time | 130–300 s (user-configurable) |
| Sample Forms | Liquids, Solids, Powders |
| Operating Temperature | −20 to 50 °C |
| Dimensions (L×W×H) | 270 × 320 × 230 mm |
| Sample Chamber Size | 170 × 110 × 17 mm |
| Weight | 10.5 kg |
| Display | 8-inch Touchscreen (1280 × 800), Windows 10 OS |
| Data Interfaces | USB, Bluetooth, Wi-Fi, GPS |
| Safety | Interlocked Radiation Shielding, Real-Time Dose Indicator |
| Calibration | Auto-startup Calibration, Factory-Preloaded Calibration Curves (Low-S: 0–100 ppm |
| High-S | 0.01–5 wt% |
| Cl | 0–100 ppm) |
| Compliance Standards | GB/T 17040–2008, GB/T 17060–1998, GB/T 380–1977, GB/T 17411–2015, SH/T 0253–1992, ASTM D4294, ISO 8754, ISO 20847, IP 336, ASTM D6445, IP 496, ASTM D7220 |
| Brand | Shanda |
|---|---|
| Origin | Shandong, China |
| Model | SD-CL9 |
| Measurement Principle | Coulometric Titration (per GB/T 214–2007) |
| Sample Types | Coal, Coke, Activated Carbon, Petroleum Coke |
| Temperature Control | Microprocessor-regulated High-Temperature Furnace (up to 1150 °C) |
| Electrolytic Cell | Integrated Dual-Platinum Electrode Cell |
| Display | 7-inch TFT LCD Touch Interface |
| Power Supply | AC (220 ± 22) V, 50 Hz |
| Max Power Consumption | ≤3 kW |
| Safety Features | Automatic Silicon Carbide Tube Protection, Overcurrent Protection, Real-time Temperature Compensation |
| Data Management | Non-volatile Memory Storage, USB Export, Print Support (via RS232 or USB thermal printer) |
| Compliance | Designed to meet requirements of GB/T 214–2007, ASTM D3177, ISO 4293, and supports GLP-compliant audit trails when paired with optional PC software |
| Brand | Trace Elemental Instruments |
|---|---|
| Origin | Netherlands |
| Model | XPLORER TX/TS |
| Detection Principle | Combustion Microcoulometry |
| Sample Types | Solids, Liquids, Gases, LPG |
| Measurement Range (S) | 0.0020–500 mg |
| Measurement Range (Cl) | 0.0025–1000 mg |
| LOD (S) | 0.020 mg/L |
| LOD (Cl) | 0.025 mg |
| Combustion Furnace Temperature | 1050 °C |
| Software | TEIS 2 Professional |
| Brand | Yuntang |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | YT-CSL |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Max. Power Consumption | ≤3 kW |
| Dimensions (L×W×H) | 770×460×410 mm |
| Sample Capacity | 1–15 samples per run (continuous loading enabled) |
| Sulfur Measurement Range | 0–40 wt% |
| Combustion Time per Sample | ~5–7 min (including 45 s at 500 °C and 4 min 45 s at 1050 °C) |
| Temperature Control Accuracy | ±5 °C |
| High-Temperature Zone | ≥90 mm length, stabilized at 1050 °C ±5 °C |
| Thermocouple Class | 0.5 |
| Electrolytic Cell Volume | 450 mL |
| Platinum Electrode Area | 150 mm² |
| Heating Rate | 20–25 °C/min (reaches 1050 °C in ~30 min) |
| Repeatability (St,ad) | ≤0.05% (St <1%), ≤0.10% (1%≤St≤4%), ≤0.20% (St >4%) |
| Reproducibility (St,d) | ≤0.10% (St <1%), ≤0.20% (1%≤St≤4%), ≤0.30% (St >4%) |
| Temperature Compensation | Automatic |
| Data Storage | Permanent digital archive with query & print capability |
| Multi-PC Data Sharing | Supported |
| Safety Protections | Silicon Carbide Tube Auto-Protection, Overcurrent Protection |
| Brand | Yuntang |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | YT-CSL· |
| Detection Principle | Coulometric Titration (ASTM D3177, ISO 351, GB/T 214-2007) |
| Sulfur Range | 0–40 wt% |
| Sample Capacity | 1–15 samples per batch (continuous loading enabled) |
| Analysis Time | ~5–7 min per sample |
| Furnace Temp Control | 1050 °C ±5 °C (adjustable), High-Temp Zone ≥90 mm |
| Heating Element | Silicon Carbide Tube |
| Electrolytic Cell Volume | 450 mL |
| Pt Electrode Area | 150 mm² |
| Temp Sensor Accuracy | Class 0.5 |
| Repeatability | ≤0.05% (St <1%), ≤0.10% (1%≤St≤4%), ≤0.20% (St>4%) |
| Reproducibility | ≤0.10% (St <1%), ≤0.20% (1%≤St≤4%), ≤0.30% (St>4%) |
| Power Supply | AC 220 V ±10%, 50 Hz, ≤3 kW |
| Dimensions (L×W×H) | 770×460×410 mm |
| Brand | Yuntang |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | YT-QLC |
| Detection Principle | Coulometric Titration |
| Sulfur Range | 0.01–100% |
| Resolution | 0.001% |
| Combustion Temperature | 1150 °C (coal/coke), 900 °C (petroleum) |
| Temperature Control Accuracy | ±2 °C |
| Sample Mass | 50±5 mg (coal/coke), 100±10 mg (petroleum) |
| Sample Capacity | 1–13 positions per batch, with online sample insertion capability |
| Analysis Time | ~4 min per sample |
| Compliance | GB/T 214–2007 |