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| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | KY-4S |
| Price | Upon Request |
| Standard Compliance | GB/T 1792–1988 |
| Sample Form | Liquid |
| Measurement Range | ≥3 µg/g |
| Titration Method | Potentiometric Titration |
| Minimum Dispensed Volume | 0.01 mL |
| Potential Measurement Range | ±1999.5 mV |
| Burette Accuracy | ±0.1% F·S |
| Electronic Unit Basic Error | ±0.1% of full scale + 0.5 mV |
| Relative Error | ≤5% |
| Control Platform | Windows-based PC Interface |
| Electrode Input | Dual High-Impedance Input |
| Endpoint Detection | Automatic Potential Inflection Point Recognition |
| Fluid Handling | Automated Reagent Refill and Fixed-Volume Dispensing |
| Brand | Kyoyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | KY-4 |
| Pricing | Upon Request |
| Measurement Principle | Microcoulometric Titration |
| Sample Form | Liquid |
| Method Standard | SH/T 0630-1996, SH/T 1551-2018, GB/T 11136-1989(2004), SH/T 1767-2008(2015), GB/T 1815-1997, ASTM D1492 |
| Bromine Number Range | 0–300 g Br/100 g sample |
| Bromine Index Range | 1–1000 mg Br/100 g sample |
| Accuracy | ±3% ±0.2 g Br (bromine number) |
| Detection Limit | 1 mg Br |
| Resolution | 0.01 mg Br |
| Bias Voltage Range | 0–500 mV |
| Dimensions | 280 × 280 × 160 mm |
| Power Consumption | 150 W |
| Interface | USB |
| Electrolyte | Benzene-free |
| Sample Volume | <10 mL (typical) |
| Analysis Time | ~60 seconds per sample |
| Endpoint Detection | Potentiometric |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-4 D |
| Pricing | Available Upon Request |
| Standard Compliance | GB/T 1792–1988 |
| Sample Form | Liquid |
| Measurement Range | ≥3 µg/g |
| Titration Method | Potentiometric Titration |
| Minimum Titration Volume | 0.01 mL |
| Potential Measurement Range | –1999.5 to +1999.5 mV |
| Burette Accuracy | ±0.1% F·S |
| Electrode Potential Resolution | 0.1 mV |
| Basic Error of Potential Unit | ±0.5 mV or ±0.1% of full scale |
| Relative Standard Deviation (RSD) | ≤5% |
| Brand | Kyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-200 CL |
| Pricing | Available Upon Request |
| Measurement Principle | Microcoulometric Titration (ASTM D5808 / SH/T 0253 / GB/T 11061.4 Compliant) |
| Analyte 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 | CV ≤3% (S >10 mg/L), ±0.1 mg/L (0.5–1.0 mg/L S), CV ≤8% (1–10 mg/L S) |
| Temperature Control | Ambient to 1100 °C (±1 °C) |
| Power Consumption | 1500 W |
| Gas Requirements | Industrial-grade N₂ and O₂ |
| Sample Forms | Liquid, Solid, Gas (with optional dedicated injectors) |
| Brand | Kyoyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | KY-214A |
| Price | Upon Request |
| Sulfur Range | 0.01–60 wt% |
| Resolution | 0.01 wt% |
| Max Sample Capacity | 24 positions |
| Avg. Analysis Time | ~5 min per sample |
| Furnace Ramp Time | 15–25 min (from ambient to setpoint) |
| Temperature Range | 700–1300 °C (user-selectable) |
| Temp. Control Accuracy | ±2.5 °C |
| Sample Mass Range | 10–999.9 mg |
| Automatic Powder Dispensing | 300 cycles per reagent box |
| Power Supply | 220 V ±20 V, 50 Hz |
| Max Instantaneous Power (Furnace) | ≤3.5 kW |
| Repeatability (St ≤1.5%) | <0.05 wt% |
| Reproducibility (St ≤1.5%) | <0.10 wt% |
| Compliance | Fully conforms to GB/T 214–2007 for total sulfur determination in coal by coulometric titration |
| Brand | Kyoyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Regional Classification | Domestic (China) |
| Model | KY-200 |
| Pricing | 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 | 0.1–10,000 mg/L |
| LOD | 0.1 mg/L (S and Cl) |
| Repeatability | CV ≤3% for [S] >10 mg/L |
| Temperature Control | Ambient to 1100 °C, ±1 °C |
| Carrier Gases | Industrial-grade N₂ and O₂ |
| Cooling | Fan-cooled pyrolysis furnace (auto-start/stop) |
| Compliance | ASTM D5808, SH/T 0253, GB/T 11061.4, SH/T 0222, GB/T 3208, GB/T 18612 |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-210A |
| Price | Upon Request |
| Measurement Range | Cl: 0.2–10,000 mg/L |
| Detection Limit | 0.1 mg/L |
| Repeatability | ≤15% (x ≤ 0.5 mg/L), ≤10% (0.5 < x ≤ 1.0 mg/L), ≤8% (1.0 < x ≤ 10 mg/L), ≤3% (x > 10 mg/L) |
| Electrolytic Cell Stability | >8 h |
| Temperature Control Range | Ambient to 1100 °C |
| Temperature Control Accuracy | ±1 °C |
| Analysis Time | 1 min per sample |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | KY-200 |
| Pricing | Available Upon Request |
| Measurement Principle | Microcoulometric Titration (ASTM D5808 / SH/T 0253 / GB/T 11061.4) |
| Analyte Forms | Total Sulfur (as SO₂), Total Chlorine (as HCl) |
| Sample Types | Liquid, Solid, Gas (with optional injectors) |
| Detection Range | 0.1–10,000 mg/L for both S and Cl |
| LOD | 0.1 mg/L (S and Cl) |
| Repeatability | CV ≤ 3% (x > 10 mg/L) |
| Temperature Control | Ambient to 1100 °C, ±1 °C accuracy |
| Carrier Gases | Industrial-grade N₂ and O₂ |
| Cooling | Intelligent Fan-based Air Cooling |
| Power Requirement | 1500 W |
| Compliance Standards | SH/T 0253, GB/T 11061.4, SH/T 0222, GB/T 3208, GB/T 18612, ASTM D5808 |
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