Kyuyuan Instruments
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| Brand | Kyuyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | KY-3000NS |
| Detection Principle | UV Fluorescence (S), Chemiluminescence (N) |
| Portability | Benchtop (Non-portable) |
| Analyte Types | Total Sulfur and Total Nitrogen |
| Measurement Range | 0.1–100,000 mg/L |
| Analysis Time | <10 min |
| LOD | 0.1 mg/L (N), 0.2 mg/L (S) |
| Accuracy | ±0.2 mg/L (at ≤1.0 mg/L) |
| Repeatability | CV ≤10% (1–100 mg/L), CV ≤5% (100–10,000 mg/L) |
| Furnace Temperature Range | Ambient to 1300 °C |
| Temperature Control Precision | ±1 °C |
| Power Supply | AC 220 V ±10%, 50 Hz, 1500 W |
| Gas Requirements | Argon ≥99.98%, Oxygen ≥99.98% |
| Brand | Kyuyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Region Category | Domestic (China) |
| Model | KY-403B |
| Pricing | Available Upon Request |
| Sample Type | Liquid |
| Sulfur Alcohol (Mercaptan Sulfur) Measurement Range | 0.0001–0.01 % (m/m) |
| Titration Method | Potentiometric Titration |
| Burette Volume | 10 mL |
| Minimum Dispensing Volume | 0.01 mL |
| Potential Measurement Range | −1999.5 to +1999.5 mV |
| Burette Accuracy | ±0.1 % of Full Scale |
| Electronic Unit Basic Error | ±0.1 % of full scale reading + 0.5 mV |
| Relative Error | ≤5 % |
| Input Impedance | ≥1 × 10¹² Ω |
| Compliance Standard | JJG 814–2015 Verification Regulation for Automated Potentiometric Titrators |
| Brand | Kyuyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | KY-4As |
| Pricing | Available Upon Request |
| Measurement Principle | Microcoulometric Titration |
| Sample Form | Liquid |
| Detection Method | Hydride Generation–Microcoulometric Detection |
| Bias Voltage Range | 0–500 mV |
| Measurement Range | 1 × 10⁻⁹ % (1 ppb) to % (w/w) |
| Input Impedance | ≥10⁶ Ω |
| Output Voltage | ±24 V |
| Baseline Drift | ≤5 µV / 20 min |
| Temperature Control Accuracy | ±0.5% or ±5 °C (whichever is greater) |
| Analysis Time (excluding sample prep) | 5–10 min |
| Sensitivity | 1 ppb (as As) |
| Operating Humidity | <80% RH |
| Operating Temperature | 10–40 °C |