Sulfide Analyzer
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| Brand | BBE / bbe Moldaenke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Online Analyzer |
| Model | BG00750002 |
| Communication Options | 4–20 mA output, RS232/RS485 serial interface, MODBUS RTU/TCP, TCP/IP (optional) |
| Automation Features | Fully automated analysis cycle, programmable measurement interval, auto-cleaning, auto-calibration (manual calibration supported), power-loss recovery with automatic restart |
| Brand | Dehoo Chuangrui |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | DH2606 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Sample Capacity | 6 positions |
| Heating Method | Water Bath |
| Temperature Control Accuracy | ±1 °C |
| Control Interface | 7-inch Touchscreen |
| Temperature Regulation | PID Auto-Control |
| Automatic Water Fill/Drain | Yes |
| Power Supply | AC 220 V, 50/60 Hz, 3000 W |
| Dimensions | 1200 mm × 550 mm × 720 mm |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W121 |
| Instrument Type | Portable |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Photometric Accuracy | ≤±5% |
| Repeatability | ≤±2% |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤±0.005 Abs/20 min |
| Detector System | Automatic Wavelength Positioning Optical Detection System |
| Display | 5-inch HD Color Touchscreen |
| Sample Format | 16 mm & 25 mm Cuvettes |
| Light Source | Imported Cold LED (Lifespan >100,000 h) |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Data Storage Capacity | 1,000,000 Measurements |
| Connectivity | USB Type-C (Charging & Data Transfer) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Readout Units | Concentration (mg/L) or Absorbance (Abs) |
| Housing Material | Corrosion-Resistant ABS |
| Brand | ECH |
|---|---|
| Origin | Germany |
| Type | Laboratory Analyzer |
| Model | Sulfimax GX |
| Measurement Range | 0.01–10,000 ppm H₂S |
| Detection Limit | 0.01 ppm |
| Resolution | 0.1 µg absolute |
| Analysis Time | 2–10 min (typical: 5 min) |
| Sample Volume | 0.01–20 mL |
| Gas Flow Rate | up to 50 L/h |
| Power Supply | 230 V/50 Hz or 115 V/60 Hz |
| Power Consumption | 150 W |
| Dimensions (W×D×H) | 480 × 390 × 290 mm |
| Weight | 11 kg |
| Data Interface | RS-232 / USB (with converter) |
| Software Control | PC-based (PC not included) |
| Brand | Gerhardt |
|---|---|
| Origin | Germany |
| Manufacturer | C. Gerhardt GmbH & Co. KG |
| Model | VAP 200 |
| Instrument Type | Laboratory Benchtop Distillation Unit |
| Water Consumption | ~5 L/min |
| Distillation Time | 2–4 min |
| Power Rating | 2200 W |
| Supply Frequency | 50/60 Hz |
| Dimensions (W×D×H) | 527 × 390 × 697 mm |
| Net Weight | 25 kg |
| Repeatability | ±1% |
| Detection Limit | 0.1 mg sulfide |
| Recovery Rate | ≥99.5% |
| Power Supply | 230 V AC |
| Compliance | EN ISO 9001 certified manufacturing |
| Brand | JTONE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | JT-DCY-4SL |
| Price Range | USD 140–850 (FOB) |
| Instrument Type | Laboratory Benchtop System |
| Sample Capacity | 4 simultaneous samples |
| Gas Flow Range | 0–3 L/min (per channel, independently adjustable) |
| Temperature Control Range | Ambient to 99.9 °C |
| Temperature Accuracy | ±1 °C |
| Heating Power | 1000 W |
| Display | Digital LED |
| Bath Drain Valve | Integrated quick-release |
| Lift Mechanism | Motorized vertical sample rack positioning |
| Construction | Mirror-finish 316 stainless steel |
| Compliance | Designed per GB/T 16489–1996 and HJ/T 60–2000 |
| Brand | Kechuang |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | HL-800 |
| Instrument Type | Laboratory Benchtop GC System |
| Detection Principle | Gas Chromatography–Flame Photometric Detection (GC-FPD) for Sulfur-Selective Quantification |
| Target Analytes | H₂S, Methanethiol (CH₃SH), Dimethyl Sulfide (DMS), Dimethyl Disulfide (DMDS) |
| Detection Range | 0.1–10 ppm (as sulfur) |
| Column Oven Temperature Program | 100 °C (1 min), then ramp at 5 °C/min to 240 °C |
| Typical Retention Times (H₂S, CH₃SH, DMS, DMDS) | 1.12–1.13 min, 2.72–2.73 min, 6.08–6.10 min, 16.58–16.60 min |
| Detector | Dual-Channel FPD with S-Mode optimization |
| Data Output | Peak Area, Peak Height, Retention Time, Calculated Concentration (ppm) |
| Compliance Framework | Designed for ASTM D5504, ISO 8573-5, and EPA Method 16, supporting GLP-compliant data integrity workflows |
| Brand | ZHUOCHI |
|---|---|
| Origin | Zhejiang, China |
| Model | SK3-2.5-13 Complete System |
| Type | Laboratory Benchtop Tube Furnace |
| Temperature Range | 100–1300 °C |
| Temperature Stability | ±1 °C |
| Display Resolution | 1 °C |
| Furnace Chamber Dimensions | φ22 mm × 380 mm |
| Heating Zone Length | 280 mm |
| Max Ramp Rate | ≤50 °C/min (adjustable) |
| Power Rating | 2.5 kW |
| Supply | 220 V, 50 Hz |
| Weight | ~22 kg |
| Control System | LTDE Programmable PID Controller with SSR Output, Dual-Stage Over-Temperature Protection |
| Thermal Insulation | High-Efficiency Ceramic Fiber Blanket |
| Heating Element | Oxidation-Resistant High-Temperature Resistance Wire |
| Thermocouple Type | S-Type (Platinum-Rhodium/Platinum) |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Model | SK3-2.5-13 |
| Type | Laboratory Benchtop Tube Furnace System |
| Temperature Range | 100–1300 °C |
| Temperature Uniformity | ±1 °C |
| Heating Zone Length | 280 mm |
| Tube ID Compatibility | φ22 mm |
| Max Ramp Rate | 50 °C/min (adjustable) |
| Power Rating | 2.5 kW |
| Supply | 220 V, 50 Hz |
| Weight | ~22 kg |
| Compliance | Designed for LYT 1255–1999 (Forestry Industry Standard of the People’s Republic of China: Determination of Total Sulfur in Soils by High-Temperature Combustion–Infrared Absorption Method) |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Type | Laboratory Benchtop Combustion-Based Total Sulfur Analyzer |
| Model | LYT 1255-1999 compliant SK3-2.5-13 |
| Temperature Range | 100–1300 °C |
| Temperature Stability | ±1 °C |
| Furnace Tube ID | φ22 mm |
| Heating Zone Length | 280 mm |
| Max Ramp Rate | ≤50 °C/min (adjustable) |
| Power | 2.5 kW |
| Voltage/Frequency | 220 V, 50 Hz |
| Weight | ~22 kg |
| Brand | Online Instrument |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | OL2070 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Pricing | Upon Request |
| Brand | Online Instrument |
|---|---|
| Origin | Shanghai, China |
| Model | OL2700N |
| Instrument Type | Laboratory Benchtop Analyzer |
| Sample Capacity | 45 positions |
| Distillation Stations | 8 |
| Automation Level | Fully Automated (sample transfer, reagent addition, calibration curve generation, mixing, colorimetric reaction timing, final volume adjustment, photometric measurement, post-run cleaning and waste disposal) |
| Data Management | Cloud-synced reporting with remote mobile access |
| Compliance Context | Designed for compliance with ISO 16392:2017 (Water quality — Determination of sulfide — Colorimetric method using methylene blue), EPA Method 376.1, and HJ 1226-2021 (Chinese Environmental Protection Standard for Sulfide in Water) |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | OPUS HS |
| Type | Online Analyzer |
| Optical Principle | UV Absorption Spectrophotometry (200–360 nm) |
| Light Source | Pulsed Xenon Lamp |
| Detector | 256-channel Miniature Spectrometer |
| Spectral Resolution | 0.8 nm/pixel |
| Optical Path Lengths | 0.3, 1, 2, 5, 10, 50 mm |
| Turbidity Compensation | Yes |
| Data Storage | 2 GB internal |
| Measurement Interval | ≥1 min |
| Output Interfaces | RS232 / RS485 |
| Power Consumption | ≤8 W |
| Housing Material | Stainless Steel or Titanium Alloy |
| Dimensions | Ø48 × 470 mm |
| Weight | 3 kg (stainless steel, 10 mm path) / 2 kg (titanium, 10 mm path) |
| Pressure Rating | 30 bar (SubConn connector), 3 bar (fixed cable), 1 bar (flow cell, 2–4 L/min) |
| IP Rating | IP68 |
| Operating Temperature (Sample) | 2–40 °C |
| Ambient Temperature | 2–40 °C |
| Storage Temperature | −20–80 °C |
| Compliance | Designed for continuous operation in wastewater, drinking water, and industrial effluent monitoring per ISO 7027 (turbidity), ASTM D515-18 (sulfide), and GLP/GMP-aligned data integrity practices |
| Brand | Saprete |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | HS-6A |
| Price Range | USD 7,000–10,000 (FOB) |
| Instrument Type | Laboratory Benchtop System |
| Sample Capacity | 6 positions |
| Flow Control | Motor-driven digital mass flow control (not manual rotameter) |
| Acid Addition | Programmable per-sample automated reagent injection |
| Operation Mode | Fully automated sequence-controlled workflow |
| Enclosure | Sealed vapor-tight chamber |
| Heating Method | Integrated water bath with PID temperature regulation |
| Interface | 7-inch capacitive touchscreen HMI |
| Brand | SENTE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ST201A1 |
| Instrument Type | Laboratory Benchtop System |
| Gas Flow Control | 6-channel linked rotameter (60–600 mL/min per channel, individually adjustable) |
| Heating Method | Constant-Temperature Water Bath |
| Temperature Range | 0–99 °C |
| Temperature Accuracy | ±1 °C (PID-controlled) |
| Power Rating | 2000 W |
| Safety Features | Leakage current protection |
| Automation Functions | Automatic acid addition, timed nitrogen purge, auto-fill/auto-drain water bath, real-time monitoring via integrated LCD touchscreen |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | CHYS-241 |
| Instrument Type | Laboratory-Grade |
| Measurement Range | 0.005–1.00 mg/L |
| Accuracy | ≤ ±5% FS |
| Repeatability | ≤ 3% RSD |
| Optical Stability | Drift < 0.002 A within 20 min |
| Dimensions (H×W×D) | 130 × 266 × 200 mm |
| Weight | < 1.0 kg |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤ 85% RH |
| Power Supply | AC 220 V ± 10%, 50 Hz ± 0.5 Hz |
| Light Source | High-brightness, long-life (100,000 h) monochromatic cold LED |
| Filter System | Narrow-band optical interference filter |
| Display | Backlit LCD with Chinese interface |
| Data Storage | Onboard memory for measurement records and user-defined calibration curves |
| Housing Material | Corrosion-resistant molded ABS polymer |
| Brand | Shenchanghong |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | CHYS-241 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Range | 0.01–1.00 mg/L |
| Minimum Resolution | 0.01 mg/L |
| Accuracy (Maximum Permissible Error) | ≤ ±5% |
| Repeatability (RSD) | ≤ 3% |
| Optical Stability | ≤ 0.002 A/20 min |
| Dimensions (W×D×H) | 266 mm × 200 mm × 130 mm |
| Power Consumption | 30 W |
| Weight | < 1 kg |
| Brand | Shenchanghong |
|---|---|
| Origin | Shenzhen, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | PCHYS-241 |
| Instrument Type | Portable |
| Measurement Range | 0.005–1.000 mg/L |
| Accuracy (Abs. Error) | ≤±5% |
| Repeatability | ≤3% |
| Optical Drift (20 min) | <0.002 A |
| Dimensions | 80 mm × 230 mm × 55 mm |
| Weight | 500 g |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤85% |
| Power Supply | 4 × AA batteries |
| IP Rating | IP65 |
| Data Storage | 20 calibration curves + 199 timestamped measurements (year/month/day/hour/minute/second, absorbance, transmittance, concentration) |
| Brand | ShengAohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Benchtop Analyzer |
| Model | 6B-50LHW |
| Measurement Range | 0–1 mg/L |
| Accuracy | ≤ ±5% |
| Repeatability | ≤ ±5% |
| Analysis Time | 1 minute per sample |
| Calibration Curves | 5 programmable and user-editable curves |
| Data Storage Capacity | 5,000,000 measurement records |
| Light Source | Cold LED with narrow-band interference filter (rated lifetime: 100,000 hours) |
| Display | Large-backlit LCD with Chinese graphical menu interface |
| Brand | Shengaohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SH-604(V11) |
| Instrument Type | Laboratory Benchtop System |
| Display | 7-inch Color Touchscreen (Chinese UI) |
| Bath Material | Food-Grade 304 Stainless Steel |
| Temperature Range | Ambient to 99.9 °C |
| Temperature Control Accuracy | ±1 °C |
| Heating Power | 1000 W |
| Heating Method | Constant-Temperature Water Bath |
| Power Supply | AC (220 ± 22) V, 50 Hz |
| N₂ Inlet Pressure | 0.1 MPa |
| Individual Channel Flow Range | 0–0.6 L/min (Rotameter) |
| Total Flow Range | 0–3 L/min (Rotameter) |
| Brand | Tongtai Lian (TTL) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | TTL-6HS |
| Instrument Type | Laboratory Benchtop System |
| Compliance | Designed per HJ 1226–2021 (PRC National Ecological and Environmental Standard) |
| Construction Materials | 316 Stainless Steel Frame + PTFE-Coated Components |
| Heating Method | Integrated Constant-Temperature Water Bath |
| Sample Capacity | 6 Independent Reaction Vessels |
| Gas Control | Individual Mass Flow Regulation per Channel (N₂) |
| Vertical Travel Range | 100 ± 2 mm |
| Sample Rack | Rotatable Circular Platform with Radial Mounting |
| Drainage | Stainless Steel Ball Valve |
| Electrical Isolation | Separated Water Bath and Control Unit Architecture |
| Corrosion Resistance | Certified for HCl, H₂SO₄, and NaOH Exposure (pH 1–14, ≤80 °C) |
| Brand | Tongtailian (TTL) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TTL-6SS |
| Instrument Type | Laboratory Benchtop System |
| Price Range | USD 2,800 – 7,000 (FOB China) |
| Brand | TTL |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | TTL-HS |
| Instrument Type | Laboratory Benchtop System |
| Sample Capacity | 4 positions |
| Heating Method | Constant-Temperature Water Bath (Uniform Thermal Distribution) |
| Heating Power | 1000 W |
| Display | Digital LED Interface |
| Compliance Standard | HJ 1226–2021 (PRC National Ecological and Environmental Standard) |
| Brand | TTL |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | TTL-QZS |
| Instrument Type | Laboratory Benchtop System |
| Price Range | USD 7,000 – 14,000 (FOB Beijing) |
| Certifications | Chinese Utility Model Patent ZL202221875739.3 |
| Brand | TTL |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TTL-QHS |
| Price Range | USD 7,000 – 14,000 |
| Sample Capacity | 6 positions |
| Heating Method | PID-controlled recirculating water bath |
| Temperature Range | Ambient to 99 °C |
| Temperature Accuracy | ±1 °C |
| Nitrogen Flow Range | 60–800 mL/min per sample |
| Total Mass Flow Range | 0–10 L/min |
| Reaction Vessel | 500 mL × 6 |
| Absorption Vial | 100 mL × 6 |
| Display | 7-inch color touchscreen with graphical interface |
| Power Rating | 1000 W |
| Dimensions (W×D×H) | 1110 × 500 × 800 mm |
| Brand | UIC (USA) |
|---|---|
| Origin | USA |
| Model | CM350 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Coulometric Titration (Faraday-based SO₂/H₂S Detection) |
| Dynamic Range | 1 µg – 10,000 µg S per sample |
| Detection Limit | ~1 µg S (absolute) |
| Linear Range | 0.2% RSD or better for certified standards |
| Sample Forms | Solids (0.5 mg – 10 g) and Liquids |
| Total Analysis Time | 5–7 min (combustion mode) |
| Combustion Temperature | Up to 1100 °C (dual-zone furnace) |
| Acid Digestion | Modified Monier-Williams method with programmable heating & gas purging |
| Data Storage | Internal memory + 3.5″ floppy disk (CM5014S unit) |
| Compliance Support | ASTM D3120, D3246, D5453 |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Laboratory Benchtop Furnace |
| Model | SK3-2.5-13 |
| Temperature Range | 100–1300 °C |
| Temperature Uniformity | ±1 °C |
| Heating Rate | Adjustable up to 50 °C/min |
| Furnace Chamber | φ22 × 380 mm |
| Heating Zone Length | 280 mm |
| Power Rating | 2.5 kW |
| Supply Voltage | 220 V, 50 Hz |
| Weight | ~22 kg |
| Compliance Standard | LYT 1255–1999 (Determination of Total Sulfur in Forest Soils) |
| Brand | Zhuochi |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Laboratory Benchtop Combustion Furnace |
| Model | SK3-2.5-13-4 |
| Temperature Range | 100–1300 °C |
| Temperature Stability | ±1 °C |
| Display Resolution | 1 °C |
| Furnace Tube ID | φ22 mm |
| Heating Zone Length | 280 mm |
| Max. Ramp Rate | ≤50 °C/min (adjustable) |
| Power Rating | 2.5 kW |
| Supply Voltage | 220 V, 50 Hz |
| Net Weight | ~22 kg |