Chemical Analysis Instruments
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| Brand | Chu Ding |
|---|---|
| Origin | Shanghai, China |
| Model | UV1900PC / UV1901PC |
| Wavelength Range | 190–1100 nm |
| Light Source | Imported Tungsten Lamp & Deuterium Lamp |
| Optical System | Dual-Beam, 1200-line/mm Plane Grating |
| Wavelength Accuracy | ≤ ±0.3 nm |
| Wavelength Repeatability | ≤ 0.1 nm |
| Stray Light | ≤ 0.05 %T (at 220 nm, NaI solution) |
| Photometric Range | –3 to +3 A |
| Noise | ≤ 0.0003 Abs/h |
| Baseline Flatness | ≤ ±0.0005 A |
| Spectral Bandwidth | 2 nm (UV1900PC), 1 nm (UV1901PC) |
| Drift | ≤ ±0.0004 Abs/h |
| Photometric Accuracy | ±0.3 %T (0–100 %T) |
| Photometric Repeatability | 0.001 Abs (0–0.5 Abs) |
| Detector | Imported Silicon Photodiode |
| Power Supply | AC 220 V/50 Hz or AC 110 V/60 Hz |
| Dimensions | 658 × 468 × 264 mm |
| Weight | 30 kg |
| Key | Optical System: Czerny-Turner monochromator with 1200 lines/mm grating |
|---|---|
| Wavelength Range | 195–1020 nm |
| Spectral Bandwidth | 5 nm |
| Wavelength Accuracy | ±2 nm |
| Wavelength Repeatability | ±1.0 nm |
| Photometric Range | 0–199.0% T, 0–1.999 A, 0–1999 C |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ±0.3% T |
| Stray Light | ≤0.3% T at 220 nm |
| Baseline Stability | ±0.004 A/h at 500 nm (after 60-min warm-up) |
| Display | 4-digit LCD |
| Output Interface | RS-232C |
| Light Sources | 6 V / 10 W halogen lamp and deuterium lamp |
| Power Supply | 110–220 V AC, 50–60 Hz |
| Standard Cuvette Pathlength | 10 mm (100 mm optional) |
| Brand | Chu Ding |
|---|---|
| Origin | Shanghai, China |
| Model | UV755B |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±1 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Repeatability | 0.5 nm |
| Stray Light | ≤0.1%T at 220 nm and 360 nm |
| Photometric Accuracy | ±0.5%T |
| Photometric Repeatability | ±0.2%T |
| Baseline Stability | ±0.002 A/h at 500 nm |
| Measurement Modes | Transmittance (T), Absorbance (A), Concentration (C) |
| Display | 128 × 64 dot-matrix LCD |
| Sample Compartment | Accommodates cuvettes from 5 mm to 100 mm pathlength |
| Weight | 12 kg |
| Brand | Chu Ding |
|---|---|
| Origin | Shanghai, China |
| Model | UV756CRT |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.5 nm |
| Wavelength Repeatability | 0.2 nm |
| Spectral Bandwidth | 2 nm |
| Photometric Accuracy (Transmittance) | ±0.5% T |
| Photometric Repeatability (Transmittance) | 0.2% T |
| Transmittance Range | 0.0–125% T |
| Absorbance Range | −0.031 to 3.0 A |
| Concentration Display Range | 0–1999 |
| Stray Light | ≤0.05% T at 220 nm and 340 nm |
| Baseline Flatness | ±0.002 A (200–1000 nm) |
| Drift | ±0.001 A/h (at 500 nm, after 2 h warm-up) |
| Noise | ±0.001 A (at 500 nm, after 30 min warm-up) |
| RS232 Interface | Yes |
| Printer Support | Integrated |
| Software Compatibility | PC-based data acquisition and analysis software |
| Brand | Chu Ding |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | UV757CRT |
| Price | USD 3,600 (FOB Shanghai) |
| Wavelength Range | 200–1100 nm |
| Light Sources | Imported 12 V/20 W Tungsten-Halogen Lamp & Imported Deuterium Lamp |
| Detector | Imported Photocell |
| Spectral Bandwidth | 3 nm |
| Wavelength Accuracy | ±0.3 nm (auto-calibrated at startup) |
| Wavelength Repeatability | ≤0.2 nm |
| Stray Light | ≤0.15% T (at 220 nm and 340 nm) |
| Transmittance Range | 0.0–200.0% T |
| Absorbance Range | –0.301 to 4.000 A |
| Concentration Readout Range | 0000–9999 (arbitrary units) |
| Transmittance Accuracy | ±0.5% T (verified against NIST-traceable NBS 930D standard filter) |
| Transmittance Repeatability | ≤0.2% T |
| Noise | ≤0.5% T (100% T), ≤0.2% T (0% T) |
| Drift | ≤0.004 A / 30 min |
| Baseline Linearity | ±0.004 A |
| Power Supply | AC 220 V ±22 V, 50 Hz ±1 Hz |
| Dimensions | 520 × 410 × 200 mm (W × D × H) |
| Brand | Chu Ding |
|---|---|
| Model | UV762 |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ≤ ±0.3 nm (auto-calibrated at startup) |
| Wavelength Repeatability | ≤ 0.2 nm |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ≤ 0.2% T |
| Transmittance Range | 0–200% T |
| Absorbance Range | −0.301 to 3.000 A |
| Stray Light | ≤ 0.15% T (at 220 nm, measured with NaI) |
| Baseline Drift | ≤ 0.004 A/h (at 500 nm) |
| Noise | ≤ 0.15% T (100% line), ≤ 0.10% T (0% line) |
| Scan Speed Modes | Fast / Medium / Slow |
| Light Source | Automatically Switching Deuterium & Tungsten Lamps |
| Display | Large-Screen LED-Based Chinese GUI Interface |
| Data Processing | Multi-wavelength (1–3 λ), Kinetic Analysis, Polynomial Curve Fitting (1st–3rd order), Derivative Spectra (1st–4th order), Spectral Storage/Export/Print |
| Brand | Chuandi |
|---|---|
| Model | DDB-12B |
| Type | Portable Conductivity Meter |
| Measurement Parameter | Single-parameter (Conductivity) |
| Conductivity Range | 0–20 mS/cm |
| Resistivity Range | 0–1 MΩ |
| Salinity Range | 0.01–0.3 mol/L |
| Temperature Compensation Range | 5–40 °C |
| Accuracy | <1% FS |
| Minimum Resolution | 0.1 µS/cm |
| Electrode Constant Input | User-configurable (for automatic conductivity calculation) |
| Power Supply | Two AA (1.5 V) batteries |
| Operating Ambient | −10 to +60 °C, RH <90% |
| Dimensions | 135 × 65 × 24 mm |
| Weight | <0.16 kg |
| Linearity (Voltage vs. Conductance) | ≥98% |
| Compliance | Designed for field-deployable soil salinity and aqueous solution monitoring in accordance with standard electrochemical measurement practice |
| Brand | Chuandi |
|---|---|
| Model | FJA-6 |
| Measurement Principle | Polarization/Depolarization Potentiometry |
| ORP Range | ±1999.9 mV |
| Resolution | 0.1 mV |
| Accuracy | <10 mV |
| Input Impedance | >10¹⁰ Ω |
| Minimum Measurement Time | 2 min |
| Temperature Compensation | Automatic Ag/AgCl reference electrode potential lookup via integrated thermistor |
| Power Supply | Rechargeable 8.4 V Li-ion battery with protective charging circuit |
| Interface | USB for PC connectivity |
| Operating Modes | Standalone (field-deployable) or PC-synchronized |
| Data Output | Real-time depolarization curves (E vs. log t), automatic equilibrium potential calculation, CSV export |
| Compliance | Designed for ASTM D1129, ISO 10523, and USP <791> electrochemical measurement practices |
| Brand | Chuandi |
|---|---|
| Origin | Jiangsu, China |
| Instrument Type | Universal Potentiometric Titrator |
| Voltage Measurement Range | −1999.9 mV to +1999.9 mV |
| Voltage Resolution | 0.1 mV |
| Voltage Accuracy | ±0.025% of reading ±2 digits |
| Input Impedance | >10¹² Ω |
| Titration Precision | 0.01 mL |
| Minimum Dispensed Volume | 0.001 mL |
| Titration Error | <0.2% (using 0.1 mol/L HCl vs. 0.1 mol/L NaOH) |
| Communication Interface | RS-232 (USB-compatible via adapter) |
| Software Modules | 25 preconfigured titration & analytical methods (potentiometric, photometric, amperometric, coulometric, Karl Fischer water determination, acid-base, redox, complexometric, precipitation, pH-metric, and endpoint detection algorithms) |
| Brand | Chuandi |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | pHB-09B |
| Price | Upon Request |
| Measurement Range | pH 0–14 (0.01 resolution, ±0.02 pH ±1 digit) |
| ORP | ±1999 mV (0.1 mV resolution) |
| pX | Ion-selective electrode standard curve method |
| Temperature | 0–100 °C (operational limit: 60 °C |
| Input Impedance | ≥1 × 10¹² Ω |
| Power Supply | 3.7 V rechargeable Li-ion battery |
| Dimensions | 13.5 × 7 × 2.5 cm |
| Weight | 130 g |
| Brand | ChuDing |
|---|---|
| Origin | Shanghai, China |
| Model | UV1900 |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | 0.2 nm |
| Spectral Bandwidth | 2 nm |
| Stray Light | ≤0.05% T (at 220 nm, NaI solution) |
| Photometric Range | –3 to +3 A |
| Photometric Accuracy | ±0.3% T (0–100% T) |
| Photometric Repeatability | 0.001 Abs (0–0.5 Abs) |
| Baseline Flatness | ≤±0.0005 A |
| Noise | ≤0.0003 Abs/h |
| Drift | ≤±0.0004 Abs/h |
| Display | 5.1-inch 320×240 dot-matrix LCD |
| Power Supply | AC 220 V/50 Hz or AC 110 V/60 Hz |
| Brand | Chunhua |
|---|---|
| Origin | Shanghai, China |
| Model | ELSD-5000KS |
| Detection Principle | Evaporative Light Scattering (ELSD) + Diode Array Detection (DAD) |
| Gas Flow Range | 0–5 L/min |
| Nebulizer Pressure | 0–150 psi |
| Drift Tube Temperature | Ambient to 200 °C (±1 °C control accuracy) |
| Mobile Phase Flow Rate Compatibility | 0–200 mL/min |
| Light Source | Standard 650 nm laser + D₂/W lamp combination |
| Spectral Range | 200–800 nm (standard), optional 200–400 nm or 200–1100 nm |
| Wavelength Modes | Full-spectrum, multi-wavelength, dual-wavelength, single-wavelength |
| Fraction Capacity | 160 positions |
| Collection Mechanism | X-Y-Z three-axis robotic arm |
| Gas Supply | Compressed air or nitrogen |
| Software | ELSD-5000KS Preparative Chromatography Workstation |
| Compliance | Designed for GLP-compliant environments |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | CINDION-03 |
| Pricing | Available Upon Request |
| Brand | CIQTEK |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | Diamond II |
| Instrument Type | Pulsed |
| Magnetic Field Range | 50–550 Gauss |
| Microwave Frequency Range | 0.7–4 GHz |
| Microwave Power Output | 10 W |
| Brand | CIQTEK |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | EPR-W900 |
| Instrument Type | Continuous-Wave (CW) and Pulsed EPR |
| Frequency Band | W-Band (94 GHz) |
| Magnetic Field Range | Up to 6 T (with split-pair superconducting magnet) |
| Temperature Control Range | 0.4 K (vacuum cryostat with liquid helium) to 300 K |
| Pulse Channel Count | 12 (including ±X, ±Y, 4 control channels, 4 expandable channels) |
| Pulse Time Resolution | 0.05 ns |
| Maximum Pulses per Channel | 20,000 (with unlimited loop playback) |
| Solid-State RF Power Amplifier Output | 2 W |
| g-Factor Resolution | Enhanced due to high-field operation |
| Sample Volume Compatibility | Optimized for sub-microliter volumes via high filling factor resonator |
| Brand | CIQTEK |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Pulsed EPR |
| Sensitivity | 5×10⁹ spins/(G·√Hz) |
| Signal-to-Noise Ratio | S/N > 10,000:1 |
| Temperature Control Range | 4 K to Ambient Temperature |
| Pulse Acquisition Modes | Transient, Single-Point, Integrated |
| Pulse Channels | 12 (±X, ±Y, 4 control + 4 expandable), phase cycling supported |
| Pulse Time Resolution | 0.05 ns |
| Maximum Pulses per Channel | 20,000 (infinite loop playback supported) |
| Solid-State Power Amplifier Output | Up to 500 W |
| Brand | CIQTEK |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Continuous-Wave (CW) ESR/EPR Spectrometer |
| Model | EPR200-Plus |
| Microwave Frequency Band | X-band (~9.4 GHz) |
| Maximum Modulation Field Amplitude | 20 G |
| Microwave Bridge Output Power | 200 mW |
| Signal-to-Noise Ratio (SNR) | ≥3000:1 |
| Temperature Control Ranges | 4 K–300 K (dry cryogenic), 4.4 K–300 K (liquid helium), 100 K–600 K (liquid nitrogen), 300 K–800 K (high-temperature furnace) |
| Magnetic Field Homogeneity | ≤12 mG over 10 mm (Z) × 10 mm (X) × 22 mm (Y) volume |
| Modulation Frequency Range | 0.5–120 kHz |
| Scan Points | up to 256,000 |
| Sweep Speed | ≥1500 G/5 s |
| Receiver Gain | 0–106 dB |
| Power Stability | ≤1×10⁻⁶ |
| Spin Quantification | Absolute spin counting without reference standard |
| Field Zero-Crossing Scan Support | Yes |
| Brand | Clarete |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | AHSS-12 |
| Instrument Type | Static Headspace Sampler |
| Automation Level | Fully Automated |
| Sample Vial Heating Range | Ambient to 260 °C (1 °C increments) |
| Valve & Transfer Line Temperature Control Range | Ambient to 260 °C (1 °C increments) |
| Sample Loop Volume | Standard 2.5 mL (customizable to 5.0 mL) |
| Vial Capacity | 110 positions |
| Compatible Vial Sizes | 10 mL and 20 mL |
| Temperature Control Accuracy | <±0.1 °C |
| Repeatability | RSD ≤1.5% (ethanol in water) |
| Pressure Control Range | 0–0.4 MPa (continuously adjustable) |
| Heating Zones | Three independent zones (vial oven, valve, transfer line) |
| Microprocessor | 32-bit ARM-based high-precision temperature controller with 0.1 °C resolution |
| Brand | Clarete |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Type | GC Autosampler |
| Max Sample Capacity | 160 positions |
| Minimum Injection Volume | 0.1 µL |
| Optional Quantitative Loop Volumes | 1, 5, 10, 25, 50, 100, 250, 500 µL |
| Positioning Accuracy | ±0.1 mm |
| Sample Tray Drive Mechanism | Rotary Carousel |
| Needle Wash Mode | Internal & External Wall Rinse (Unlimited Cycles) |
| Repeat Injection Capability | Unlimited Sequential Injections |
| Brand | Clarete |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | AS-2912-16 |
| Instrument Type | Gas Chromatography Autosampler |
| Max Sample Capacity | 16 vials |
| Minimum Injection Volume | 0.1 µL |
| Selectable Loop Volumes | 1, 5, 10, 25, 50, 100, 250, 500 µL |
| Positioning Accuracy | 0.1 mm |
| Motion Mechanism | Rotary Carousel |
| Needle Wash Mode | Internal & External Wall Cleaning, User-Configurable |
| Repeat Injection Count | User-Defined, No Hard Limit |
| Brand | Clarete |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | AS-2920-20 |
| Instrument Type | Gas Chromatography Autosampler |
| Max Sample Capacity | 20 vials |
| Minimum Injection Volume | 0.1 µL |
| Standard Loop Volume | 10 µL (optional: 1, 5, 25, 100 µL) |
| Positioning Accuracy | 0.1 mm |
| Motion Mechanism | Rotary Carousel |
| Needle Wash | Internal & External Wall Rinse |
| Repeat Injection Capability | Unlimited |
| Brand | Clarete |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | AS-3901AF |
| Instrument Type | Gas Chromatography Autosampler |
| Maximum Injection Volume | 500 µL |
| Minimum Injection Volume | 0.1 µL |
| Optional Loop Volumes | 1, 5, 10, 25, 50, 100, 250, 500 µL |
| Positioning Accuracy | 0.1 mm |
| Motion Mechanism | Rotary Turret |
| Needle Wash | Internal & External Wall Cleaning, Unlimited Cycles |
| Repeat Injection Capability | Unlimited |
| Brand | Clarete |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Static Headspace Sampler |
| Automation Level | Fully Automated |
| Sample Vial Heating Range | Ambient to 200 °C |
| Injection Valve Temperature Control Range | Ambient to 200 °C |
| Temperature Control Accuracy | ±1 °C |
| Loop Volume | Standard 2.5 mL (optional 5 mL) |
| Vial Capacity | 20 positions |
| Vial Size | Standard 20 mL (optional 10 mL) |
| Liquid Injection Mode | 160-position tray for 2 mL vials |
| Minimum Liquid Injection Volume | 0.1 μL |
| Maximum Liquid Injection Volume | 500 μL |
| Liquid Injection Precision | RSD < 0.5% |
| Headspace Injection Precision | RSD < 2.0% (ethanol/water solution) |
| Simultaneous Heated Vials | Up to 7 |
| Balance Stirring Time | 0–120 min |
| Equilibration Time | 0–1440 min |
| Needle Wash & Delay Parameters | User-definable |
| Brand | Clarete |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | AS-3901ASF |
| Instrument Type | GC Autosampler |
| Max Injection Volume | 500 µL |
| Min Injection Volume | 0.1 µL |
| Quantitative Loop Volumes | 1, 5, 10, 25, 50, 100, 250, 500 µL (user-selectable) |
| Positioning Accuracy | < 0.3 mm |
| Motion Mechanism | Rotary Carousel |
| Needle Wash | Internal & External Wall Cleaning, Unlimited Cycles |
| Repeat Injection Capability | Unlimited |
| Brand | Clarete |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic |
| Model | AS-3902 |
| Instrument Type | Gas Chromatography Autosampler |
| Maximum Sample Capacity | 160 vials (2 mL) |
| Minimum Injection Volume | 0.1 µL |
| Quantitative Loop Volumes | 1, 5, 10, 25, 50, 100, 250, 500 µL (user-selectable) |
| Positioning Accuracy | 0.1 mm |
| Motion Mechanism | Rotary turret |
| Needle Wash | Internal & external wash, unlimited cycles |
| Repeat Injection Capability | Unlimited |
| Brand | Clarete |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Type | HPLC Autosampler |
| Max Injection Volume | 500 µL |
| Min Injection Volume | 0.1 µL |
| Standard Loop Volume | 20 µL (optional: 10, 50, 100, 500 µL) |
| Positioning Accuracy | <0.3 mm |
| Motion Mechanism | Rotary Carousel |
| Needle Wash | Internal & External Wall Cleaning, Unlimited Cycles |
| Repeat Injection Count | 1–99 |
| Brand | Clarete |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Two-Stage (Cryo-Focusing) Thermal Desorber |
| Automation Level | Fully Automated |
| Sample Capacity | 50 Positions |
| Primary Desorption Temp Range | 40–380 °C, ±1 °C accuracy |
| Secondary Desorption Temp Range | −35–400 °C |
| Valve & Transfer Line Temp Range | 50–240 °C (optional up to 330 °C), ±1 °C accuracy |
| Cryo-Focusing Capability | Yes |
| Flash Heating Rate | >50 °C/s |
| Enrichment Time | 0–60 min |
| Injection Time | 0–10 min |
| Simulated Sampling Time | 0–60 min |
| Simulated Flow Rate | 0–200 mL/min |
| RSD | ≤2.5% (benzene in 0.05 μg methanol) |
| Brand | Clarete |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | Preparatory Platform |
| Instrument Type | GC Autosampler |
| Max Sample Capacity | 8 samples per run |
| Minimum Injection Volume | 0.1 µL |
| Positioning Accuracy | <0.1 mm |
| Motion Mechanism | Robotic Arm |
| Needle Wash Cycles | Unlimited |
| Replicate Injections per Sequence | 1–99 times |
| Brand | Claretech |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | AS-4903 |
| Instrument Type | Multifunctional Autosampler |
| Max Sample Volume | 500 µL |
| Min Sample Volume | 0.1 µL |
| Loop Volume (Standard) | 20 µL |
| Loop Volume (Optional) | 10 µL, 50 µL, 100 µL, 500 µL |
| Positioning Accuracy | <0.1 mm |
| Motion Mechanism | Rotary Carousel |
| Needle Wash | Internal & External Wall Cleaning, Unlimited Cycles |
| Repeat Injection Count | 1–99 |
| Brand | Claretech |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM Manufacturer |
| Regional Classification | Domestic (China) |
| Model | AS-M125 |
| Instrument Type | Gas Chromatography Autosampler |
| Maximum Injection Volume | 2000 µL |
| Minimum Injection Volume | 100 µL |
| Loop Volumes | 2.5 mL (standard), 5 mL / 10 mL (optional) |
| Positioning Accuracy | < 0.3 mm |
| Motion Mechanism | Rotary Carousel |
| Needle Wash | Fully Automated, Unlimited Cycles |
| Repeat Injection Capability | Unlimited |