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| Brand | Anjie |
|---|---|
| Origin | Shanghai, China |
| Model | AJ5700 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Rapid Digestion with Potassium Dichromate (Cr(VI)) Oxidation |
| Measurement Range | 0–700 mg/L COD<sub>cr</sub> |
| Accuracy | ≤5% (vs. certified reference materials) |
| Repeatability | RSD ≤2.0% |
| Cycle Time | <15 min per sample |
| Sample Capacity | ≥30 positions |
| Digestion Stations | ≥30 |
| Titration Stations | ≥2 |
| Reagent Dispensing Precision | ±0.2% |
| Safety Design | Negative-pressure enclosed chamber with fume containment |
| Waste Handling | Integrated废液 collection with overflow alarm |
| Connectivity | TCP/IP & Wi-Fi |
| Data Export Formats | PDF, Word, Excel, CSV, RTF, HTML |
| Brand | ANJIE |
|---|---|
| Origin | Shanghai, China |
| Model | AJ-3700 |
| Wavelength Accuracy | ±0.2 nm |
| Wavelength Repeatability | 0.1 nm |
| Baseline Noise | ±0.0002 Abs |
| Baseline Drift | ±0.0005 Abs (30 min) |
| Linearity (r) | >0.9995 |
| Detection Limits | NH₃-N: 0.005 mg/L |
| Total N | 0.02 mg/L |
| S²⁻ | 0.005 mg/L |
| NO₂⁻-N | 0.003 mg/L |
| NO₃⁻-N | 0.006 mg/L |
| Kjeldahl N | 0.02 mg/L |
| Quantification Ranges | NH₃-N: 0.02–80 mg/L |
| Total N | 0.1–160 mg/L |
| S²⁻ | 0.02–200 mg/L |
| NO₂⁻-N | 0.012–200 mg/L |
| NO₃⁻-N | 0.03–160 mg/L |
| Kjeldahl N | 0.08–80 mg/L |
| Precision | 0.5–1.0% RSD (at specified concentrations) |
| Measurement Time | 100–280 s (including online digestion for total nitrogen) |
| Brand | ANJIE |
|---|---|
| Model | APA-500 |
| Origin | Shanghai, China |
| Sample Capacity | 48 positions |
| Water Bath Capacity | 8 positions |
| Sample Volume | 100 mL |
| Measurement Range | 0–5.0 mg/L |
| Repeatability | RSD ≤ 2.0% |
| Detection Limit | < 0.07 mg/L |
| Titration Resolution | 1 µL |
| Analysis Time | < 4 min per sample |
| Constant-Temperature Titration Temperature Range | 40–100 °C |
| Temperature Control Accuracy | ±0.1 °C |
| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | AF3000 |
| Instrument Type | Multi-channel Atomic Fluorescence Spectrometer |
| Sample Introduction | Peristaltic Pump |
| Detectable Elements | As, Sb, Bi, Se, Te, Pb, Sn, Hg, Cd, Ge, Zn, Au, Ag, Co, Cu, Ni (16 elements) |
| Relative Standard Deviation (RSD) | < 0.7% |
| Linear Dynamic Range | > 3 orders of magnitude |
| Detection Limits | As, Sb, Bi, Se, Te, Pb, Sn < 0.01 µg/L |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | CR3200 |
| Digestion Method | Rapid Thermal Digestion |
| Heating Module | Single Aluminum Block |
| Batch Capacity | 24 × 16 mm Reaction Tubes |
| Temperature Range | Adjustable from Ambient to 170 °C in 1 °C Increments |
| Temperature Accuracy | ±1 °C ±1 Digit |
| Power Supply | 230 VAC 50 Hz ±15% / 115 VAC 60 Hz ±15% |
| Max. Power Consumption | 560 W |
| Safety Compliance | DIN VDE 0700 Part 1 (11/90), CE, cETLus, GS |
| Dimensions (W×D×H) | 256 × 185 × 315 mm |
| Weight | Approx. 3.6 kg |
| Interface | RS232 Serial Port + 2 Banana Sockets (for TFK/AK CR/P or CR/PC Sensors) |
| Predefined Programs | 8 Fixed + 8 User-Defined (0–180 min, Ambient–170 °C) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Type | Ion-Selective Electrode (ISE) |
| Series | 500 (Half-Cell) and 800 (All-in-One Composite) |
| Connector Options | BNC or DIN |
| Measurement Range | Ion-specific, spanning from sub-ppb to saturated concentrations (e.g., F⁻: 0.02 mg/L to saturation |
| NH₄⁺ | 0.02–900 mg/L |
| NO₃⁻ | 0.4–62,000 mg/L) |
| Compliance | Designed for ASTM D1293, ISO 10523, USP <781>, and EPA Method 9056A applications |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Nicolet™ iS50 FTIR |
| Instrument Type | Benchtop Laboratory FTIR Spectrometer |
| Instrument Category | Fourier Transform Infrared Spectrometer |
| Dimensions (Base Only) | 62.6 × 69.8 × 27.6 cm |
| Weight (Base Only) | 60 kg |
| Dimensions (with ABX) | 62.6 × 69.8 × 50.8 cm |
| Weight (with ABX) | 64 kg |
| Optical Path | Fully Gold-Coated Optics (Aluminum Coating Optional) |
| Light Sources | Dual-source Configuration (Polaris™ Long-Life IR Source + Tungsten-Halogen Visible/NIR Source) |
| Detectors | Three Detector Ports in Main Sample Compartment |
| Standard Features | Automated Attenuator Wheel, Smart Accessories Compatibility, Built-in Calibration Wheel, Parallel & Focused Beam Output Ports |
| Optional Modules | Integrated Mid- and Far-IR Diamond ATR, Automatic Beamsplitter Exchange (ABX), Raman Module, NIR Module with Integrating Sphere & Fiber Optics, TGA-IR Interface, GC-IR Interface |
| Software Platform | OMNIC Spectroscopy Suite with OMNIC Anywhere Cloud Integration |
| Data Security | AWS-Hosted Thermo Fisher Connect Platform |
| Compliance | Supports 21 CFR Part 11–compliant audit trails (via OMNIC Enterprise), GLP/GMP-ready workflows |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TetraCon® 700 IQ |
| Measurement Principle | Four-Electrode Conductivity |
| Conductivity Range | 10 µS/cm to 500 mS/cm (up to 1000 mS/cm for SW variant) |
| Resolution | 0.01 µS/cm |
| Salinity Range | 0–70 PSU |
| TDS Range | 0–2000 mg/L |
| Response Time (t₉₀) | <60 s |
| Electrode Constant | Adjustable 0.826–1.008 cm⁻¹ (default K = 0.917 cm⁻¹ in free solution |
| Temperature Compensation | Integrated, -5 °C to +60 °C |
| Max. Pressure Rating | 10 bar (20 °C) |
| Accuracy | ±2% of reading (conductivity), ±0.1–0.2 PSU (salinity, depending on temperature range) |
| Brand | LeiCi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | PXBJ-286F |
| Price | USD 650 (FOB) |
| Sample Introduction Modes | Direct Sampling, Dynamic Headspace Sampling, Field Sampling |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model Series | PXSJ-227L, PXSJ-226T, PXSJ-216F, PXSJ-270F |
| Sample Introduction | Direct immersion |
| Category | Ion Meters (Potentiometric Ion-Selective Electrode Analyzers) |
| Brand | Polymetron |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 8350SC |
| Price | Upon Request |
| pH Measurement Range | 0–14 |
| Accuracy | ±0.05 pH |
| Temperature Compensation Range | up to 110 °C |
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