UltimateChrom
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| Brand | UltimateChrom |
|---|---|
| Model | UC-3233 |
| Configuration | Modular Isocratic HPLC System |
| Pump Type | Dual-Piston Series High-Pressure Solvent Delivery |
| Flow Rate Range | 0.001–9.999 mL/min |
| Flow Accuracy | <0.4% RSD at 1 mL/min (deionized water, 25 °C) |
| Flow Precision | ≤0.1% RSD at 1 mL/min |
| Maximum Pressure | 40 MPa |
| Pressure Pulsation | <0.05 MPa |
| UV-Vis Detector Wavelength Range | 190–740 nm |
| Light Source | Deuterium Lamp |
| Wavelength Accuracy | ±1 nm |
| Spectral Scan Mode | Stop-Flow Auto-Scan |
| Baseline Noise | 2×10⁻⁵ AU (240 nm, 25 °C) |
| Baseline Drift | 15×10⁻⁵ AU/h (240 nm, 25 °C) |
| LOD | 5×10⁻⁹ g/mL (naphthalene, 254 nm, methanol mobile phase) |
| Control Interface | RS-232 |
| Display | 2×16 Character LCD (English) |
| Brand | UltimateChrom |
|---|---|
| Model | UC-3234 |
| Instrument Type | Conventional High-Performance Liquid Chromatograph |
| Flow Rate Range | 0.001–9.999 mL/min |
| Pump Architecture | Dual-plunger serial configuration with electronic pressure pulsation suppression |
| Flow Accuracy | <0.4% RSD at 1 mL/min (deionized water, 25 °C) |
| Flow Precision | 0.1% RSD at 1 mL/min (deionized water, 25 °C) |
| Maximum Operating Pressure | 40 MPa at 1 mL/min (deionized water, 25 °C) |
| Pressure Pulsation | <0.05 MPa peak-to-peak at 1 mL/min (deionized water, 25 °C) |
| Gradient Accuracy | ±1% |
| Wavelength Range | 190–740 nm |
| Light Source | Deuterium lamp |
| Wavelength Accuracy | ±1 nm |
| Spectral Scanning Mode | Stop-flow automated scan |
| Baseline Noise | 2×10⁻⁵ AU at 240 nm (25 °C, 1 s time constant) |
| Baseline Drift | 15×10⁻⁵ AU/h at 240 nm (25 °C) |
| LOD (Naphthalene) | 5×10⁻⁹ g/mL at 254 nm (methanol mobile phase, ambient temperature) |
| Control Interface | RS-232 for full bidirectional instrument control |
| Display | 2×16-character LCD with English interface |
| Brand | UltimateChrom |
|---|---|
| Model | UC-3235 |
| Instrument Type | Conventional High-Performance Liquid Chromatograph |
| Flow Rate Range | 0.001–9.999 mL/min |
| Pump Architecture | Dual-plunger serial configuration with electronic pressure pulsation suppression |
| Flow Accuracy | <0.4% RSD at 1 mL/min (deionized water, 25 °C) |
| Flow Precision | 0.1% RSD at 1 mL/min (deionized water, 25 °C) |
| Maximum Pressure | 40 MPa at 1 mL/min (deionized water, 25 °C) |
| Pressure Pulsation | <0.05 MPa peak-to-peak at 1 mL/min (deionized water, 25 °C) |
| Gradient Accuracy | ±1% |
| Wavelength Range | 190–740 nm |
| Light Source | Deuterium lamp |
| Wavelength Accuracy | ±1 nm |
| Spectral Scan Mode | Stop-flow automatic scan |
| Baseline Noise | 2×10⁻⁵ AU at 240 nm (25 °C) |
| Baseline Drift | 15×10⁻⁵ AU/h at 240 nm (25 °C) |
| LOD | 5×10⁻⁹ g/mL (naphthalene standard, methanol mobile phase, 254 nm, 25 °C) |
| Communication Interface | RS-232 for full bidirectional instrument control |
| Display | 2×16-character LCD with English interface |