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| Brand | GRACE |
|---|---|
| Origin | Germany |
| Model | RI 2000 |
| Detection Principle | Differential Refractometry |
| Refractive Index Range | 1.00–1.75 |
| Flow Rate Range | 0.2–3.0 mL/min |
| Linear Range | 80 × 10⁻⁵ RIU |
| Noise Level | 5 × 10⁻¹⁰ RIU |
| Auto-Zero Range | 40 × 10⁻⁵ RIU |
| Auto-Zero Resolution | 5 × 10⁻¹⁰ RIU |
| Integrator Output | ±1 V |
| Recorder Output | ±10 V |
| Analog Input Range | −5 to +5 V DC |
| Temperature Setpoints | Ambient, 35 °C, or 55 °C (microprocessor-controlled) |
| Flow Cell Volume | 9 µL |
| Maximum Flow Cell Pressure | 6 kg/cm² |
| Brand | Laballiance |
|---|---|
| Origin | USA |
| Model | 305 |
| Optical Design | Dual monochromator with concave holographic diffraction gratings |
| Excitation/Emission Wavelength Range | 200–600 nm (Ex & Em) |
| Wavelength Accuracy | ±2 nm @ 248 nm Ex / 398 nm Em |
| Wavelength Precision | <0.5 nm |
| Spectral Bandwidth Options | 8, 20, or 30 nm |
| Light Source | Pulsed xenon lamp (20 Hz or 100 Hz selectable) |
| Flow Cell | Biocompatible quartz/Teflon/Kalrez/PEEK, 8 µL detection volume, max pressure 200 psi (14 bar) |
| Sensitivity | 2 µg/L anthracene in methanol, S/N > 1500 @ 284 nm Ex / 398 nm Em |
| Scan Speed | Up to 100 steps/sec |
| step resolution | 2, 4, 8, 16, or 32 nm |
| Stored Spectra Capacity | Up to 60 emission spectra |
| Dynamic Range | 0.01–500 FUFS (Fluorescence Units Full Scale) with 15 programmable gain levels |
| Analog Output | 20-bit D/A converter, full-scale range adjustable |
| Detection Modes | Fluorescence, phosphorescence, chemiluminescence |
| Method Storage | 4 user-defined method files, each supporting up to 10 time-programmed wavelength transitions, with inter-file linking capability |
| Operating Environment | 10–40 °C, 5–95% RH (non-condensing) |
| Dimensions & Weight | 7" H × 12" W × 16" D, 24 lbs (11 kg) |
| Power Supply | 220 VAC, 50/60 Hz, max 2 A |
| Brand | Laballiance |
|---|---|
| Origin | USA |
| Model | 6000 |
| Wavelength Range | 190–800 nm |
| Optical Path Length | 5 cm |
| Flow Cell Volume | 12 µL (10 mm path) |
| Noise | ±3 × 10⁻⁶ AU/cm |
| Drift | 1 × 10⁻³ AU/hr |
| Linearity | >2.0 AU |
| Scan Rate | ≤20 Hz |
| Spectral Resolution | 1.2 nm |
| Wavelength Accuracy | ±1 nm |
| Light Source | Deuterium + Tungsten-Halogen Lamps |
| A/D Converter | 20-bit |
| Data Acquisition Rate | Configurable up to 20 Hz |
| Beam Delivery | Stacked Optical Fiber Optics |
| Compliance | ASTM E275, USP <857>, ISO/IEC 17025-aligned verification protocols |
| Brand | Laballiance |
|---|---|
| Origin | USA |
| Model | 201/525 |
| Wavelength Range | 190–380 nm (Model 201), 190–365 nm (Model 525) + Tungsten Lamp 366–800 nm |
| Dual-Wavelength Capability | 190–450 nm or 366–800 nm |
| Spectral Bandwidth | 6 nm |
| Wavelength Accuracy | ±1.0 nm |
| Wavelength Repeatability | ±0.1 nm |
| Noise | < ±1.0 × 10⁻⁵ AU @ 254 nm (single wavelength) |
| Absorbance Range | 0.0005–3.0 AUFS |
| Absorbance Linearity | >99% to 2.0 AU @ 254 nm |
| Optical Design | Concave holographic grating monochromator, dual-beam with fiber-optic beam splitter |
| Analog Output | Dual-channel, full-scale selectable |
| Power Supply | 220 V, 50/60 Hz |
| Dimensions | 30.5 cm W × 40.6 cm D × 17.8 cm H (12″ × 16″ × 7″) |
| Weight | 14 kg (31 lb) |
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