Polymer Laboratories Agilent PL-GPC 220 High Temperature GPC / SEC Chromatograph

SKU: 2331

Category: Geräte

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7.675,50 €

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Manufacturer: Polymer Laboratories (now Agilent)

Model: PL-GPC 220 High Temperature GPC/SEC Chromatography System

S/N: 021-098 and 031-098

Description:

The PL-GPC 220 is an integrated GPC/SEC system that features unbeatable reproducibility for any application, across the entire operating range. An extremely powerful platform, the PL-GPC 220 runs almost all polymer, solvent and temperature combinations, with full automation and advanced detection, from ambient up to 220 °C.
The PL-GPC 220 is designed for truly unattended operation. The system gradually heats to the analysis temperature while the pump maintains a low flow of solvent through the column. Once the set temperature is reached and stable, the pump ramps gradually to the full analysis flow rate. The solvent module incorporated within the PL-GPC 220 provides a safe, controlled environment to manage solvent and waste. The PL-GPC 220 solvent delivery module houses Pump with integral degasser. The solvent delivery module is temperature-controlled to 30 °C, which ensures efficient, continuous and reproducible solvent delivery, even if the solvent is viscous or solid at near-ambient temperature. The multi-heater, forced-air oven within the PL-GPC 220 is extremely stable, and accurately controls the temperature to less than 0.05 °C per hour. This minimizes detector baseline drift, ensuring the reproducible retention times so important in GPC. The oven in the PL-GPC 220 comfortably holds six, standard 300 mm, GPC columns. The oven opens at a convenient angle to provide easy access for changing columns and the injector loop, delivering comfortable and safe operation. The improved Refractive Index (RI) detector includes an enhanced photodiode and uses fiber optic technology to maximize sensitivity while minimizing baseline drift and noise, vital for good GPC/SEC. This RI detector delivers outstanding signal-to-noise ratios, even at 220 °C. Dual-zone heated autosampler accommodates 39 samples in industry-standard 2 mL vials. Injection precision is better than 1% RSD with no cross contamination between samples, and without the need for rinse vials. The PL-GPC 220 autosampler design features dual-zone heating to minimize thermal degradation. The hot and warm zones are independently programmable from ambient to 220 °C. Integral sensors monitor the system constantly. Vapor sensors are fitted in both the solvent module and column oven. The sensors can be programmed for sensitivity according to the solvent in use.

Features:

- Maintains sample solubility – all sample carrying components thermostated up to 220 °C
- Proven industry standard – market-leading in high-temperature GPC
- Excellent performance – High quality detectors fitted with low dispersion flow cells for excellent signal-noise ratios with minimal baseline drift and maximum sensitivity
- Spacious and easy-access oven – Holds up to six 300 mm columns, easily accessible for comfortable and safe operation
- Flexible multi-detector capability –The oven accommodates refractive index, light scattering and viscometry detectors. A flow cell interface for FTIR via heated transfer line is also available for complete polymer characterization
- Safe solvent module – Solvent handling is fully integrated, with leak detection and automated shut down for operator safety
- Easy to program, easy to use – Sophisticated software manages all aspects of instrument control and data analysis, with on-screen help always available
- Dual-zone heated autosampler – Minimizes baseline disturbance and eliminates the risk of sample precipitation or degradation during a run
- Sample preparation option – Efficient dissolution and filtration of samples prior to analysis
- High precision, extremely robust – High performance pump for reproducible molecular weights

Specifications:

Chromatograph
- Capacity / Injection volume: 200 µL
- Applications: Polymer Characterization
- Flow Rate: 0.1 - 5.0 mL/minute
- Temperature Range: Ambient to 220 ºC
- Electrical Requirements: 230 V AC (± 10%), 50/60 Hz, 15 A
- Dimensions (WxDxH): 126.0 × 54.0 × 58.0 cm
- Weight: 185 kg
Pump:
- Flow range: 0.1 - 5.0 mL/min software controlled
- Flow rate precision: = 0.07 % RSD, or = 0.02 min SD whatever is greater, based on retention time at constant room temperature
Oven:
- Temperature range: Ambient to 220 ºC
- Temperature stability: < 0.05 °C/h
- Column capacity: Up to six 300 x 7.8 mm columns
Refractive Index Detector:
- Differential refractometer: Deflection
- Cell volume: 8 µL
- Noise: = 80 µV
- Drift: = 10 mV/h
- Wavelength: 890 nm
Autosampler:
- Carousel: 40 × 2 mL vials
- Injection volume: Flushed fixed loop, 5 - 500 µL
- Precision: = 1%
Viscometer:
- Linearity: 0.5% FS
- Shear rate (typical): 3000 s-1
- Sensitivity ?sp: 1x10-5 Pa.s
- Baseline noise (for DP output): < 0.25 mV
- Baseline drift (for DP output): < 5 mV
Light Scattering Detector:
- Sample cell volume: 10 µL
- Light scattering vol.: 0.01 µL
- Laser wavelength / power: 658 nm/30 mW (continuous)
- Rayleigh scattering angles: 15 ° and 90 ° C (dual)

Items delivered:

Polymer Laboratories PL-GPC 220 High Temperature GPC/SEC System incl.:
- Accurately controlled column oven with integrated injection system, columns and detectors
- Dual temperature zone autosampler prevents sample degradation
- Temperature controlled solvent delivery module with 2x solvent reservoirs, pump and degasser
- The pump with integrated degasser delivering precise flow for reproducible retention times – even with highly viscous solvents

Condition:

The whole system is in very good cosmetic as well as operating and working condition. It is 100% functional tested and ready to be applied.

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