GPC column ovens

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during the previous 15 years polyolefin analysis together dr monrabal s previous experience gpc polymer char entered the molar mass distribution industry gpcir was designed to respond to the features that the last decade were being demanded polyolefin gpc users such as separate column oven compartment automated

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the commercialized instruments cover the whole separation techniques spectrum b molar mass distribution gpc sec b gpcir the new generation high temperature gpc sec dedicated to the molar mass distribution analysis polyolefins fully automated sample preparation filtration triple detector c v ls composition sensor ir4

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characterization ispac enschede the netherlands b 2001 b 4th annual unesco school south african iupac conference macromolecules science stellenbosch south africa b 2000 b international gpc symposium 2000 las vegas nv usa 13th symposium polymer analysis characterization ispac pittsburgh pa usa b 1999 b

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as concentration detector all the analytical techniques other detectors are also available some techniques such as ir5 mct hdpe resins viscometer the light scattering heleos 8 wyatt technology molar mass distribution gpc sec gel permeation chromatography concentration composition using gpcir the most advanced

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electrically cooled the analysis low number branches hdpe pipe resins gpcir it is also an excellent standard detector gpc when requiring low concentration sensitive stable baseline crystaftref equipment control software screen cef highthroughput equipment to analyze the chemical composition distribution

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reproducibility and automatic piston wash �¡ High efficiency FX UHPLC autosampler �¡ Column oven for retention time reproducibility and viscosity reduction �¡ High speed FX UV/VIS detector (100 pt/sec) with high efficiency 2.4ìL flow cell FX-10: High Value UHPLC �¡ Micro Binary 10,000 psi pump package

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unattainable �¡ User-friendly design and user-defined oven position allow easy setup and configuration changes, without requiring service intervention �¡ Complete independence of the column from injectors or detectors lets you combine injection techniques (headspace, thermal desorption, liquid, etc

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ranges 4 to 100 psi Injector Septa Capillary Column Ferrules Graphite Ferrule of choice for high-temperature applications up to 450 °C. Graphite seals easily and does not stick to glass columns. Graphite/Vespel® 15% graphite/85% polyimide ferrule recommended for use with GC/MS systems

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17 and Flexibility Peco MPLC holders (83 and 33 mm). Brownlee VeloSep® VeloSep columns are 3.2 mm i.d. cartridges packed with 3 ìm reversed-phase support for high throughput analysis and reduced solvent consumption. VeloSep is packed with 3 ìm C8 or C18 sorbents and available in 40 or 100 mm

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Maintain the integrity of your capillary column with a fused silica guard column Using the Elite-Guard or Elite-Siltek® guard column lengthens the life of the capillary column and improves the analyte focusing. The 5 M length of deactivated uncoated fused silica is connected to the inlet end

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reactions up to 120 °C. 886 Professional Thermostat (2.886.0210) The 886 Professional Thermostat is a stand-alone Column oven for up to two columns with a maximum length of 150 mm. It excels by its ruggedness, the high heating speed and the possibility to run reactions up to 80 °C. IC interfaces

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13 ? KF Thermal sample preparation 874 USB Oven Sample Processor The 874 Oven Sample Processor opens up new possibilities for water determinations in samples that are either insoluble, cause side reactions or for any other reasons cannot be placed directly into the titration vessel. Using

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14 ? KF 860 KF Thermoprep ? Simple handling of the instrument thanks to a clearly arranged menu ? Identical and reproducible conditions for all samples during analysis ensures precise results ? No contamination of the oven and therefore no carryover and memory effects ? Simple and fast

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59 ? IC Compact IC pro instruments 881 Compact IC pro ? Cation (2.881.0010) The 881 Compact IC pro ? Cation is an intelligent ion chromatograph in compact design with column heating for the determination of anions, cations or polar substances without suppression. It may be combined

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60 ? IC Compact IC plus instruments 882 Compact IC plus ? Cation (2.882.0010) The 882 Compact IC plus ? Cation is an intelligent ion chromatograph in compact design without column heating for the determination of anions, cations or polar substances without chemical suppression. It may

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;Température Control to 0.001 °C - EPC Pressure Control to 0.001 kPa - Ambient to 325 °C Column Oven(s) - Up to 80 °C per/min Column Oven Ramp - Fast Cooldown 325 "C to 50 °C in <4 min - Compact and Lightweight, Water Tight Carrying Case (52x40x21 cm) Approximately 10

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325 °C Column Oven(s) Up to 80 °C per/min Oven Ramp Fast Cooldown 325 °C to50°C <4min 200 watt Heater Elément Multiple Température Ramps with 0.1 °C set-point resolution 12.5 x 10.5 x 12.5 cm area for Capillary Columns • Optional Single Electronic Gas Sample Valve Injectors

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loss this compact automated instrument fractionates the polymer according to crystallinity following tref process temperature rising elution fractionation meanwhile the resulting fractions are continuously injected towards online gpc columns where second fractionation this time according to molar mass

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quality control environment cef high throughput equipment to analyze the chemical composition distribution polyolefins using new approach which combines crystaf tref separation mechanisms cfc fully automated cross fractionation chromatograph tref gpc the analysis the bivariate distribution polyolefins