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Supplier: Restek
Description: Molecular sieve packed columns easily separate permanent gases at above-ambient temperatures. Restek's R&D chemists have developed a process for preparing molecular sieve packings, which result in excellent batch-to-batch reproducibility. In addition, our molecular sieves are
- Column Length: 1 to 3.05 m
- Inner Diameter (ID): 2,000 to 2,100 µm
- Column Type: Packed Column
- Construction Material: Steel - Stainless
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Supplier: Restek
Description: phases for packed columns. Now packed column chromatographers can expect shorter conditioning times, lower bleed, and longer column lifetimes by using Restek bonded phase packed columns. Solvent rinsing during the manufacturing process removes low
- Column Length: 2 m
- Inner Diameter (ID): 2,000 to 2,100 µm
- Column Type: Packed Column
- Construction Material: Steel - Stainless
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Supplier: Restek
Description: 1.5% Rt-2250/1.95% Rt-2401
- Column Length: 2 m
- Inner Diameter (ID): 3,200 µm
- Column Type: Packed Column
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Supplier: Accuris
Description: STANDARD PRACTICE FOR PACKED COLUMN GAS CHROMATOGRAPHY
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Supplier: ASTM International
Description: Standard Practice for Packed Column Gas Chromatography
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Supplier: Accuris
Description: ESSENTIAL OILS. ANALYSIS BY GAS CHROMATOGRAPHY ON PACKED COLUMNS. GENERAL METHOD.
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Supplier: Accuris
Description: Oil of Rosewood - Determination of Alpha-Terpineol Content - Gas Chromatographic Method on Packed Columns
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Supplier: Accuris
Description: Determination of Polychlorinated Biphenyls (PCBs) in Mineral Insulating Oils by Packed Column Gas Chromatography (GC)
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Supplier: CSA Group
Description: The Standard gives detailed information on all recurrent parameters, apparatus, products, methods and formulae for the analysis. In general a small quantity of essential oil is analyzed under specified conditions. If required different constituents are identified from their retention indexes.
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Description: The Standard gives detailed information on all recurrent parameters, apparatus, products, methods and formulae for the analysis. In general a small quantity of essential oil is analyzed under specified conditions. If required different constituents are identified from their retention indexes.
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Description: Uses packed column gas chromatography to measure the concentration of polychlorinated biphenyls (PCBS) which may be encountered as impurities in mineral insulating oils. The method is designed for PCB mixtures present in askarels.
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Supplier: Branch Environmental Solutions
Description: Packed Towers are used for gas absorption including acid gases such as S02, HCl and others. Packed Towers can also absorb solvents such as Alcohol and gases such as Ammonia. Almost any water soluble chemical can be removed from the gas using a Packed Tower. Packed Towers
- Airflow: 50,008.05 SCFM
- Pollutants Scrubbed: Caustic, Chlorine Gas
- Filter Type: Packed Bed / Column
- Process Type: Wet
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Supplier: Restek
Description: This packed column has unique selectivity for resolving unsaturated light hydrocarbons
- Column Length: 6.096 m
- Inner Diameter (ID): 2,000 µm
- Column Type: Packed Column
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Supplier: Verantis
Description: Capacities from 20 to 100,000 ACFM. Utilizes high-efficiency Tellerette® Tower Packing for removal of soluble/reactive gases and liquid droplets down to 7 microns. Lower portion of shell serves as integral sump for recycle liquid. Single spray nozzle liquid distributor for minimum fouling. Utilizes
- Airflow: 20 to 100,000 SCFM
- Efficiency: 99.99 %
- Minimum Particle Size Filtered: 7 µm
- Scrubber Type: Building / Enclosure
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Description: Aromatic extracts, flavouring and perfuming compounds -- Determination of ethanol content -- Gas chromatographic method on packed and capillary columns
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Supplier: Western Analytical Products
Description: your column, resulting in optimum column protection. The total packing volume of 16.2 µL ensures maximum column efficiency and analytical column protection. The column can be easily dry packed using the specially designed funnel (C-128-20). A 3 g bottle of
- Column Type: Guard Column
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Supplier: Verantis
Description: Available in standard sizes from 900 to 10,000 CFM. Utilizes high-efficiency Tellerette Tower Packing. Removal efficiency as high 99.9% for soluble/reactive gases. Fabricated in thermoplastic or FRP. Easy to install, start-up and operate.
- Airflow: 900 to 10,000 SCFM
- Efficiency: 99.999 %
- Features: Other Filter Type
- Filter Type: Packed Bed / Column
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Supplier: Western Analytical Products
Description: " Optimized for Protein and Peptide separation/Purification Nonconductive and conductive options Packed and Unpacked columns Upchurch scientific capillary sample Trap columns are ideal for separating and concentrating and/or purifying biological samples. The heart of the sample
- Column Type: Guard Column
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Supplier: Bio-Rad Laboratories, Inc.
Description: Pkg of 1,000, empty polypropylene spin columns, 1.2 ml bed volume, disposable, autoclavable  Empty Bio-Spin and Micro Bio-Spin chromatography columns are disposable polypropylene spin columns that can be packed with a variety of chromatographic media. Bio-Spin
- Column Type: Analytical Column
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Supplier: Bio-Rad Laboratories, Inc.
Description: pressure stability, wide pH stability, and high column efficiency and selectivity. Aminex columns are an industry standard for the analysis of organic acids and alcohols.Bio-Rad offers organic acid columns for simple, yet specific methods of food and beverage analysis. Aminex
- Column Type: Analytical Column
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Supplier: Western Analytical Products
Description: " Optimized for Protein and Peptide separation/Purification Nonconductive and conductive options Packed and Unpacked columns Upchurch scientific capillary sample Trap columns are ideal for separating and concentrating and/or purifying biological samples. The heart of the sample
- Column Type: Guard Column
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Supplier: Bio-Rad Laboratories, Inc.
Description: (300 mm) columns provide high-resolution separations of complex carbohydrate mixtures in approximately 20 minutes, while the shorter columns provide efficient separations of specific carbohydrates in 3–5 minutes. Aminex HPX-87C Column This calcium-form column is the
- Column Type: Analytical Column
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Supplier: Bio-Rad Laboratories, Inc.
Description: Pkg of 30, 10 ml packed resin, 20 ml reservoir, prepacked gravity-flow chromatography column, includes upper frit  Econo-Pac prepacked columns for gravity-flow chromatography allow fast and easy desalting. The prepacked Econo-Pac columns include an upper frit, a
- Column Type: Analytical Column
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Supplier: Western Analytical Products
Description: " Optimized for Protein and Peptide separation/Purification Nonconductive and conductive options Packed and Unpacked columns Upchurch scientific capillary sample Trap columns are ideal for separating and concentrating and/or purifying biological samples. The heart of the sample
- Column Type: Guard Column
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Supplier: Texel-Seikow USA, Inc.
Description: TEXEL packed bed wet scrubber TRS-HS series can process a variety of corrosive gases. The scrubber and blower are made of FRP, which has superior corrosion resistant properties. (Circulation pump is made of Polypropylene of PVDF) The blowers and pumps installed to the scrubbers are designed
- Pollutants Scrubbed: Acid, Ammonia, Caustic, Chlorine Gas, Other Pollutants
- Filter Type: Packed Bed / Column
- Scrubber Type: Skid / Base Plate Mounted
- Orientation: Vertical
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Supplier: Abel Industries Canada Ltd.
Description: Polyethylene glycol (PEG), MW 20,000 Non-Bonded non-crosslinked phase Polar phase, equivalent to USP phase G16 Replacement of packed columns with Carbowax 20M modified
- Column Length: 25 m
- Inner Diameter (ID): 320 µm
- Film Thickness: 0.3 µm
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Supplier: LINAK U.S. Inc.
Description: DESKLIFT™ Set Pack is a convenient way of offering a complete 2-leg motor set packed in a box. Choose between several preconfigured systems and get a ready to ship system. This solution is especially useful for onsite assembly. The box and inlay are all made of cardboard making it easy to
- Maximum Load: 179.84 to 269.76 lbs
- Maximum Stroke: 19.68505 to 25.590565 inch
- Maximum Speed: 1.49606299212598 in/sec
- Retracted Length: 22.047256 to 25.3937145 inch
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Supplier: MAC-MOD Analytical, Inc.
Description: Partisphere is available in pre-packed columns and a choice of 5µm high performance phases. In addition to its efficient pure silica and monomeric C-18 and C-8, SAX, SCX and PAC are also available. PartiSphere media feature narrow particle size distribution and excellent
- Packing Material Diameter: 5 µm
- Pore Diameter: 0.012 µm
- Column Length: 12.5 cm
- Internal Diameter: 4.6 mm
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Supplier: MAC-MOD Analytical, Inc.
Description: Partisphere is available in pre-packed columns and a choice of 5µm high performance phases. In addition to its efficient pure silica and monomeric C-18 and C-8, SAX, SCX and PAC are also available. PartiSphere media feature narrow particle size distribution and excellent
- Packing Material Diameter: 5 µm
- Pore Diameter: 0.012 µm
- Column Length: 12.5 cm
- Internal Diameter: 4.6 mm
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Supplier: MAC-MOD Analytical, Inc.
Description: Partisphere is available in pre-packed columns and a choice of 5µm high performance phases. In addition to its efficient pure silica and monomeric C-18 and C-8, SAX, SCX and PAC are also available. PartiSphere media feature narrow particle size distribution and excellent
- Packing Material Diameter: 5 µm
- Pore Diameter: 0.012 µm
- Column Length: 25 cm
- Internal Diameter: 4.6 mm
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Supplier: MAC-MOD Analytical, Inc.
Description: Partisphere is available in pre-packed columns and a choice of 5µm high performance phases. In addition to its efficient pure silica and monomeric C-18 and C-8, SAX, SCX and PAC are also available. PartiSphere media feature narrow particle size distribution and excellent
- Packing Material Diameter: 5 µm
- Pore Diameter: 0.012 µm
- Column Length: 12.5 cm
- Internal Diameter: 4.6 mm
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Supplier: Cole-Parmer
Description: • Provide high efficiency and sensitivity
ideal for LC/MS analysis • KAPPA Capillary Columns are especially suitable for small sample, proteomic separations • Nanobore Columns provide higher sensitivity for nanospray applications BioBasic Nanobore Columns are -
Supplier: Cole-Parmer
Description: • A reliable global source • Thermo Scientific polar endcapped C18 phase • Alternative selectively compared to conventional C18 phases • Retention of polar compounds • Compatible with 100% aqueous mobile phases High efficiency columns packed with other manufacturers'
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Supplier: Cole-Parmer
Description: • A reliable global source • Thermo Scientific polar endcapped C18 phase • Alternative selectively compared to conventional C18 phases • Retention of polar compounds • Compatible with 100% aqueous mobile phases High efficiency columns packed with other manufacturers'
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Supplier: Cole-Parmer
Description: • A reliable global source • Thermo Scientific polar endcapped C18 phase • Alternative selectively compared to conventional C18 phases • Retention of polar compounds • Compatible with 100% aqueous mobile phases High efficiency columns packed with other manufacturers'
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Conduct Research Top
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50 Years, and Counting, for Gas-Phase Chromatography
in 1952 for predicting the gas phase could be used in chromatography. Martin had since invented the gas density balance, the essential apparatus for estimating components in GC. Under Martin, McNair packed columns and evaluated some 80 liquid phases for various chemicals, and fetched coffee
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Critical Leak Requirements in GC/MS, LC/MS and Analytical Instruments (.pdf)
for chromatography consists of an injection port at one end of a metal column packed with substrate material and a detector at the other end. A carrier gas propels the sample down the column while flow meters and pressure gauges in the instrument maintain a constant flow.
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SMB Takes On Paclitaxel Purification
studies led to modifications in the amount of stationary phase packed in the SMB columns, along with solvent composition, loading concentration, feed and take-off rates. The SMB process is controlled through real-time, near-line, fast HPLC analysis of the extract and raffinate evaporate streams
More Information Top
Indicates content that may require registration and/or purchase.
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Packed Towers
In the chemical and allied industries, there is a continuously rising trend towards separation processes that are operated in packed columns with systematically stacked or randomly dumped beds.
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Fluid Mechanics Heat Transfer and Mass Transfer: Chemical Engineering Practice
Mass transfer chapters cover basics such as diffusion, theories, analogies, mass transfer coefficients and mass transfer with chemical reaction, equipment such as tray and packed columns , column internals including structural packings, design, operational and installation issues, drums and separators are discussed in …
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Extreme Chromatography Faster, Hotter, Smaller
of packed columns : Application to a commercial sub-2µm particle material.
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Distillation Engineering
D. Packed Columns versus Tray Columns-Operational .
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Practical Gas Chromatography
We distinguish between packed columns and capillary columns.
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Preparative Chromatography, 2nd, Completely Revised and Enlarged Edition
… adsorbent Dead time of the plant without column Retention time Net retention time Switching time of the SMB plant Total dead time Temperature Degree of peak asymmetry Velocity in the empty column Interstitial velocity in the packed column Effective velocity (total mobile …
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Preparative Chromatography: of Fine Chemicals and Pharmaceutical Agents
uint Interstitial velocity in the packed column .
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HPLC of Peptides and Proteins
In some cases, it is possible to invert the column prior to these washing steps to assist in removing particulate matter caught in the top of the column, although for pre- packed columns this step should only be used as a last …
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https://uwspace.uwaterloo.ca/bitstream/handle/10012/6688/El-Hussieny%20Mohamed_%20Heba.pdf?sequence=1
conventional fully porous particle- packed columns .5, 6 The higher performance at high flow .
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https://www.gelifesciences.com/gehcls_images/GELS/Related Content/Files/1352297763492/litdoc28933108_20121218105813.pdf
Unpacking a packed column ..........................................................................................................