4293 Results for: "Restek"
HPLC columns, Raptor™ C18 (USP L1)
Supplier: Restek
These traditional endcapped C18 columns are ideal for general-purpose use in reversed-phase chromatography.
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GC capillary column connectors, Swagelok®
Supplier: Restek
Parker's fittings are ideal for installing new equipment, modifying existing instrumentation or replacing worn connections.
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Gas sampling bags, ALTEF®
Supplier: Restek
Gas sampling bags are whole air sampling devices useful for monitoring part-per million (ppm) levels of most volatile organic compounds (VOCs). Unlike Tedlar® bags, ALTEF bags do not produce background levels of dimethylacetamide (DMAC) or phenol. It features single eyelet and PP combo valve with hose connection to fit 4,7 mm ID tubing and syringe port with replaceable septum.
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HPLC columns, Pinnacle® DB PFP Propyl
Supplier: Restek
Pinnacle® DB PFP Propyl columns provides great retention and selectivity of charged bases, electronegative compounds, and amine-containing compounds.
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HPLC columns, Ultra PFP Propyl (USP L43)
Supplier: Restek
Ultra PFP Propyl columns are with a pentafluorophenyl propyl phase and has retention and selectivity of charged bases, electronegative compounds and amine-containing compounds.
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Tetrahydrofuran-d8
Supplier: Restek
Organic Standard, Tetrahydrofuran-d8, 1 ml/ampoule
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524 calibration mix #7A (5 components)
Supplier: Restek
The calibration mix consists of five components they are acetone, 2-butanone, 2-hexanone, 4-methyl-2-pentanone and tetrahydrofuran.
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HPLC columns, Viva biphenyl (USP L11)
Supplier: Restek
These biphenyl coulmns have a greater degree of dispersion than conventional phenyls and a greater degree of polarisability than phenyl hexyls, creating higher selectivity and a greater range of usability. With heightened interactions shows substantial increases in retention for dipolar, unsaturated, or conjugated solutes and enhanced orthogonal selectivity when using methanol mobile phases.
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Solvent filter, bluestem glass
Supplier: Restek
This solvent filter is made up of borosilicate glass and is used to prevent the particulates and microbial growth in the solvents from entering the system.
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HPLC columns, Viva C4 (USP L26)
Supplier: Restek
These columns are based on a wide pore material designed for optimal large-molecule separations. Base-deactivated, wide-pore packing exhibits excellent peak shape for a wide range of compounds. Less retention in reversed phase assays than Viva C18 or Viva C8.
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HPLC columns, Viva C18 (USP L1)
Supplier: Restek
Viva C18 are monomeric octadecylsilane columns, highly base deactivated wide pore packing that exhibits peak shape for a wide range of compounds from acidic through slightly basic. General purpose column for analyzing large molecules and biomolecules.
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Solid phase extraction disks, Resprep®
Supplier: Restek
These glass fiber disks are embedded with C18 or C8 bonded silica. Deep-pore design reduces clogging and allows faster flow rates. Semivolatile organic compounds can be etracted.
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Extraction cell caps and replacement parts
Supplier: Restek
Caps features a smooth inner surfaces for easier cleaning. Suitable for for ASE systems.
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ASTM D3606 calibration standards with MEK internal standards
Supplier: Restek
ASTM D3606 calibration standard #7 with MEK internal standard, isooctane includes benzene, 0,0576%, 2-butanone, 4%, toluene 0,48%, Pk Info: 1 ml/ampoule
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Syringe filters, with Luer lock inlet
Supplier: Restek
Syringe filters with hydrophobic PTFE membranes and PP housing are used for organic solvents, acids, alcohols, bases and aromatics.
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QuEChERS internal standard mix for GC/MS analysis (6 components)
Supplier: Restek
Ready to use for QuEChERS extractions—no dilutions necessary.
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N,O-Bis(trimethylsilyl)trifluoroacetamide with 1% trimethylchlorosilane
Supplier: Restek
Silylation derivatization reagent.
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ECD/FID make-up gas kit
Supplier: Restek
This kit is used exclusively with Agilent 5890 GCs.
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XERT-500 column test mix (8 components)
Supplier: Restek
This contains (C9:0 FAME) methyl nonanoate, (C13) n-tridecane, (C15) n-pentadecane, acenaphthylene, 4-chlorophenol, n-decylamine, 1,6-hexanediol and 1-undecanol (112-42-5).
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Kovats test mix #1 (8 components)
Supplier: Restek
Organic Standard, Kovats test mix #1, 1 ml/ampoule
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N-nitrosodi-n-propylamine-d14
Supplier: Restek
Organic Standard, N-nitrosodi-n-propylamine-d14, 1 ml/ampoule
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Solvent filters for extraction cells, ASE® 300
Supplier: Restek
Cellulose or glass fiber filters for ASE 100/300 extraction cells.
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Atlantic RBCA EPH mix (11 components)
Supplier: Restek
Atlantic RBCA VPH mix, 1000 µg/ml each in hexane:methylene chloride (85:15%), 1 ml/ampoule
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CarboBlack columns (packed)
Supplier: Restek
Graphitised carbon black offers unique selectivity and very little adsorption for alcohol analyses. Two types of CarboBlack supports are available, CarboBlack B and CarboBlack C. CarboBlack B support, with its higher surface area, can hold up to a 10% loading of a non silicone liquid phase. CarboBlack C support can hold up to a 1% loading of a non silicone liquid phase.
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Diatomaceous earth packed columns, Chromosorb®
Supplier: Restek
Non bonded stationary phase packed columns.
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GC columns, Mxt®-Alumina BOND/MAPD
Supplier: Restek
MXT-Alumina BOND/MAPD PLOT columns are made specifically for the analysis of petrochemicals and downstream products such as ethylene, propylene, butylenes and butadiene.