11408 Results for: "Restek"
Vial racks for headspace vials
Supplier: Restek
These vial racks securely hold up to 36 headspace vials.
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Herbicide reference standard, 2,4-DB [4-(2,4-Dichlorophenoxy)butyric acid]
Supplier: Restek
Organic Standard, 2,4-DB, 1 ml/ampoule
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Herbicide reference standard, 2,4,5-TP (Silvex) methyl ester
Supplier: Restek
Organic Standard, 2,4,5-TP (Silvex) methyl ester, 1 ml/ampoule
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Pesticide reference standard, Trifluralin
Supplier: Restek
Organic Standard, Trifluralin
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HPLC columns, Allure® PFP propyl (USP L43)
Supplier: Restek
PFP propyl columns have a pentafluorophenyl phase with a propyl spacer. It is highly retentive for basic analytes and phase for separating nucleosides, nucleotides, purines, pyrimidines, halogenated compounds, β-blockers and tricyclic antidepressants.
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Gas sampling cylinders
Supplier: Restek
These sample cylinders allow sampling at gas wellheads as well as on-site refineries. Each cylinder is hydrostatically tested to at least 5/3 the working pressure.
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LC multiresidue pesticide standard #2 (16 components)
Supplier: Restek
Accurately detect and quantify pesticides of global food safety concern in a wide range of fruits, vegetables, and other commodities by LC-MS/MS.
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Revised B/N surrogate mix
Supplier: Restek
This mix contains four components (2-fluorobiphenyl, nitrobenzene-d5, p-terphenyl-d14, pyrene-d10).
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Atlantic RBCA VPH mix (12 components)
Supplier: Restek
Atlantic RBCA VPH mix, 1000 µg/ml in P and T methanol, : N/A, 1 ml/ampoule
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UHPLC columns, Pinnacle® DB Silica (USP L3)
Supplier: Restek
Highly base-deactivated spherical silica manufactured by Restek. Useful for normal phase separations. Replaces Hypersil® BDS and Pinnacle® Amine.
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UHPLC columns, Pinnacle® DB C8 (USP L7)
Supplier: Restek
Highly base-deactivated spherical silica manufactured by Restek. Monomeric C8 bonding. Similar to Pinnacle® DB C18, but the shorter alkyl chain provides less hydrophobic retention. Less retention can be useful for shortening analysis time, if resolution is adequate. Replaces Hypersil® BDS C8 and Pinnacle® C8 Amine.
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Method 535 surrogate standard (dimethachlor ESA sodium salt)
Supplier: Restek
Dimethachlor ESA sodium salt, EPA method 535, 100 μg/ml in methanol, : N/A, 1 ml/ampoule
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LC multiresidue pesticide standard #7 (7 components)
Supplier: Restek
Accurately detect and quantify pesticides of global food safety concern in a wide range of fruits, vegetables, and other commodities by LC-MS/MS.
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LC multiresidue pesticide standard #8 (hydramethylnon)
Supplier: Restek
Accurately detect and quantify pesticides of global food safety concern in a wide range of fruits, vegetables, and other commodities by LC-MS/MS.
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Peek washers for solvent extraction, ASE® Systems
Supplier: Restek
PEEK washers for ASE 200
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Porous polymer columns (packed)
Supplier: Restek
Restek offers a full range of porous polymers, including HayeSep® and Porapak polymer packings for analyses of volatile compounds and light solvents.
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Pharmaceutical mix #2 (4 components)
Supplier: Restek
This pharmaceutical mix #2 contains four components: Gemfibrozil, Ibuprofen, Naproxen and Triclosan.
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Canadian drinking water phenoxyacid herbicides mix (11 components)
Supplier: Restek
Consists of 11 components, those are bromoxynil, 2,4-d, dicamba, 2,4-dichlorophenol, diclofop methyl, dinoseb, pentachlorophenol, picloram, 2,4,5-t, 2,3,4,6-tetrachlorophenol and 2,4,6-trichlorophenol.
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Capillary columns, Rtx®-624
Supplier: Restek
Application-specific columns for volatile organic pollutants. Recommended in U.S. EPA methods for volatile organic pollutants.
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Deuterium lamps for HPLC systems
Supplier: Restek
Deuterium lamp, Longlife deuterium lamp, 2000 hours, For: 1100 DAD/MWD/1200/1260
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GC multi-residue pesticide standard #8 (24 components)
Supplier: Restek
The multiresidue accurately identify and quantify pesticide residues by GC-MS/MS in fruits, vegetables, botanicals, and herbals such as tea, ginseng, ginger, echinacea, and dietary supplements.
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GC multiresidue pesticide standard #4 (28 components)
Supplier: Restek
Organonitrogen compounds that has accurately identify and quantify pesticide residues by GC-MS/MS in fruits, vegetables, botanicals, and herbals such as tea, ginseng, ginger, echinacea, and dietary supplements.
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Test mix for NPI-350 column (8 components)
Supplier: Restek
This test mix for NPI-350 column contains: (C9:0 FAME) Methyl nonanoate (1731-84-6); (C13) n-Tridecane (629-50-5); (C15) n-Pentadecane (629-62-9); Acenaphthylene (208-96-8); 4-Chlorophenol (106-48-9); 1,6-Hexanediol (629-11-8); 4-Propylaniline (2696-84-6); 1-Undecanol (112-42-5).
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QuEChERS internal standard mix for GC/NPD and LC/MS/MS analysis (2 components)
Supplier: Restek
Ready to use for QuEChERS extractions—no dilutions necessary.
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ASTM® D3606 calibration standard #1 with sec-butanol internal standard (3 components)
Supplier: Restek
Consists of three components, those are benzene, 2-butanol and toluene.
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Tubing, stainless steel 304, Hydroguard® deactivated
Supplier: Restek
This coiled tubing is made of stainless steel 304.
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Pesticide mix #1 (rev), organophosphorus, method 525.2 (7 components)
Supplier: Restek
Pesticide mix #1, organophosphorus, Pesticide mixture, 500 µg/ml each in acetone, : N/A, 1 ml/ampoule
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Pesticide mix #2 (rev), organochlorine, method 525.2 (8 components)
Supplier: Restek
Pesticide mix #2, organochlorine, Pesticide mixture, 500 µg/ml each in acetone, : N/A, 1 ml/ampoule
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Bulk adsorbents, granulated activated copper
Supplier: Restek
This activated copper effectively removes elemental sulphur from environmental extracts. The 30 mesh granular material eliminates the potential for fine copper particles in filtered extracts.