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Showing 1-30 of 46 results for "Hexane"
Determination of Water Content in n-Hexane Using Karl Fischer Titration
Summary application report for analysis of moisture in n-Hexane
LC/MS Analysis of Phospholipids in Milk on Ascentis® Express HILIC after SPE using Supelclean Si, Shotgun HPLC Analysis
(soybean), ≥97%; L-α-Phosphatidylethanolamine from egg yolk, Type III, ≥97% (TLC), lyophilized powder; L-α-Phosphatidylcholine, from egg yolk, Type XVI-E, ≥99% (TLC), lyophilized powder; Sphingomyelin, from chicken egg yolk, ≥95%
Fraction of cis/trans FAMEs Using Discovery® Ag-Ion SPE
Fraction of cis/trans FAMEs Using Discovery<sup>®</sup> Ag-Ion SPE
Solvent Systems for Thin-layer Chromatography of Novabiochem Products
A guide to create solvent systems used for the thin-layer chromatography assay of Novabiochem products.
Analysis of Polychlorinated Biphenyls in Fish Oil Using Supelclean EZ-POP NP, Silica Gel SPE, and an SLB-5ms GC Column
Polychlorinated biphenyls (PCBs) were once widely used in many industrial and commercial applications such as insulating fluids, dielectrics, and lubricants. This included their extensive use in electrical transformers. PCB use has been banned in many countries, and the Stockholm Convention...
Solid Phase Extraction: Normal Phase Methodology
Retention occurs through polar interaction between the sorbent and analytes. Typical sample matrices that can be employed in normal-phase SPE include hydrocarbon or fatty oils diluted in a solvent like hexane, isooctane, chlorinated solvent, THF, diethyl ether, or ethyl acetate.
Analysis of Residual Solvents in Hemp Extract by Headspace SPME-GC/MS
The use of solid phase microextraction (SPME) allowed for the straightforward, fast, sensitive, and accurate GC/MS determination of the residual solvent content of spiked and unspiked samples of hemp extract.
HDM-PAMPA with the MultiScreen Permeability Filter Plate
HDM-PAMPA with the MultiScreen Permeability Filter Plate
Trans Fats in Cookies using SP-2560 and SLB-IL111
Extraction of lipids as fatty acids, and subsequent detection of trans fats from a cookie sample made using partially hydrogenated vegetable oils - a Supelco technical article
AOAC Method 2012.13: GC Analysis of Fatty Acids in Powdered Infant Formula on SP™-2560
Separation of C8:0; C10:0; C11:0 (I.S.); C12:0; C13:0 (I.S.); C14:0; C14:1n5; C15:0; C16:0; C16:1n7; C17:0; C17:1n7; C18:0; C18:1 trans; C18:1 cis; C18:2n6; C18:2n7; C18:3n6 ; C18:3n3; C20:0; C20:1n9; C20:2n6; C20:3n3; C20:4n6; C22:0;...
Dual-Column GC Analysis of Organochlorine Pesticides on SLB®-5ms and SLB®-35ms
The primary column is used to determine presence of the target analytes in the sample; the secondary column of a different selectivity confirms whether a positive match.
Derivatization of Fatty acids to FAMEs
Explore how GC can be used to analyze fatty acids either as free fatty acids or as fatty acid methyl esters.
GC Analysis of Class 2 Residual Solvents on OVI-G43
GC Analysis of Class 2 Residual Solvents on OVI-G43
Catalytic Amide Bond Formation Protocol
Information on the Amide bond and the Catalytic Amide Bond Formation Protocol. Amidation of amines and alcohols. The amide bond, an important linkage in organic chemistry, is a key functional group in peptides, polymers, and many natural products and pharmaceuticals.
Clinical Application of SPME: Analysis of VOCs in Exhaled Breath as Cancer Biomarkers
This report demonstrates the potential of solid phase microextraction as a clinical research tool for the extraction of VOCs associated with lung cancer from human breath.
HPLC Analysis of Fat Soluble Vitamins by Normal Phase Chromatography on Ascentis® Si
Separation of (±)-α-Tocopherol, analytical standard; Menadione (K3), analytical standard; (+)-γ-Tocopherol, analytical standard; Cholecalciferol (D3), analytical standard
Essential Oil on SLB®-5ms
-Pinocarveol; Menthol; (+)-Terpinen-4-ol; α-Terpineol; (±)-α-Terpinyl acetate, predominantly α-isomer; Germacrene D
GC Analysis of Total Petroleum Hydrocarbons (TPH) on SLB®-5ms
Separation of Hexane; Heptane; Octane; Nonane; Decane; Undecane; Dodecane; Tetradecane; Hexadecane; Octadecane; Eicosane; Tetracosane; Octacosane; Dotriacontane; Hexatriacontane; Tetracontane; Tetratetracontane
GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH
Protocol for GC Analysis of Hydrocarbons in Gasoline on Petrocol<sup>®</sup> DH
GC Analysis of Sweet Orange Essential Oil on SLB®-5ms (10 m x 0.10 mm I.D., 0.10 µm), Fast GC Analysis
-β-Farnesene; α-Huµlene; Germacrene D; (+)-Valencene; Bicyclogermacrene; (+)-δ-Cadinene
GC Analysis of Lemon Essential Oil on SLB®-5ms (10 m x 0.10 mm I.D., 0.10 µM), Fast GC Analysis
-3,7-Dimethyl-2,6-octadien-1-ol; Neral; Geraniol; Geranial; Undecanal; Citronellyl acetate; Neryl acetate; 3,7-Dimethyl-2,6-octadienyl acetate; 1-Tetradecene; Tetradecane; α-Bisabolol
GC Analysis of Hydrocarbons in Gasoline on Equity®-1 (15 m x 0.10 mm I.D., 0.10 μm), Fast GC Analysis
-Xylene; Nonane; Propylbenzene; Mesitylene; 1,2,4-Trimethylbenzene; 1,2,3-Trimethylbenzene; 1,3-Diethylbenzene; 1,4-Dimethyl-2-ethylbenzene; 1,2-Dimethyl-4-ethylbenzene; Durene; 1,2,3,5-Tetramethylbenzene; 1,2,3,5-Tetramethylbenzene; 2-Methylnaphthalene (β)
GC Analysis of Peppermint Essential Oil on SLB®-IL59
Cymene; 4,5,6,7-Tetrahydro-3,6-dimethylbenzofuran; Linalool; Menthol; Menthone; Menthyl acetate; Germacrene D; Bicyclogermacrene; Thymol
HPLC Analysis of Paraquat and Diquat on SUPELCOSIL™ LC-18 after SPE using ENVI™-8 DSK
HPLC Analysis of Paraquat and Diquat on SUPELCOSIL™ LC-18 after SPE using ENVI™-8 DSK
GC Analysis of Volatiles in Milk on Supel-Q™ PLOT after SPME using a 75 µm PDMS/Carboxen Fiber
Separation of 4-Methyl-2-pentanone; Dimethyl disulfide; Hexanal; 3-Methylpentane; Acetone
acrylamide in food
Acrylamide analysis has been a very hot topic since the chemical was identified in food in 2002 by researchers at the Swedish National Food Administration.
GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH, Isothermal
GC Analysis of Hydrocarbons in Gasoline on Petrocol<sup>®</sup> DH, Isothermal
GC Analysis of Terpenes in Cannabis on Equity-1 after Headspace SPME
-ß-Farnesene; Humulene; Alloaromadendrene; a-Curcumene; ß-Selinene; a-Selinene; ß-Bisobolene; a-Bulnesene; Selina-3,7(11)-diene; Caryophyllene oxide ; Humulene oxide; Caryophylla-3,8(13)-dien-5-ol A
Chromatographic Testing of Black Pepper According to the United States Pharmacopeia
Powdered black pepper was chosen as example for dietary supplements, being a source for pierine. It is tested according to the current United States Pharmacopeia (USP) guidelines using HPTLC and HPLC.

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