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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.
Determination of PAHs in Paprika Powder Using a Novel SPE Cartridge
Paprika is a spice made from dried sweet peppers, and is used for flavor and color in many types of cuisine. Contamination with polynuclear aromatic hydrocarbons (PAHs) can occur when pepper plants are exposed to these pollutants in the environment...
Fraction of cis/trans FAMEs Using Discovery® Ag-Ion SPE
Fraction of cis/trans FAMEs Using Discovery® Ag-Ion SPE
Analysis of Bisphenol A in Food by Solid Phase Microextraction Using an Overcoated Fiber
Bisphenol A (BPA) is suspected to be an endocrine disruptor. Regulations on specific migration limits (SML) from food contact materials are getting tighter (EU 2018/213) requiring more sensitive determinations. An overcoated SPME fiber provides the durability necessary for direct...
GC/MS Analysis of Ethanol in Low Alcohol Beer on SUPELCOWAX® 10 after Headspace SPME using a 100 µm PDMS Fiber
GC/MS Analysis of Ethanol in Low Alcohol Beer on SUPELCOWAX® 10 after Headspace SPME using a 100 μm PDMS Fiber
ENVI-Carb Plus for the Extraction of Propylene Glycol and Ethylene Glycol from Water
ENVI-Carb Plus for the Extraction of Propylene Glycol and Ethylene Glycol from Water
GC Analysis of Pyrazines in Peanut Butter
Separation of 2-Ethyl-3-methylpyrazine; 1-Methylpyrrole; 2,3-Dimethylpyrazine; 2,5-Dimethylpyrazine; 2-Ethylpyrazine, ≥98%, FG; 2,3-Diethylpyrazine; 2-Methylpyrazine; Carbon disulfide; Dimethyl disulfide; 2,6-Dimethylpyrazine
GC Analysis of Terpenes in Hops (Cascade Variety) on Equity®-1 after Headspace SPME using 50/30 µM DVB/CAR/PDMS Fiber
-ß-Farnesene; Humulene; γ-Muurolene; γ-Selinene; Geranyl isobutyrate; ß-Selinene; a-Muurolene; a-Selinene; γ-Cadinene; Calamenene; Δ-Cadinene; Caryophyllene oxide; Humulene oxide
GC Analysis of Phenols in Water on a 5% Phenyl Column after SPE using Supelclean™ ENVI-Chrom P
Separation of 2-Nitrophenol; Pentachlorophenol; 2-Bromophenol; Phenol; 4-Nitrophenol; 3-Methylphenol, analytical standard; 4-Chloro-3-methylphenol; 2,4-Dichlorophenol; 2,3,4,6-Tetrachlorophenol; 2-Methylphenol, analytical standard; 2,4,6-Trichlorophenol; 2,4-Dimethylphenol; 2-Chlorophenol
Measurement of acetic acid vapor in the workplace using passive sampling SPME and on-fiber derivatization with 1-pyrenyldiazomethane: Comparison with active sampling
Measurement of acetic acid vapor in the workplace using passive sampling SPME and on-fiber derivatization with 1-pyrenyldiazomethane: Comparison with active sampling.
GC Analysis of Oxygen, Nitrogen, and Carbon Dioxide on Carboxen®-1010 PLOT
GC Analysis of Oxygen, Nitrogen, and Carbon Dioxide on Carboxen®-1010 PLOT
ASTM D6526: GC Analysis of Impurities in Toluene on SLB®-IL100, 60 m Column
ASTM D6526: GC Analysis of Impurities in Toluene on SLB®-IL100, 60 m Column
Ionic Liquid GC Capillary Columns
ionic liquids can successfully be used as viable GC stationary phases. These consist of two or more organic cations joined by a linkage, and associated with... improved inertness for polar analytes was the inspiration for the development of SLB™-IL (i-series)...
GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH, Isothermal
GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH, Isothermal
GC Analysis of Class 3 Residual Solvents on SUPELCOWAX® 10
Protocol for GC Analysis of Class 3 Residual Solvents on SUPELCOWAX® 10
ASTM D3612-96: GC Analysis of Transformer Gas on Carboxen®-1010 PLOT
Separation of Hydrogen; Oxygen; Nitrogen; Carbon monoxide; Methane; Carbon dioxide; Acetylene; Ethylene; Ethane
GC Analysis of a Grain Fatty Acid Methyl Ester (FAME) Mix on SP™-2560
-11-eicosenoate; Methyl elaidate; Methyl linoleate; Methyl myristate; Methyl myristoleate; Methyl palmitate; Methyl palmitoleate; Methyl oleate; Methyl pentadecanoate; Methyl tridecanoate; Methyl behenate; Methyl caprylate; Methyl erucate; Methyl heptadecanoate; Methyl arachidate
GC Analysis of a 37-Component FAME Mix on SLB®-IL100
Protocol discussing GC Analysis of a 37-Component FAME Mix on SLB®-IL100
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;...
Determination of Free and Total Glycerin in B100 Biodiesel
Glycerin determination by methods D6584 and/or EN 14105 requires the use of two internal standards and multi-component calibration solutions, each containing glycerin, monoolein, diolein, and triolein, in varying concentrations.
GC Analysis of PBDE Flame-Retardant Compounds
GC Analysis of PBDE Flame-Retardant Compounds
Determination of Triglycerides and Waxes in Food Products Using Cool On-Column Injection and the MET-Biodiesel Capillary Column
Determination of Triglycerides and Waxes in Food Products Using Cool On-Column Injection and the MET-Biodiesel Capillary Column
Hydrogen: A Carrier Gas Alternative to Helium
Hydrogen has several features (higher optimal linear velocity, and flatter Golay curve) that result in desirable benefits (decreased analysis times) when compared to other GC carrier gas choices.
Measuring Flows For Gas Chromatography – Volumetric vs. Mass
When choosing a flowmeter, it is essential to consider the attributes and needs of the application. This article provides information related to measuring GC flow rate by both volume and mass.
Syringe Care
Syringes are precision instruments and need care. Learn to correctly inspect, use, unclog, handle, clean and store them to ensure good accuracy, reproducibility, and lifetime.
GC Analyses of Free Fatty Acids
This article will discuss the analysis of free fatty acid.
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