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Milli-Q® Advantage A10纯水系统
智能。直观。让您无忧无虑地工作,最大程度提升实验室工作效率。创新的人体工程学设计以及强大的纯化树脂,确保优质超纯水源源不断。不妨了解一下Milli-Q® IQ 7000是如何改变您在实验室中的工作方式的。
Milli-Q® IQ 7000超纯水系统
探索客户至上的超纯水系统。智能互联、简单直观的Milli-Q® IQ 7000系统将简化您在实验室中的工作方式。
Residual Solvents from Food Packaging
Residual Solvents from Food Packaging
GC Analysis of a 37-Component FAME Mix on Omegawax®
This technical article will discuss GC Analysis of a 37-Component FAME Mix on Omegawax.
Petroleum Hydrocarbon Standards for SIMDIS Analyses
Understanding the boiling point range distribution of petrochemical products is critical for selection of the proper method to process feed stocks, for process control, for contaminant identification and for development of new test methods.
GC Analysis of C2-C22 Free Fatty Acids on Nukol™
Separation of Methyl oleate; Caprylic acid; Heptanoic acid; Methyl decanoate; Methyl dodecanoate; Myristic acid; Methyl palmitate; Methyl palmitoleate; Methyl stearate; Methyl linoleate; Methyl linolenate; Acetic acid; Arachidic acid; Behenic acid; Propionic acid; Isobutyric acid; Valeric acid; Isovaleric acid; Isocaproic acid;
US EPA Method 8041: GC Analysis of Phenols on Equity®-5
Separation of 2-Chlorophenol; 2,4-Dichlorophenol; 2,4,6-Tribromophenol; 2,4,6-Trichlorophenol; 2,4-Dinitrophenol; Pentafluorophenol; 2-Methylphenol, analytical standard; 2,3,4,6-Tetrachlorophenol; Pentachlorophenol; 4-Nitrophenol; 2-Bromophenol; 2,3,5,6-Tetrachlorophenol; 2,3,5-Trichlorophenol; 4-Chloro-3-methylphenol; 2,4,5-Trichlorophenol; 4-Methylphenol, analytical standard; 2,4-Dimethylphenol; 2-Nitrophenol; 3-Methylphenol, analytical standard; Phenol; 2-Methyl-4,6-dinitrophenol; 2,3,4-Trichlorophenol; 2,6-Dichlorophenol; 2,3,4,5-Tetrachlorophenol
Ionic Liquid GC Column Option for the Analysis of Omega 3 and Omega 6 Fatty Acids
Compared to existing ‘wax’ columns, the SLB-IL60 column offers unique selectivity, some cis/trans resolution, and faster elution for the analysis of omega 3 and omega 6 fatty acid methyl esters.
GC Analysis of C2-C7 Free Fatty Acids on Nukol™
Separation of Propionic acid; Acetic acid; Heptanoic acid; Isobutyric acid; Valeric acid; Isocaproic acid; Butyric acid; Isovaleric acid
SupraSolv® GC Solvent Specifications
Our GC solvents have been specially developed and tested for ECD, FID and MS detection or for headspace gas chromatography to ensure accurate, reliable and reproducible analytical results.
Resolves Difficult Sample Matrix Problems
In the flavor and fragrance industry, analytical chemists are often required to isolate key ingredients, off-flavor components, or trace organic compounds from their sample matrices without altering their structure or composition.
The Utility of Headspace Grade Solvents for the Analysis of Organic Volatile Impurities
The Utility of Headspace Grade Solvents for the Analysis of Organic Volatile Impurities
Determination of N-Nitrosamines in Valsartan
Nitrosamines have been discovered as a serious contaminant group in active pharmaceutical ingredients (API) belonging to the sartan family. This article describes a GC-MS method for the determination of nitrosamines in Valsartan tablets according to US FDA guide lines that
Solid Phase Microextraction: Frequently Asked Questions
Answers and tips relating to the application of the solid phase micro-extraction technique.
SPME in the Analysis of Illicit Drugs
SPME is used in the analysis of amphetamine compounds by doing pre-extraction derivatization, and is also used in general determinations of other drugs of abuse.
Radiello Diffusive Sampler for Monitoring 1,3-Butadiene and Isoprene in Workplace Air
The manufacturing of elastomers makes wide use of 1,3-butadiene (CAS No. 106-99-0) and isoprene (2-methyl- 1,3-butadiene, CAS No. 78-79-5). Both compounds are classifi ed as carcinogenic by the International Agency for Research on Cancer (IARC). 1,3-Butadiene is currently listed in
Exactly Why is Low Bleed Important for Capillary Columns?
Exactly Why is Low Bleed Important for Capillary Columns?
Analysis of California Cannabis List of Pesticides, Mycotoxins, and Pyrethrins Using Ascentis® Express Biphenyl Column
Cannabis testing regulations include analysis of purity, potency, and contaminants. Learn more about analysis of cannabis for pesticides, mycotoxins, and pyrethrins registered in California using Ascentis® Express Biphenyl
Multiclass Pesticide Analysis of Soy Milk Using a Matrix-Compatible SPME Fiber
Pesticide analysis, SPME Fiber, supelco spme fiber, direct immersion spme, pesticide analysis methods, pesticide analysis by gc-ms, DI-SPME, overcoated SPME, overcoated fibers, soy milk analysis
SPME Fiber Performance Tips for Volatiles & Semi-Volatiles
Enhance the extraction capability of Supelco SPME fibers for the collection of volatiles, semi-volatiles and polar compounds. spme
Achieve Exceptional Resolution of PAHs, Including Several Isomer Sets Using SLB®-ILPAH Capillary GC Columns
SLB®-ILPAH is a special purpose column based on an ionic liquid stationary phase providing unique selectivity and efficient column dimensions allowing exceptional resolution of PAHs
Selecting the Appropriate SPME Fiber Coating –Effect of Analyte Molecular Weight and Polarity
Selecting the Appropriate SPME Fiber Coating –Effect of Analyte Molecular Weight and Polarity
Improved Recoveries and Lower Background for GC/MS/MS and LC/MS/MS Analysis of Pesticides in Green Tea
A procedure for cleanup of green tea extracts provides low background and allowed for the analysis of more pesticides at lower levels than QuEChERS. Uses less solvents and no toluene.
GC Analysis of Class 3 Residual Solvents on OVI-G43
Butyl methyl ether; Acetic acid; 2-Butanone; Ethyl acetate; Tetrahydrofuran; 1-Butanol; Isopropyl acetate; Heptane; Propyl acetate; 3-Methylbutanol; 4-Methyl-2-pentanone; Isobutyl acetate; Butyl acetate; Dimethyl sulfoxide; Anisole; Cumene
GC Analysis of Neroli Essential Oil on SLB®-5ms
GC Analysis of Neroli Essential Oil on SLB®-5ms
The Effect of Container Materials on Production of Light Induced Off-Flavors in Milk – A Study Using SPME-GC-MS
Various plastics used as barriers to the production of off-flavors in light exposed milk were examined using HS-SPME with a new Carboxen®/PDMS coated Nitinol fiber followed by GC-MS analysis allowing detection of low MW analytes at levels <1 ng/mL.
Analysis of Pesticides in Turmeric Powder by LC/MS/MS and GC/MS/MS after Cleanup with Dual-Layer SPE Cartridge
Pesticide residue testing of turmeric and other (dried) spices is challenging due to their complex compositions and high matrix. An efficient SPE clean-up can be achieved by a new Dual-layer cartridge.
GC/MS/MS Analysis of Bisphenol A (BPA) in a Fruit Flavored Energy Drink on the SLB-PAHms Column After SPME Using an Overcoated SPME Fiber
Bisphenol A (BPA) plastic is controversial in food and beverage containers. This study demonstrates SPME of BPA from an energy drink using an overcoated PDMS/DVB fiber, followed by GC/MS/MS analysis using SLB-PAHms GC Column.
GC Column Selection Guide
An optimized chromatographic separation begins with the column. Learn to select the proper capillary column based on stationary phase, column I.D., film thickness, and column length.
HPLC Analysis of Active Cannabinoid Compounds in Gummy Bear Candy on Ascentis® Express Biphenyl with UV Detection after Extraction
Tetrahydrocannabinolic acid A solution, 1.0 mg/mL in acetonitrile, ampule of 1 mL, certified reference material.
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