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Alcian Blue - H&E - Metanil Yellow Stain for Diagnosing Barrett's Esophagus
Alcian Blue - H&E - Metanil Yellow Stain for Diagnosing Barrett's Esophagus. Barrett's esophagus is a condition that can lead to adenocarcinoma.
Packing a Column and Performing a Separation with Sephadex® LH-20
This page shows how to perform a separation with a Sephadex LH-20 column from Cytiva which are Size Exclusion Chromatography media of polysaccharide network made from cross-linked hydroxypropylated dextran beads.
Histopaque® Density Gradient Media Troubleshooting Guide
This troubleshooting guide addresses the most common sources of error observed when using Histopaque but is not meant to be a comprehensive list.
Assay Procedure for Cholesterol Esterase
Protocol for Assay Procedure for Cholesterol Esterase
Performing a Separation with Superose
Superose from Cytiva are Size Exclusion Chromatography media consisting of a composite base matrix of dextran and agarose. This page shows how to perform a separation with a superose column.
Residual Analysis Optimized for Static Headspace GC Applications
Static headspace GC (GC-SH) is a technique used to concentrate volatile analytes prior to analysis. It can improve detection of low level volatile analytes and minimizes matrix interference by eliminating the need to inject the sample directly.
Selecting a GC Column for Specific Methods
We offer the Supelco portfolio of analytical GC columns, providing you the accuracy, precision and consistency you need.
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 Nitrogen and Nitrous Oxide on Carboxen®-1010 PLOT
Protocol for GC Analysis of Nitrogen and Nitrous Oxide on Carboxen®-1010 PLOT
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
Analytical Method: Aluminium (total) in effluents
Photometric determination with Chromazurole S subsequent to acid mineralisation; DIN decomposition
GC Analysis of FAMEs in Five Edible Oils (Canola, Lard, Palm, Soybean, and Sunflower Seed) on SLB®-IL111
GC Analysis of FAMEs in Five Edible Oils (Canola, Lard, Palm, Soybean, and Sunflower Seed) on SLB®-IL111
US EPA Method 8015 (modified): GC Analysis of Diesel Range Organics (DRO) on SLB®-5ms (20 m x 0.18 mm I.D., 0.18 µm), Fast GC Analysis
Separation of Decane; Dodecane; Tetradecane; Hexadecane; Octadecane; Eicosane; Docosane; Tetracosane; Hexacosane; Octacosane
GC Analyses of Free Fatty Acids
This article will discuss the analysis of free fatty acid.
Fast GC Analysis of Detailed cis/trans Fatty Acid Methyl Esters (FAMEs) on the 75 m SP™-2560 Capillary Column
Fast GC Analysis of Detailed cis/trans Fatty Acid Methyl Esters (FAMEs) on the 75 m SP™-2560 Capillary Column
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.
GC Analysis of a 37-Component FAME Mix on SP™-2560, Slower Oven Ramp
GC Analysis of a 37-Component FAME Mix on SP™-2560, Slower Oven Ramp
Converting From Linear Flow (cm/hour) to Volumetric Flow Rates (mL/min) and Vice Versa
This page shows how to convert between linear flow and volumetric flow rates in affinity chromatography.
Choosing the Proper Activated Alumina PLOT Column
The recent addition of Alumina sulfate and Alumina chloride columns to the Supelco family of GC capillary PLOT columns has prompted several customer inquiries on why we offer two alumina chemistries and how to chose between the two. We present
Millicup™-FLEX Disposable Vacuum Filtration Units and demo video
Millicup™-FLEX disposable vacuum filter was designed to reduce contamination and save time. The solvent-resistant unit allows for filtration into storage bottles.
GC Analysis of Permanent Gases and Light Hydrocarbons on Carboxen® -1006 PLOT
Protocol for GC Analysis of Permanent Gases and Light Hydrocarbons on Carboxen® -1006 PLOT
GC Analysis of Permanent Gases and Light Hydrocarbons on Supel-Q™ PLOT
Separation of Acetylene; Propyne; Propylene; Propane
Reverse Phased Chromatography (RPC) in Practice
In this section the practical aspect of Reverse Phased Chromatography ( RPC) is discussed including media and column selection and eluent selection and preparation.
GC Analysis of Xylene Isomers on SLB®-IL60
GC Analysis of Xylene Isomers on SLB®-IL60 - The cresol (methylphenol) isomers are also precursors to many chemicals. This chromatogram of a mix of aromatic and methylphenol compounds was generated using an SLB-IL60 ionic liquid column. Its interaction mechanisms allow
Using Fast GC and Column Selectivity to Optimize Trans FAME Analysis
Fast GC analysis is typically performed using short, 0.10 mm I.D. capillary columns with H2 carrier gas and rapid temperature programming rates. FAMEs can be analyzed with a variety of 0.10 mm I.D. columns, depending upon the information required.
US EPA Method 8015 (modified): GC Analysis of Gasoline Range Organics (GRO) on SLB®-5ms, Direct Injection
US EPA Method 8015 (modified): GC Analysis of Gasoline Range Organics (GRO) on SLB®-5ms, Direct Injection
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;
HPLC Analysis of Polyphenols in Nero d'Avola Red Wine on Discovery® HS C18 (UV 280 nm)
HPLC Analysis of Polyphenols in Nero d'Avola Red Wine on Discovery® HS C18 (UV 280 nm)
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