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Purification of Extracellular Vesicles with Eshmuno^® Q Resin and Natrix^® Q Membrane

Separation and purification of subpopulations of extracellular vesicles (EVs) using Eshmuno® Q anion exchange resin and Natrix® Q membrane chromatography.

Allergenic Fragrance Testing – Certified Materials

IFRA method introduces new CRMs for allergenic fragrances, analyzed by GC with ionic liquid capillary column for selectivity.

Analysis of Alkylphenols Using New Internal Standards

Alkylphenols are used in various industries like paper manufacturing and pesticide formulations.

FAME Standard for Optimizing GC System Performance

Fast and Reliable Environmental Analysis of Aldehyde and Ketone Air Pollutants

Aldehydes and ketones are ubiquitous air pollutants. Along with esters and ethers, they are major components of indoor air pollution and are therefore important for industrial hygiene applications.

Hydrocarbon Oil Index in Samples

Special mineral oil standard mixtures are gravimetrically produced for calibration.

GC Analysis of a 37-Component FAME Mix on SP™-2560, Slower Oven Ramp

GC Analysis of Glycerides in Coconut Oil (Organic, Extra Virgin) on SLB-35ms

Separation of T30; T36; T42; T48

GC Analysis of Grob Test Mix SLB IL76i

GC Analysis of Grob Test Mix on SLB®-IL76i

GC Analysis of Sweet Orange Essential Oil on SLB®-5ms (10 m x 0.10 mm I.D., 0.10 µm), Fast GC Analysis

GC Analysis of Sweet Orange Essential Oil on SLB®-5ms (10 m x 0.10 mm I.D., 0.10 μm), Fast GC Analysis

GC Analysis of Water (100%Standard) on Watercol™ 1460

Separation of Water

Improved Resolution of Benzene, Other Aromatics and Oxygenates in Reformulated Gasoline Using a One-Column Approach

The SLB-ILD3606 column is able to resolve benzene and toluene from oxygenates (alcohols, ketones, ethers) and the aliphatic portion of gasoline.

MET-Biodiesel Capillary GC Column

B100 biodiesel analysis of free glycerin & total glycerin by Gas Chromatography using the Supelco MET-Biodiesel capillary gc column for ASTM D6584 & EN 14105

GC Analysis of Natural Gas (GPA Method 2261)

Packed columns for natural gas BTU determination as per GPA and ASTM methods, ensuring accurate measurements in gas processing.

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.

MSTFA/MSTFA-d9 Derivatization of Amphetamine for GC/MS Detection and Identification

Example displays how MSTFA/MSTFA-d9 derivatization of amphetamine provides valuable information in mass spectra and chromatograms using SLB-5ms GC column.

OSHA Method 52: GC Analysis of Formaldehyde on SUPELCOWAX 10 After Collection/Desorption Using ORBO-24

Separation of Formaldehyde solution

Residual Analysis for Static Headspace GC Applications

Static headspace GC (GC-SH) concentrates volatile analytes for improved detection and minimizes matrix interference.

Selecting GC Columns by Industry or Application

Conveniently categorized GC columns by industry and application simplify selection process for routine use.

Ammonium in Effluents

Step-by-step method describing the photometric determination of ammonium ions in effluents using Spectroquant® test kits and spectrophotometer.

Analytical Method: Analytical Quality Assurance, Standard for Chlorine dioxide

Preparation of a standard solution for Chlorine dioxide acc. to DIN EN ISO 7393

Analytical Method: Analytical Quality Assurance, Standard for COD/Chloride

Preparation of a standard solution for COD/chloride

Analytical Method: Analytical Quality Assurance, Standard for Formaldehyde

Preparation of a standard solution for Formaldehyde

Photometric Determination of Ammonium in Manure

Learn about the photometric determination of ammonium ions in manure samples by indophenol blue method using Spectroquant ® test kits and spectrophotometer.

Analytical Method: Potassium in Soils

Turbidimetric determination subsequent to extraction with CAL buffer analogous LUFA.

Reflectometric Determination of DL Lactic Acid in Dairy Products

Quick and accurate analysis of D- and L-lactic acid in dairy products using Reflectoquant® Lactic Acid Test upon reaction with lactate dehydrogenase (LDH).

Reflectometric Determination of DL Lactic Acid in Vegan Yogurt

Rapid analysis of DL-lactic acid in vegan yogurt using the Reflectoquant® Lactic Acid Test, and enzymatic reaction with Lactate Dehydrogenase (LDH).

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.

Removal of Detergents from Biological Product Matrices

The Amberlite™ XAD-4 resin used in Porozorb™ cartridges is a proven technology that is highly effective in removing various detergents from cell culture media for biopharmaceutical applications such as vaccine production.

Column Packing & Separation with Sephadex® LH-20

Separation using Sephadex LH-20 column for Size Exclusion Chromatography media in polysaccharide network from Cytiva.

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