Merck
Search Within
Applications
Content Type

facet-search

Applied Filters:
Applications:Chemical analysis
Content Type:Technical Article
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
Ion Chromatography for Sugar Testing in Food and Environmental Analysis
In this article we demonstrate how well ion chromatography is suited as an analytical technique for sugar analysis e.g. in apple juice, milk, and dust samples.
Heavy Metal Analysis of Cannabis sativa by ICP-MS and the Need for Proper Sample Homogenization
A 4-step comprehensive ICP-MS workflow including sample homogenization, with standard addition calibration method, to determine heavy metals in Cannabis sativa.
Neonicotinoids Pesticides and Metabolites
Neonicotinoids have established themselves as key components in insecticides because of their unique selectivity. The mode of action is similar to nicotine.
Measuring Chemical Oxygen Demand in Water Treatment Facilities
We are a global leader in the life science industry and have produced test kits to measure numerous analytes. Water Online spoke with us about advances in measuring chemical oxygen demand.
Quantification of Methylglyoxal in Manuka Honey - A Simple HPTLC Based Approach
High-Performance Thin-Layer chromatography (HPTLC) quantification of methylglyoxal (MGO) in complex and matrix rich manuka honey offering quick sample preparation, high-matrix tolerance, and high-throughput.
Analysis of Fats (Fatty Acids, FAMEs, Glycerides) in Food and Beverages
This article explores the analysis of fats in food and beverage products. From derivatization of fatty acids to FAMEs, to analysis of FAME isomers, and more we are your one-stop shop for all of your food and beverage analysis needs.
Drinking Water Testing by Ion Chromatography using Ultrapure Water
This study reviews the suitability of ultrapure water for the IC analysis of drinking water. Inorganic ions and disinfectant by-products (DBPs) were assessed.
Chiral GC Analysis of Carvone Enantiomers in Essential Oils
In this study we demonstrate the separation of D- and L-carvone enantiomers in samples of caraway seed, dill seed, native spearmint and scotch spearmint essential oils using an Astec CHIRALDEX G-TA capillary GC column.
Inorganic elemental impurity mixes according to ICH Q3D guidelines
In 2009, the International Conference on Harmonization (ICH) proposed the development of a new harmonized guideline to provide a global policy for limiting metal impurities in drug products and ingredients. This approach provides clear regulatory guidance on specification limits for
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.
SPME-GC-MS Determination of Phthalate Esters in Ramen Noodle Flavor Packets
A sensitive, quantitative, and reproducible SPME-GC/MS procedure was developed by Supelco for the extraction of phthalate esters from oily food matrices, such as the flavored oils included with ramen noodle kits.
Detecting heavy metals in food and beverages
Testing for heavy metals in food and beverages? You understand that prolonged trace exposure to heavy metals such as arsenic (As), cadmium (Cd), chromium (Cr), lead (Pb), mercury (Hg), and thallium (Tl), via the food, beverages and drinking water we
ICP-MS Analysis of Heavy Metals in Hemp Containing Food Samples
A comprehensive workflow for the analysis of 12 heavy metals, including the “big four”, in five hemp containing food samples by inductively coupled plasma-mass spectrometry (ICP-MS) utilizing the standard addition calibration method.
Vanilla – Natural or Out of the Reaction Flask
Being one of the most popular flavors, we present a HPLC fingerprint method and vanilla extract reference materials to help distinguish natural from synthetic or adulterated vanilla.
Extractables Study with LC-UV/MS
Reliable identification and quantification of unknown extractables of a single-use system (SUS) with a 21 component CRM mix for liquid chromatography (LC-UV/MS) methods using Ascentis® C18 column.
Applications of Newly Developed 2.7 μm Porous Graphitic Carbon Particles in U/HPLC
Polar graphitic carbon (2.7 μm) based Ultra/High-performance liquid chromatographic separation of four highly polar pesticides, two polar herbicides―paraquat & diquat, and Vitamin D and its metabolites.
Analysis of Lactose in Milk by HPLC-RI using Chromolith® NH2 Column
A new HPLC-RI method is proposed for the analysis of Lactose in milk using a Chromolith® NH2 column.
Beverage Testing with the MQuant® StripScan Mobile App
MQuant® StripScan mobile app for measuring the pH of orange juice samples and nitrate concentration of mineral water samples.
pH of Milk and Milk Products
An easy-to-use, economical, and smartphone-based reliable pH determination of milk and milk products using the MQuant® pH test strips and the MQuant® StripScan App.
Validation of a Simple Method for the Alcohol Content in Kombucha Tea by Headspace SPME and GC-MS
Development and validation of a headspace SPME and GC-MS method to determine alcohol content in twenty different Kombucha tea samples.
Functional Foods
Beyond meeting essential nutritional needs, functional foods promote better health by reducing the risk of chronic disease such as coronary heart disease and cancer, improving cognitive health, and managing weight.
A Comparison of Two Solid Phase Extraction Methods for the Analysis of Polyaromatic Hydrocarbons in Butter
Analysis of PAHs in butter can pose a special challenge due to the high fat content and the lipophilic nature of PAHs.
Improve Pigment Removal and Decrease Matrix Interferences for Pesticide Determination in Oranges Using Supel QuE Z-Sep/C18 QuEChERS Sorbent
The comparison of Supel™ QuE Z-Sep/C18, PSA/C18, and PSA QuEChERS sorbents, in terms of color removal and analyte recovery, is described for the cleanup of oranges prior to pesticide analysis.
200 Meter GC Columns for Detailed Analysis of cis/trans FAME Isomers
The SP-2560/SLB-IL111 column pairing allows for comprehensive and accurate (qualitative and quantitative) determinations of saturated and trans fatty acids.
Nitrate in Vegetables
Step-by-step method describing the reflectometric determination of nitrate levels in various vegetables after reduction to nitrite and detection with Griess reagent using Reflectoquant® system and test strips.
Aminoglycoside Analysis in Pork Muscle using Molecularly Imprinted Polymer Cleanup and LC/MS/MS Detection
Extraction and quantitative analysis of aminoglycosides in porcine tissue, using molecular imprinted polymer solid phase extraction followed by LC-MS/MS.
SPE Cleanup of Wheat Extracts Prior to the HPLC Analysis of the Mycotoxin Deoxynivalenol
Supel Tox DON SPE cartridges required fewer process steps and fewer reagents than the IAC cleanup method for wheat matrix samples prior to HPLC analysis.
Carbohydrate Analysis III
A key resource feature at our Enzyme Explorer section of biochemicals is "Enzymes for Carbohydrate Analysis and Digestion." Offering kits, reagents, analysis, lists of enzymes related to PTM and carbohydrate metabolism.
Foodborne Pesticide Analysis: Going Beyond the Dirty Dozen
Get a better understanding of the various global regulations around pesticide analysis in food science and the right product for each method. Discover pesticide residue tests and applications from Fipronil for eggs to pesticides in cannabis.
Page 1 of 2
Page 1 of 2