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Determination of Bisphenol A in Drinking Water
A comprehensive sample preparation and analytical procedure was developed by Supelco for determining BPA in drinking water.
Analysis of Polychlorinated Biphenyls in Fish Oil Using Supelclean™ EZ-POP NP, Silica Gel SPE, and an SLB®-5ms GC Column
Polychlorinated biphenyls (PCBs) were once widely used in many industrial and commercial applications such as insulating fluids, dielectrics, and lubricants. This included their extensive use in electrical transformers. PCB use has been banned in many countries, and the Stockholm Convention
Enzymatic Assay of Urease from Jack Beans
To standardize a procedure for the enzymatic assay of Urease, from Jack Beans
Measuring Peroxidase in Milk
Application Note: Peroxidase in milk – Visual determination after conversion of a specific substrate
Better Tools for Fast and Convenient Patulin Analysis
For a precise detection of patulin, we offer SPE cartridges for purification and a comprehensive range of analytical standards.
Food & Beverage Analysis: Sugars & Saccharides
Simple sugars using hydrophilic interaction chromatography (HILIC): Chromatographic analysis of simple sugars can be challenging because these compounds are highly polar, uncharged, and lack a chromophore. The preferred mode of HPLC separation is HILIC because it provides the advantage of
Sulfur Dioxide in Beer
Spectrophotometric determination of Sulfur Dioxide (SO2) in Beer with Elimann's reagent. Analytical method and sample preparation for Spectroquant® Sulfite Test.
Improved Determination of Volatile Organic Compounds in Water by SPME and GC/MS: ISO Standard 17944
High performance, reliability, and reproducibility of HS-SPME in combination with GC/MS for the determination of VOCs in water was proven in an interlaboratory trial. The new ISO 17943 using HS-SPME is an improvement on existing official methods for this determination
Complete Workflow for Comprehensive Cannabis Terpenes Analysis
Complete workflow for the comprehensive analysis of terpenes in cannabis
Headspace SPME-GC/MS Analysis of Terpenes in Hops and Cannabis
Terpenes are present in essential oils derived from plants and often impart characteristic aromas to the plant or its oil. The SPME is a convenient, efficient, and easy to automate sample preparation technology for analyzing the terpene/terpenoid profile of these
Analysis of Active Cannabis Compounds (Cannabinoids) in Edible Food Products: Gummy Bears and Brownies
Rapid potency testing of marijuana-infused edibles using LC/MS on a biphenyl stationary phase detected eleven cannabinoids.
Cannabis Terpene Analysis by Headspace SPME GC/MS
High-resolution profiling of terpenes and terpenoids to identify fragrance compounds and distinguish hops and cannabis varieties using SPME-GC/MS.
Veterinary Drug Residues
The use of veterinary drugs may be integral to the process of raising food producing animals and fish. These can include antibiotics, hormones, and steroids.
Enzymatic Food Analysis
Enzymatic methods for food analysis are highly specific and offer considerable time and cost savings over other methods, especially from the sample preparation standpoint. We offer a wide variety of convenient kits and reagents for rapid and reliable enzymatic food
Determination of Additives in Beverages Using Ascentis® Express Columns
RP-Amide and HILIC, both amenable to the analysis of polar compounds, were successfully used to resolve several beverage components, including sugars, vitamins, sweeteners, preservatives, and caffeine.
GC Analysis of Fatty Acids in Walnuts and Peanuts
Determination of the fatty acid composition of nuts using established methods for GC analysis on capillary columns of 3 selectivities: Omegawax, SP-2560, and ionic liquid based SLB-IL111.
Extraction and Analysis of PAHs from Grilled Hamburger
A QuEChERS approach was effectively used to extract PAHs from grilled hamburger meat; the SPB-608 GC column provided the selectivity necessary to resolve all but one isomeric set.
Analysis of Residual Solvents in Hemp Extract by Headspace SPME-GC/MS
The use of solid phase microextraction (SPME) allowed for the straightforward, fast, sensitive, and accurate GC/MS determination of the residual solvent content of spiked and unspiked samples of hemp extract.
Testing Food for Fipronil Contamination
Test your food for fipronil contamination using our analytical standards, certified reference materials, solvents, and columns for analysis.
Analytical Method: Nitrite in potato instant powder
Photometric determination using the Griess method subsequent to extraction
Zinc (Total) in Beer Worts
Photometric determination subsequent to acid mineralisation with sulfuric acid and Perhydrol;
Analytical Method: Urea in Milk (Photometry)
Photometric determination with Diacetyl monooxime in the sample clarified with Trichloracetic acid
Sucrose (Saccharose) in Soft Drinks
A step-by-step description of the reflectometric determination of sucrose (saccharose) in soft drinks using Reflectoquant® test strips and reflectometer, ideal for in-process control and on-site testing.
Enzymatic Method for Determining Galactose (Galactose Assay)
This assay protocol is suitable for the colorimetric/fluorometric detection of Galactose and Lactose in cell and tissue culture supernatants, urine, plasma, serum, and other biological samples using the Galactose Assay Kit.
Development of a Method for Analysis of Phthalate Esters in Vegetable Oils
Rapid, easy, sensitive method for the anaysis of PAEs, using LLE and direct immersion SPME, demonstrated good accuracy, repeatability, linearity and LOQ.
Analysis of Aflatoxin B1, B2, G1, and G2 in Corn Meal, Wheat Meal, and Raw Peanut Paste Matrices
Supel™ Tox AflaZea SPE cartridges provide exceptional cleanup of corn meal, wheat meal, and raw peanut paste, yielding high analyte recoveries and low %RSD for aflatoxin analysis.
Fast Extraction and Low Level Detection of Chloramphenicol in Shrimp
A highly selective and sensitive analytical method was developed for chloramphenicol using a QuEChERS type sample preparation approach and LC-MS/MS detection.
Quantifying Picogram Concentrations of Aflatoxin M1 in Liquid Milk Using SPE Cleanup and LC/MS Analysis
Fast method for the cleanup, analysis, and quantification of aflatoxin M1 in milk samples to EU regulatory standards (0.025 μg/kg).
Analysis of Vitamin D in Milk and Infant Formula using UHPLC/MS/MS per AOAC Method 2011.11
While quantitative analysis was performed for Vitamins D2 and D3, the samples were scanned for the presence of the 25-hydroxy metabolites.
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