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Enzymatic Assay of Urease from Jack Beans
To standardize a procedure for the enzymatic assay of Urease, from Jack Beans
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.
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.
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.
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
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.
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.
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
Determination of Fatty Acid Content in Infant Formula by GC/FID Using the SP-2560 Capillary Column per AOAC Method 2012.13
AOAC method 2012.13 was applied to the analysis of powdered infant formula for the identification and quantitation of all labeled fatty acids and fatty acid groups.
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).
Testing Food for Fipronil Contamination
Test your food for fipronil contamination using our analytical standards, certified reference materials, solvents, and columns for analysis.
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.
Analytical Method: Phosphorus (Total) in Dairy Products
Phosphorus (total) in dairy products - Photometric determination using the Phosphorus molybdenum blue method subsequent to acid mineralisation
Analytical Method for Determination of the Solution Color of Raw Sugars, Brown Sugars and Colored Syrups at pH 7.0 (According to ICUMSA Method GS1/3-7)
Method: Spectrophotometric Color Determination at 420 nm Zero adjustment For each measurement series, a zero adjustment is required. It is recommended to use the same cell for zero adjustment and for sample measurement. The zeroing procedure for the measurement series is automatically prompted by
Analytical Method: Urea in Milk (Photometry)
Photometric determination with Diacetyl monooxime in the sample clarified with Trichloracetic acid
Analytical Method: Nitrite in potato instant powder
Photometric determination using the Griess method subsequent to extraction
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.
Measuring Peroxidase in Milk
Application Note: Peroxidase in milk – Visual determination after conversion of a specific substrate
Enzymatic Galactose and Lactose Assay Protocol
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 and Lactose Assay Kit (MAK011). In this assay kit, galactose is
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.
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.
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
Reduce Matrix Background and Improve Overall Analyte Recovery for the Analysis of Pesticides in Beef Kidney
Supel QuE Z-Sep+ was successfully demonstrated for cleanup of beef kidney matrix, providing reduced background and less interference in the GC-MS analysis of the target pesticides
Enzymatic Method for Determining D-Sorbitol (D-Sorbitol Assay)
Assay protocol for the colorimetric detection of D-Sorbitol in samples using the D-Sorbitol assay kit.
Zinc (Total) in Beer Worts
Photometric determination subsequent to acid mineralisation with sulfuric acid and Perhydrol;
Complete Workflow for Comprehensive Cannabis Terpenes Analysis
Complete workflow for the comprehensive analysis of terpenes in cannabis
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.
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.
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