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App Notes

Results 1181–1190 of 1444

Molecular weight determination of Gelatin

| Contributed by PSS

Reproducible and easy-to-use GPC/SEC analysis for all types of Gelatins can be done using a SECcurity GPC system, PROTEEMA columns and WinGPC UniChrom software.

Accurate Mass Analysis of Hydraulic Fracturing Waters: Identification of Polyethylene Glycol Surfactants by LC/Q-TOF-MS

| Contributed by Agilent Technologies

A combination of UHPLC followed by LC/Q-TOF-MS was used to detect suites of polyethylene glycol compounds (PEGs) that occur in flowback water samples from hydraulic fracturing.

LC-MS analysis of vitamin D2/D3 in human plasma and serum

Analysis and quantification of vitamin D2/D3 metabolites 25-hydroxyvitamin D2/D3 in two human plasma and serum samples via reversed phase LC-MS/MS.

On-line Quality Control Measurements in Varying Conditions

| Contributed by Ocean Optics

With the use of a new generation of robust, repeatable and stable instrumentation, manufacturers can more easily assess sample quality under rigorous conditions. In this application note, we investigate the thermal stability of a spectrometer system for process line transmission measurements at different temperatures.

Polymer-based Reversed Phase C18 HPLC columns for modern applications.

| Contributed by Shodex

Asahipak ODP series.

Allergen Detection in Wine by Micro Flow Liquid Chromatography Tandem Mass Spectrometry microLC-MS/MS

| Contributed by SCIEX

A rapid, robust, sensitive and specific LC-MS/MS assay has been developed for the simultaneous detection of milk and egg proteins in white wine.

Simultaneous Analysis of Chloramphenicol and Tetracycline Antibiotics in Food Samples Using the AB SCIEX Triple Quad™ 3500 System

| Contributed by SCIEX

Utilizing liquid chromatography with tandem mass spectrometry (LC-MS/MS) to analyze for antibiotic residues in a food samples offers many benefits to routine food testing labs

Master Your Data to Get to the Answer, View Results with Ease and Confidence

| Contributed by SCIEX

Using TripleTOF® Technology and MasterView™ Software to Quickly Identify Unknown Compounds

Advanced Data Acquisition and Data Processing Workflows to Identify, Quantify and Confirm Pesticide Residues

| Contributed by SCIEX

Pesticides are widely used in agriculture to protect crops and to improve efficiency of production. Pesticide residues may pose a potential threat to human health.

Veterinary Drug Residues in Food

| Contributed by YMC

The levels and presence of veterinary drug residues in food of animal origin are legislated in the EU with limits often varying with the drug residue.

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