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Clarify your Samples
Analysis of complex formulations presents unique analyte and matrix challenges. In this example, 6 active ingredients in a commercially available topical sunscreen were qualitatively evaluated. The inherent challenges of this analysis were mitigated by the employment of adequate sample preparation and selection of the most relevant LC stationary phase.
Quickly choose the accessories for your cannabis testing needs. The guide offers products for LC, GC and Sample Prep.
Newest Applications for Cannabis Testing: Potency, Pesticides, Mycotoxins, Terpenes, Residual Solvents and More.
Access the latest LC-MS/MS applications for environmental testing including: - Pesticides / Herbicides - Perfluoroalkyl Substances (PFAS) - PPCP's and Hormones - Marine Toxins - Environmental Contaminants
The new Luna Omega SUGAR breaks ground as it combines the performance benefits of thermally modified fully porous particles with a novel HILIC stationary phase that excels at polar compound retention and selectivity. Improved carbohydrate retention and separation with novel HILIC selectivity. Enhanced lifetime with highly robust and efficient thermally modified fully porous particle. QC tested for sugars to ensure reliable quality.
In this technical note, two monoclonal antibodies are analyzed using sub-2 μm SEC columns using optimized mobile phase conditions. Modulation of the salt in the mobile phase showed improvements in peak shape and recovery.
Phenex syringe filters for sample clarification
Evaluating the sugar content of animal feed is important for providing proper nutrition and strong animal performance. Using the Luna Omega SUGAR column, the six sugars were fully resolved with better than baseline resolution. The gradient method also resolved an interference peak near fructose on the horse feed sample.
Sugar content testing is a commonly performed analysis in food laboratories. Determining sugar content is particularly important for milk where lactose is the main sugar present. While lactose is a significant energy source in milk, individuals who are lactose-intolerant have a lactase enzyme deficiency and cannot fully digest lactose. Using the Luna Omega SUGAR column, six sugars and one sugar alcohol were separated in ten minutes. Using the Luna Omega SUGAR column, we were able to analyze sugars in a variety of cow’s milk, lactose free milk, and infant formula.
You can never have too many accessory sidekicks to help you save your columns, defeat evil contaminated particles, and create less system maintenance downstream. Find your ideal sidekick today!
HPLC Column and System Protection Essentials/ Accessories
An extensive overview to display which solvents are chemically compatible with different types of Phenex membranes.
UHPLC Column and System Protection Essentials/ Accessories
In this tech note, we demonstrate an alternative approach for the dissolution test for Ibuprofen tablets which utilizes the chromatographic assay method for Ibuprofen tablets instead of the UV method outlined in the USP monograph for dissolution testing. With the use of an HPLC column for dissolution testing, the analysis time is less than 2 minutes. Column loading capacity has also been investigated in this study.
Filtration as sample preparation technique is useful to remove large particles before injection onto a column or it can be used to help filter samples before they undergo an additional sample preparation technique, such as supported liquid extraction (SLE) or solid phase extraction (SPE). This application displays the analysis of a ginger pill with and without proper filtration, as well as the subsequent carry over that results from an unfiltered sample.
Description:Phenex™ Pipet Tips, 100-5000µL, 24 tips/rack x 5 racks, Sterile, 120/Pk
Technique:General Lab Supply
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