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.
We offer an extensive range of amino acids, resins, and reagents of unparalleled quality, including Novabiochem®, for peptide synthesis, high-throughput organic chemistry, labeling peptides, and custom manufactured products.
Pesticide residue testing of turmeric and other (dried) spices is challenging due to their complex compositions and high matrix. An efficient SPE clean-up can be achieved by a new Dual-layer cartridge.
ISOTEC® Stable Isotopes are stable isotope compounds, ranging from gases to complex molecules, that are useful for tracer studies in proteomics and metabolomics, agents for MRI / MRS, and in a wide range of other biomedical applications.
We offer a complete selection of Aldrich® chemistry glassware including a full range of standard beakers, flasks, tubing, reaction vessels, and chromatography columns as well as custom glassblowing services.
We offer an extensive portfolio of serological pipets and pipet controllers for molecular biology and cell culture, Pasteur and transfer pipets for general lab applications, volumetric pipets for titrations and analytical chemistry, and micropipette devices and pipette tips for your...
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.
Download the Periodic Table of the Elements with names, atomic mass and number in printable .pdf and image format. Use the periodic table chart by element names in alphabetical order for quick research, reference and lab use. From MilliporeSigma.
Our wide selection of HPLC columns for small and large molecule analysis allows you to enhance the separation process in terms of retention, resolution, selectivity, and analysis time, all while reducing the time for method development.
In principle, the seemingly simple formation of a peptide bond can be accomplished using all the procedures available in organic chemistry for the synthesis of carboxylic acid amides. However, due to the presence of various functional groups in natural and...
Samples for chromatographic purification should be clear and free from particulate matter. Simple steps to clarify a sample before beginning purification will avoid clogging the column, can reduce the need for stringent washing procedures, and can extend the life of...
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