64065-U
Ascentis® Express 90 Å Biphenyl (2.7 µm) HPLC Columns
L × I.D. 10 cm × 2.1 mm, HPLC Column
About This Item
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product name
Ascentis® Express Biphenyl Column, 2.7 μm particle size, L × I.D. 10 cm × 2.1 mm
material
stainless steel hardware
Quality Level
Agency
suitable for USP L11
product line
Ascentis®
feature
endcapped
manufacturer/tradename
Ascentis®
packaging
1 ea of
parameter
60 °C max. temp.
9000 psi max. pressure (600 bar)
technique(s)
HPLC: suitable
LC/MS: suitable
UHPLC-MS: suitable
UHPLC: suitable
L × I.D.
10 cm × 2.1 mm
surface area
135 m2/g
impurities
<5 ppm metals
matrix
particle platform (Fused-Core)
superficially porous particle
matrix active group
biphenyl phase
particle size
2.7 μm
pore size
90 Å pore size
operating pH
2-9
application(s)
food and beverages
separation technique
reversed phase
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General description
Legal Information
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Articles
An online SPE-LC/MS method has been developed for the rapid detection of thyroid hormones in human serum with minimal hands on effort and time-consuming steps.
Tetrahydrocannabinolic acid A solution, 1.0 mg/mL in acetonitrile, ampule of 1 mL, certified reference material.
The bonded, densely endcapped, dimethyl-biphenyl stationary phase of Ascentis® Express 90 Å Biphenyl, based on fused-core particles, provides a stable, reversed phase packing with enhanced π-π and mild steric interactions due to the two sequential phenyl groups bonded to the base silica.
Protocols
Potency testing in marijuana-infused edibles is an important problem that analytical labs are facing due to the complexity of the involved matrices. Concentration of active ingredients in these edibles can range from a few parts per million to 3.5 parts per thousand. This application demonstrates the extraction and HPLC-UV analysis of the active compounds.
Thyroid hormones play critical roles in the regulation of biological processes, such as growth, metabolism, protein synthesis, and brain development. For a clinical laboratory, fast and reliable measurements of total hormone levels are important for the diagnosis and monitoring of thyroid diseases.
Rapid potency testing of marijuana-infused edibles using LC/MS on a biphenyl stationary phase detected eleven cannabinoids.
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