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LC/MS Analysis of Lactic Acid Enantiomers in Urine on Astec® CHIROBIOTIC® R

LC/MS Analysis of Lactic Acid Enantiomers in Urine on Astec® CHIROBIOTIC® R application for HPLC

Materialien

Analytische Säule

Produkt-Nr.
Beschreibung
Preisangaben

Astec® Chirobiotic® R Chiral HPLC Column

5 μm particle size, L × I.D. 15 cm × 2.1 mm

Komponente der mobilen Phase

Produkt-Nr.
Beschreibung
Preisangaben

Ammoniumacetat

LiChropur, eluent additive for LC-MS

Standard

Produkt-Nr.
Beschreibung
Preisangaben

D(−)-Milchsäure

≥90%

L-(+)-Milchsäure

analytical standard

CONDITIONS

column

Astec CHIROBIOTIC R, 15 cm x 2.1 mm I.D., 5 μm particles (13019AST)

mobile phase

[A] 33.3 mM ammonium acetate; [B] acetonitrile; (15:85, A:B)

flow rate

0.7 mL/min

column temp.

4 °C

detector

(-)ESI

injection

20 μL

sample

Urine extracts in 5% (v/v) acetic acid, 10% (v/v) H2O and 85% (v/v) acetonitrile

Beschreibung

Hinweis zur Analyse

Chromatogram supplied courtesy of H. Henry and associates at the Clinical Chemistry Laboratory, Centre Hospitalier Universitaire Vaudois, University of Lausanne, CH-1011, Switzerland. View the related full-length contributed article in Reporter 30.1.

Sonstige Hinweise

Reference: Biomed. Chromatogr. 2011 "Sensitive determination of D-lactic acid and L-lactic acid in urine by high-performance liquid chromatography–tandem mass spectrometry" H. Henry, N. Marmy Conus, P. Steenhout, A. Béguin and O. Boulat, Published online in Wiley Online Library, wileyonlinelibrary.com/journal/bmc.

Rechtliche Hinweise

Astec is a registered trademark of Merck KGaA, Darmstadt, Germany
CHIROBIOTIC is a registered trademark of Sigma-Aldrich Co. LLC