LCMS & HPLC Mobile Phases LCMS and HPLC Additives 5 HPLC Grade Solvents 5 LCMS Grade Solvents 3 Protein Modifiers GC Derivatization Reagents Buffers & Solvents Beta Glucuronidase 2 Bestsellers LCMS Grade Water $39.00 LCMS Grade Acetonitrile $73.00 LCMS Grade Methanol $74.00 Subscribe...
LCMS Grade Formic Acid Package Sizes: 10 x 1 mL and 25 mL Product Numbers: 11202-10x1 or 11202-25 Product Name: LCMS Grade Formic Acid Alternative Names: LCMS Formic Acid; Formylic Acid; Methanoic Acid; Hydrogencarboxylic acid; Hydroxy(oxo)methane; Aminic acid; Oxomethanol; Oxocarbinic ...
(NDPhA). Methanol and acetonitrile (LC grade) were bought from Sigma Aldrich Chemicals (St. Louis, MO, USA). Formic acid and ammonia (MS grade) were purchased from Aladdin (Shanghai, China). PTFE membrane filters (0.22 μm) were purchased from Anpel Laboratory (Shanghai, China). ...
The same amount of methanol was added to the control, ascorbic acid. Afterward, it was allowed to remain in the dark at room temperature for 10 min, following which the absorbance was taken at 517 nm. The percentage inhibition of the DPPH radical was obtained from the following Equation (1...
The same amount of methanol was added to the control, ascorbic acid. Afterward, it was allowed to remain in the dark at room temperature for 10 min, following which the absorbance was taken at 517 nm. The percentage inhibition of the DPPH radical was obtained from the following Equation (1...