Absorbance measurements were performed in an UV-Vis spectrophotometer at wavelength 517 nm. Catechin and 3 mL of HPLC-grade methanol were used as controls. Solutions of the chloroform fraction were ...

Phenobarbital reference substance (Lot J) and phenytoin (Lot J0E090) as internal standard (IS) were purchased from U.S. Pharmacopeia (USA). HPLC grade acetonitrile, methanol and tert-butyl methyl ...

Methanol’s ability to form hydrogen bonds allows it to dissolve many organic compounds. Methanol is commonly used to prepare standard solutions for HPLC analysis of CBD. This is following AOAC ...

However, a new kid on the block can potentially compete with electric and hydrogen-powered vehicles. This new fuel, methanol, is now on the rise as a promising candidate for this role. Methanol could ...

1 Department of Catalysis and Chemical Reaction Engineering, National Institute of Chemistry, Ljubljana, Slovenia 2 Department of Analytical Chemistry, National Institute of Chemistry, Ljubljana, ...

The first step included 5-min incubation in a buffer consisting of chloroform, methanol, and water (65:25:4, v/v/v), followed by 2 × 17 min ... All samples were filtered with Phenex RC syringe filters ...