Webcalculate the retardation factor (Rf) using the following equation: Rf = Record your results in a table. Compare these to the values in table 1: were your answers correct? Explanation … Web4. The literature gives Rf values of 0.61 and 0.49 for pheophytin a and pheophytin b. Use these values to help identify which spots are due to those compounds. Use the pure …
Calculating Rf values to identify pigments
WebFormula to Calculate the Rf Value. The Rf value of a compound is equal to the distance traveled by the compound divided by the distance traveled by the solvent front. Example 1: … WebRf value range Relative position; Carotene: 0.89-0.98: Very close to the solvent front: Pheophytin a: 0.42-0.49: Below the top yellow, above the greens: Pheophytin b: 0.33-0.40: … creek planet school rating
Pheophytin a C55H74N4O5 - PubChem
Webthat chlorophyll and some of its derivatives such as pheophytin from seaweed have biological activities as antioxidants, anti-inflammatory, and neuroprotective [2,3]. One of … WebPheophytin Rf= 4.13/4= 0. ★ 100: DFB= 4. DFB = 4. Chlorophyll a Rf= 3.5/4= 0. Chlorophyll A Green Chlorophyll B Light Green Pheophytin A Grey Pheophytin B Not Visible Xanthophylls … Web3 Column Chromatography Column chromatography involves the separation of compounds by the same mechanism as other chromatographic techniques, i.e. differences in … creek planet school hyderabad fees structure