What is the formula for calculating the Rf value? 5. Calculate the Rf values of A, B, C. 20cm. 17cm. 8cm. 11cm. Page 4. 1. So it does not smudge and ruin the ... |
Оценка 3,8  (23) 3 нояб. 2014 г. · A sheet requiring students to calculate the Rf values for a series of chromatograms. Tes classic free licence |
Identify the four pigments as best you can using the reference Rf values. 5. Compare and contrast the calculated Rf values with the table of reference data. |
It links chromatography with particle theory and develops the tools of analogy and modelling. Downloads. Chromatography worksheet. PDF, Size 0.12 mb. |
Refer to the TLC and Rf values in your answer. 6. Experiment 5e a) Assign the commercial dye colours to their natural sources in the table below. Natural source. |
Calculate the Rf value for each dye showing all set-up work below. Record final Rf answers in the data table. Rf for the red dye. Rf for the yellow dye. Rf ... |
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