Examples of 'rf value' in a sentence
Meaning of "rf value"
rf value: a term used in chromatography to indicate the relative distance traveled by a compound in comparison to the solvent front
How to use "rf value" in a sentence
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rf value
Calculate the Rf value of each spot.
Changing solvent conditions will subsequently change the Rf value.
The Rf value for each spot visualized was calculated and recorded.
The elution solvent system used is given in the parentheses following the Rf value.
TLC Rf value detected with a conc.
Standard curves are determined by plotting the log molecular weight against the Rf value.
Again, the Rf value is calculated as described above.
The title compound is identified from the residue on the basis of the Rf value.
If each Rf value matches a known sample, that is an indication of the unknown 's identity.
A spot of elongate shape is observed whose Rf value is shown in Table 1.
One major spot with Rf value 0.4 migrated to the same position as synthetic HHL Fig.
The product band is detected under UV irradiation at an Rf value of 0.3.
A trace impurity with an Rf value of 0.5 was also apparent in the product.
A positive reaction with ninhydrin was obtained at an Rf value of 0.83.
The product has an Rf value of 0.85 and stains black with ninhydrin.
See also
The desired ninhydrin reactive, phosphate containing material migrated with an Rf value of 0.637.
The pure compound has an Rf value of 0.54 in the former basic system.
Fractions containing the product at Rf value of 0.3 were collected.
The fractions with Rf value of 0.1 were combined and evaporated to dryness, then freeze-dried.
The desired lactone typically appears at an Rf value of 0.33 under the above conditions.
With this TLC system, the Rf value for a synthetic standard of PAF was approximately 0.33.
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