answersLogoWhite

0

Measure the distance from your marked pencil line to the solvent front. Also measure the distance fomr the marked pencil line to the middle of the spot, and divide this by the first distance. This value will be between 0 and 1.

User Avatar

Wiki User

16y ago

What else can I help you with?

Continue Learning about Natural Sciences

What is the Rf value of any insoluble dye?

Since insoluble dyes do not move with the solvent front during chromatography, they do not have an Rf value. Rf values are only calculated for substances that show movement during chromatography.


What is the Rf value of 4-aminophenol?

The Rf value of 4-aminophenol depends on the specific chromatography conditions used. It is typically around 0.6-0.7 in most common chromatography systems.


What is the rf value of xanthaphyll?

The Rf value of xanthophyll can vary depending on the specific conditions of a given chromatography experiment. However, in general, the Rf value of xanthophyll is typically around 0.6 to 0.7 when using silica gel chromatography with acetone and hexane as the mobile phase.


What is Rf value?

Rf value, or retention factor, is a measure used in chromatography to quantify the separation of components in a mixture. It is calculated by measuring the distance a compound travels up the chromatography plate relative to the distance the solvent front travels. Rf value is specific to the solvent system and chromatography conditions used.


What is substance that have 0.803 Rf value?

The Rf value of a substance is a measure of its migration distance during chromatography. A substance with an Rf value of 0.803 would mean that it traveled 80.3% of the total distance from the origin to the solvent front during the chromatography process. The specific identity of the substance would depend on the experimental conditions and the properties of the compound.

Related Questions

What is an rf value used for?

The rf value is shorthand for the retention value of a substance. It is used in chromatography to determine the components of an unknown sample.


What is the Rf value of any insoluble dye?

Since insoluble dyes do not move with the solvent front during chromatography, they do not have an Rf value. Rf values are only calculated for substances that show movement during chromatography.


What is the Rf value of 4-aminophenol?

The Rf value of 4-aminophenol depends on the specific chromatography conditions used. It is typically around 0.6-0.7 in most common chromatography systems.


What is the relationship between polarity and RF value in chromatography?

In chromatography, the relationship between polarity and RF value is that compounds with higher polarity tend to have lower RF values. This means that polar compounds will move more slowly through the chromatography system compared to non-polar compounds.


What is the rf value of xanthaphyll?

The Rf value of xanthophyll can vary depending on the specific conditions of a given chromatography experiment. However, in general, the Rf value of xanthophyll is typically around 0.6 to 0.7 when using silica gel chromatography with acetone and hexane as the mobile phase.


What is Rf value?

Rf value, or retention factor, is a measure used in chromatography to quantify the separation of components in a mixture. It is calculated by measuring the distance a compound travels up the chromatography plate relative to the distance the solvent front travels. Rf value is specific to the solvent system and chromatography conditions used.


What do the Rf values indicate about the relative solubility of the pigment in the the solvent?

The Rf values do not indicate the solubility of a substance. The Rf value or retardation factor is the ratio of the distance traveled by the center of a pot to the distance traveled by the solvent front in chromatography.


How do you work out RF value?

Rf = distance to color/distance to front line


How do you measure Rf?

Rf value = distance traveled by a compound/distance traveled by a constant.Source: http://www.chemguide.co.uk/analysis/chromatography/paper.html


What is substance that have 0.803 Rf value?

The Rf value of a substance is a measure of its migration distance during chromatography. A substance with an Rf value of 0.803 would mean that it traveled 80.3% of the total distance from the origin to the solvent front during the chromatography process. The specific identity of the substance would depend on the experimental conditions and the properties of the compound.


What is the significance of the benzoic acid rf value in chromatography analysis?

The benzoic acid rf value in chromatography analysis is significant because it helps to identify and separate different compounds in a mixture based on their relative migration distances. By comparing the rf value of benzoic acid to other compounds, scientists can determine the purity and composition of a sample.


What is the RF value for 4-aminophenol?

The Rf value for 4-aminophenol is the distance traveled by the compound divided by the distance traveled by the solvent front. The Rf value can vary depending on the specific solvent system and conditions used in the chromatography experiment.