specific rotation

The specific rotation of the sample may then be calculated.

A jump in the air in which a split is achieved, rather than any specific rotation.

The values of specific rotation are small and are usually within 1 .

This difference is a characteristic of the material (for substances in solution, it is given as the specific rotation).

The specific rotations and melting points obtained by these chemists are as follows:

Two enantiomers have equal and opposite specific rotations.

This dependence of specific rotation on wavelength is called optical rotatory dispersion.

The formal unit for specific rotation values is deg dmcm g but scientific literature uses just degrees.

(See comments about the specific rotation below, under "Modern Chemical Studies").

Mutarotation was discovered by Dubrunfaut in 1846, when he noticed that the specific rotation of aqueous sugar solution changes with time.

One of the most important physical properties that is used to study anomers is the specific rotation, which can be monitored by polarimetry.

And that gives you, something called, specific rotation which will be a constant for those conditions indicated and for that substance.

Dextrorotary compounds have a positive specific rotation, while levorotary compounds have negative.

The specific rotation of a pure material is an intrinsic property of that material at a given wavelength and temperature.

Many chemicals exhibit a specific rotation as a unique property (like refractive index in many cases) which can be used to distinguish it.

The common criterion for enantiomeric homogeneity is the specific rotation, [α].

In cases of very small or very large angles, one can also use the variation of specific rotation with wavelength to facilitate measurement.

The α and β anomers are diastereomers of each other and usually have different specific rotations.

The specific rotation angle of the polarization plane caused by the natural optical activity is defined by the relation:

Samples that display specific rotations that can be calculated for purity with a polarimeter include:

Modern values for the specific rotation of the enantiomers of coniine, and their hydrochloride salts are as follows:

By the same token, if the specific rotation of a sample is already known, then the concentration and/or purity of a solution containing it can be calculated.

A standard measure of the degree to which a compound is dextrorotary or levorotary is the quantity called the specific rotation [α].

Cryptochirality in stereochemistry is a special case of chirality where due to the electronic properties of the chiral molecule its specific rotation is non-measurable.

Specific rotation is calculated using either of two equations, depending on whether the sample is a pure chemical to be tested or that chemical dissolved in solution.