[Analytical studies of phenothiazine derivatives. IX. Gravimetric and spectrophotometric determination using phosphotungstic acid].
1972
J Blazek, and
M Trávnícková
UI
MeSH Term
Description
Entries
D010640
Phenothiazines
Compounds containing dibenzo-1,4-thiazine. Some of them are neuroactive.
D013053
Spectrophotometry
The art or process of comparing photometrically the relative intensities of the light in different parts of the spectrum.
D013329
Structure-Activity Relationship
The relationship between the chemical structure of a compound and its biological or pharmacological activity. Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups.
A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel; manufacture of filaments for incandescent light bulbs; and in contact points for automotive and electrical apparatus.