Concepedia

A Photoelectric Spectrophotometer Suitable for the Measurement of Vitamin A by the Antimony-Trichloride Reaction

S. Y. Thompshon

British Journal Of Nutrition · 1949 · 26 citations · 15 references

DOIFull text

Open access

Concepts

Abstract

The measurement by visual methods of the fleeting blue colour of vitamin A in the antimony-trichloride reaction presents considerable difficulties which can be largely overcome by the use of photoelectric methods with corresponding increase in accuracy.

References

15

The Conversion of β-Carotene to Vitamin A in the Intestine

S. Y. Thompson, J. Ganguly, S. K. Kon · British Journal Of Nutrition · 1949 · 164 citations · Full text

, , +11

Photoelectric Spectrophotometry. An Apparatus for the Ultra-violet and Visible Spectral Regions: Its Construction, Calibration, and Application to Chemical Problems

T. R. Hogness, F. P. Zscheile, A.E. Sidwell · The Journal of Physical Chemistry · 1937 · 121 citations

, , +8

The determination of vitamin A with the photoelectric colorimeter

William John Dann, Kenneth A. Evelyn · Biochemical Journal · 1938 · 110 citations · Full text

, , +10

A Study of the Composition of Sow's Milk

R. Braude, M. E. Coates, K. M. Henry et al. · British Journal Of Nutrition · 1947 · 87 citations · Full text

, , +9

THE DETERMINATION OF VITAMIN A AND CAROTENE WITH THE PHOTOELECTRIC COLORIMETER

C. J. Koehn, W. C. Sherman · Journal of Biological Chemistry · 1940 · 69 citations · Full text

, , +10