Zobrazeno 1 - 10
of 28
pro vyhledávání: '"M.E. Auerbach"'
Autor:
Clark A. Kelly, M.E. Auerbach
Publikováno v:
Journal of Pharmaceutical Sciences. 50:490-493
Since the introduction of phenylephrine, it has been used in combination with many other drugs. With some formulations it has been found useful to isolate the drug via a cationic exchange resin before determining the intact phenylephrine by the usual
Autor:
M.E. Auerbach, H. William Eckert
Publikováno v:
Journal of Biological Chemistry. 154:597-603
Publikováno v:
Poultry Science. 31:350-353
THE limited solubility of riboflavin in water, 12 mg. per 100 ml., has stimulated investigations towards producing biologically active derivatives which would have greater water solubility. These are desired for high potency pharmaceutical vitamin pr
Autor:
M.E. Auerbach, Edward L. Pratt
Publikováno v:
Journal of AOAC INTERNATIONAL. 51:752-755
Raceophenidol in feed at concentration levels intended for growth promotion of poultry can be estimated by a curvature inversion measurement related to the ultraviolet spectrum of derived p-methylsulfonylbenzaldehyde. The drug can be accurately measu
Autor:
Edward L. Pratt, M.E. Auerbach
Publikováno v:
Journal of AOAC INTERNATIONAL. 49:329-332
Raceophenidol in feed can be estimated by an ultraviolet spectrophotometric measurement of the derived p-methylsulfonylbenzaldehyde. The method, effective for measurement of raceophenidol in feed at medication levels greater than 0.002%, is based on
Publikováno v:
Journal of AOAC INTERNATIONAL. 43:301-304
Autor:
M.E. Auerbach, Murray M. Tuckerman
Publikováno v:
Journal of the American Pharmaceutical Association (Scientific ed.). 48:194-196
From a 1-ml. sample, total anesthetic is computed from the ultraviolet absorption of the extracted anesthetic bases in strongly acid solution. The minor constituent, tetracaine hydrochloride, is determined by simultaneously diazotizing the procaine a
Autor:
M.E. Auerbach
Publikováno v:
Journal of the American Pharmaceutical Association (Scientific ed.). 39:50-52
Phenylephrine may be converted to a highly colored compound by coupling with diazotized p-nitroaniline. Photometric determination of the color at 495 mμ constitutes a convenient assay method for the drug in pharmaceutical preparations.
Publikováno v:
Journal of pharmaceutical sciences. 51
A series of qualitative tests and quantitative methods are presented for mepivacaine hydrochloride. These data result from a cooperative laboratory study by research personnel of the drug firm and the American Dental Association. The methods chosen a
Publikováno v:
Journal of the American Pharmaceutical Association. American Pharmaceutical Association. 37(9)
Pure samples of gitoxin, digitoxin, and their aglucones have been prepared. An analytical method has been devised for the determination of the proportion of digitoxin and gitoxin plus gitalin in a mixture. The principle involved depends upon the colo