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Potentiometric and volumetric determination of 6-mercaptopurine
(Springer-Verlag, 1990)
Three methods for the determination of 6-mercaptopurine in the pure state and in tablets are described. One method is based on the reaction of this compound with silver ions, whereby an equivalent amount of nitric acid is ...
Dependence of the Renal Excretion of Theophylline on its Plasma Concentrations and Urine Flow Rate in Asthmatic Children
(Journal of Pharmacy and Pharmacology, 1990)
Abstract— The dependence of the renal excretion of theophylline on its plasma concentration and urine flow rate has been investigated in asthmatic children of either sex. One group (age 12.25 ± 0.80, mean ± s.d. n = 8) was ...
Spectrophotometric investigation of metopropol-benzyl orange reaction and its application to the assay in pharmaceutical dosage forms
(Farmaco, 1995)
A sensitive spectrophotometric method for the determination of metoprolol tartrate in tablets and ampoules is presented. Using spectrophotometric measurements, it was found that metoprolol tartrate and benzyl orange form ...
Third-order derivative UV spectrophotometry and densitometry for the simultaneous assay of acetylsalicylic acid and salicylic acid in tablet formulations
(Societa Chimica Italiana, 1995)
Third-order derivative spectrophotometry is proposed for simultaneous determination of acetylsalicylic acid and free salicylic acid in sustained-release tablets, and compared with TLC-densitometry. Both methods were evaluated ...
Effect of selected direct compression excipients on the stability of acetylsalicylic acid tablets
(Editio Cantor Verlag GmbH, 1995)
The effect of some direct compression excipients (Avicel® PH 101 (I), Avicel PH 101 + mannitol (II), Avicel PH 112 (III), Cellactose® (IV), and Pharmatose® DCL 40 (V)) under different storage conditions (22, 43 and 73% ...
Spectrophotometric determination of tilidine using bromocresol green and bromophenol blue
(Acta Pharmaceutica Hungarica, 1990)
Potentiometric investigation of the stability of palladium(II) complex of pralidoxime chloride in aqueous solution
(Journal of Pharmaceutical and Biomedical Analysis, 1990)
The formation of a complex between palladium(II) chloride and pralidoxime chloride (PAM-2Cl) has been studied by means of potentiometric pH measurements. The real stability constant of the complex in aqueous medium of ionic ...
Spectrophotometric determination of flurazepam in pharmaceutical formulations
(Editions Scientifiques Elsevier, Paris Cedex 15, 1996)
Two spectrophotometric methods are proposed for the determination of flurazepam in pharmaceutical formulations. The first one, a very sensitive and fast direct spectrophotometric method is based on the measurement of the ...
Autoantibodies against human brain S-100 protein and neuron specific enolase in neurological and psychiatric patients
(Društvo medicinskih biohemičara Srbije i Crne Gore, Beograd i Univerzitet u Beogradu - Farmaceutski fakultet, Beograd, 1997)
This report deals with the incidence and distribution of autoantibodies against well-defined human brain antigens S-100 and NSE in the development of neurologic and psychiatric syndromes. Serum samples from patients and ...
Influence of sodium chloride on the release of diclofenac sodium from enteric-coated tablets
(Medpharm GmbH Scientific Publishers, 1997)
The influence of sodium chloride addition on the drug release from enteric-coated tablets was assessed with a USP rotating-basket dissolution apparatus. Three brands of commercially available diclofenac sodium enteric-coated ...