Sequential injection technique for automated titration: Spectrophotometric assay of vitamin C in pharmaceutical products using cerium(IV) in sulfuric acid

Analyst

Volumn 124, Issue 6, 1999, Pages 917-921

  Sultan, Salah M ^a   Hassan, Yousif A M ^a   Ibrahim, K E E ^b  

^a KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS   (Saudi Arabia)

^b UNIVERSITY OF KHARTOUM   (Sudan)

Author keywords

[No Author keywords available]

Indexed keywords

ACETYLSALICYLIC ACID DERIVATIVE; ASCORBIC ACID; CERIUM; EXCIPIENT; PARACETAMOL; STRESSTABS SANDOZ; SULFURIC ACID; TRIHEMIC 600; UNCLASSIFIED DRUG; VITA C;

ACCURACY; ARTICLE; CALIBRATION; CHEMOMETRICS; CONTROLLED STUDY; DRUG FORMULATION; DRUG OXIDATION; FACTORIAL ANALYSIS; FLOW RATE; INTERMETHOD COMPARISON; SEQUENTIAL ANALYSIS; SPECTROPHOTOMETRY; TITRIMETRY;

EID: 0033054431     PISSN: 00032654     EISSN: None     Source Type: Journal    
DOI: 10.1039/a902000d     Document Type: Article

References (20)

1. 1 J. Rucicka and G. D. Marshall, Anal. Chim. Acta, 1990, 237, 329.
2. 2 L. Erdey and G. Svehla, Ascorbinometric Titrations, Academiai Kiado, Budapest, 1973.
3. 3 S. M. Sultan, J. Pharm. Biomed. Anal., 1990, 8, 345.
4. 4 S. M. Sultan, Talanta, 1993, 40, 593.
5. 5 S. M. Sultan, A. M. Abdennabi and Fakhr Eidin O. Suliman, Talanta, 1994, 41, 125.
6. 6 S. M. Sultan and A. D. Walmsley, Analyst, 1997, 122, 1601.
7. 7 S. M. Sultan and N. I. Desai, Talanta, 1998, 45, 1061.
8. 8 A. N. Srohl and D. J. Curran, Anal. Chem., 1979, 51, 79.
9. 9 C. W. Bradberry and R. N. Adams, Anal. Chem., 1980, 52, 2439.
10. 10 A. G. Fogg, M. A. Summan and M. A. Fernandez Arciniega, Analyst, 1985, 110, 341.
11. 11 F. Lazaro, A. Rios, M. D. Luque de Castro and M. Valcarcel, Analyst, 1986, 111, 163.
12. 12 F. Lazaro, A. Rios, M. D. Luque de Castroand and M. Valcarcel, Analyst, 1986, 111, 167.
13. 13 J. Hernanez, A. Alonso, M. J. Almendral and C. Garcia, Anal. Chim. Acta, 1986, 184, 243.
14. 14 A. Sanz-Martinez, A. Rios and M. Valcarcel, Analyst, 1992, 117, 1761.
15. 15 British Pharmacopoeia, HM Stationery Office, London, 5th edn., 1988, Vol. II, p. 901.
16. 16 W. Spendley, G. R. Hext and F. R. Himsworth, Technometrics, 1962, 4, 441.
17. 17 J. A. Nedler and R. Mead, Comput. J., 1965, 7, 308.
18. 18 S. M. Deming and S. L. Morgan, Anal. Chem., 1973, 45, 278A.
19. 19 E. D. Morgan, Chemometrics: Experimental Design, ACOL series, John Wiley & Sons, Chichester, 1991.
20. 20 J. Ruzicka and E. H. Hanso, Flow Injection Analysis, John Wiley & Sons, Chichester, 1981.