20. J.C. Gage, "The Determination of Tracs of Lead and Bismuth in Organic Material," The Analyst
83, 672–674 (1958).
21. A. Weber and V. B. Vouk, "The Extraction Constant of Lead Dithizonate," The Analyst
85, 40, 46 (1960).
22. O. B. Mathre and E. B. Sandell, "Lead-Dithizone Equilibria in Water-Carbon Tetrachloride Systems," Talanta
11, 295–314 (1964).
23. R. A. Jones and A. Szutka, "Determination of Microgram Quantitites of Lead by Spectrophotometric Titration with Dithizone,"
Anal. Chem.
38, 779 –781 (1966).
24. USP–NF, vol. 1 (US Pharmacopeial Convention, Rockville, MD, 2007), pp. 147–148.
What would you do differently? Email your thoughts about this paper to
ptweb@advanstar.com
and we may post them on
http://pharmtech.com/.
|