Photometric determination of scandium with 1,5-diantipyrinyl-3-cyanoformazan
β Scribed by B.W. Budesinsky; J. Svec
- Publisher
- Elsevier Science
- Year
- 1971
- Tongue
- English
- Weight
- 251 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0026-265X
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
From the above graph it will be seen that readings can be made over the whole range between IO and 200 pg. After 200 pg, however, the graph flattens out and is, therefore, of little USC for sensitive work. For practical purposes in order to I~eJc~orccs p. 4Ss'.
1,5-Bis( 2,3\_dihydroxyphenylmethylene) thiocarbohydrazone was synthesized; its ionization constanta are reported. A procedure ia described for the spectrofluorimetric determination of 5-546 ng ml-' zinc in 60/40 (v/v) ethanol/water medium, acetate-buffered to apparent pH 6.5 (LX= 409 nm, & ,,, = 50