A column method has been established for the preconcentration of aluminum and copper(II) with Alizarin Red \(S\) and a cetyltrimethylammonium-perchlorate ion pair supported on naphthalene. using a simple glass-tipped tube. Aluminum and copper(II) react with Alizarin Red S to form water-soluble color
✦ LIBER ✦
Chromatographic preconcentration of copper in environmental and biological samples using 2,4,6-tri(2-pyridyl)-1,3,5-triazine-tetraphenylborate-naphthalene adsorbent
✍ Scribed by Usami, Shiro ;Yamada, Shigeaki ;Puri, Bal Krishan ;Satake, Masatada
- Publisher
- Springer-Verlag
- Year
- 1989
- Weight
- 415 KB
- Volume
- 97
- Category
- Article
- ISSN
- 0344-838X
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## Abstract The reaction of 2,4,6‐tri(pyridyl)‐1,3,5‐triazine (ptz) and copper(II) salts in dmf/water (1:1) results in the hydrolysis of ptz and formation of the anions bis(2‐pyridylcarbonyl)amide (ptO~2~^–^) and bis(2‐pyridylamine)amide (ptN~2~^–^), which are found in the complexes [Cu(ptN~2~)(OAc
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