Zobrazeno 1 - 2
of 2
pro vyhledávání: '"T. T. Chiweshe"'
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 30, Iss 1, Pp 55-70 (2016)
The current study involved the evaluation of five different internal standards (Sc, Co, Y, In and La) as well as normal external or direct calibration methods in the simultaneous quantification of all six platinum group metals (PGMs) and gold (precio
Externí odkaz:
https://doaj.org/article/be45da6b01114c90b01ac311bad14c4f
Autor:
T. T. Chiweshe
Publikováno v:
Bulletin of the Chemical Society of Ethiopia; Vol 33, No 1 (2019); 103-112
Fusion of powdered molybdenum and tungsten oxide using ammonium phosphate salt as flux (ratio: 1:25 respectively) yielded soluble products which were unstable. The yellow (Mo) and purple-blue (W) solutions in deionized water, methanol and acetone dec