Extraction of Zinc and Manganese from Alkaline and Zinc-Carbon Spent Batteries by Citric-Sulphuric Acid Solution

Table 6

Semiquantitative analysis of the original and washed powder.

Element	Original powder	Washed powder
	% (w/w)	% (w/w)
Mn	33.59	35.59
Zn	15.46	18.58
Fe	0.50	0.49
Cr	0.19	0.20
Al	0.36	0.19
K	3.26	0.36
Cl	3.38	0.13
Ti	0.27	0.26
Si	0.49	0.42
Balance	42.50	43.78