Characterization of Boswellia rivae Engl Resin as a Potential Use for Pharmaceutical Excipient

Table 2

Heavy metal concentration of the resin.

Heavy metals	Standard conc. range (mg/l)	of the curve	Conc. of the sample (ppm)
Cd	0.02-3	0.9982	0.00
Zn	0.02-3	0.9997	0.14
Cr	0.02-3	0.9982	0.12
Pb	0.05-3	0.9960	0.00
Cu	0.02-3	0.9994	0.00
Co	0.02-3	0.9979	0.07
Mn	0.02-3	0.9950	0.00