Table 4.

Content of heavy metals in the biomass of bacteria of the genus Bacillus after cultivation in a liquid nutrient medium.

Metal salt	Microbial strain	Amount of metal in biomass
		In % of MNC	Grams per liter
Pb	B. clausii	43.9	0.726 ± 0.005∗∗∗
	B. licheniformis	51.2	0.848 ± 0.005∗∗∗
	B. subtilis	53.2	3.523 ± 0.025
Co	B. clausii	25.3	0.189 ± 0.001∗∗∗
	B. licheniformis	27.2	0.203 ± 0.001
	B. subtilis	17.6	0.066 ± 0.0003∗∗∗
Zn	B. clausii	10.1	0.010 ± 0.00005∗∗∗
	B. licheniformis	17.9	0.068 ± 0.0003
	B. subtilis	8.6	0.008 ± 0.00004∗∗∗
Cd	B. clausii	4.2	0.001 ± 0.000003∗∗∗
	B. licheniformis	—	Not reliable
	B. subtilis	7	0.004 ± 0.00001

Note:⁣^∗∗∗p < 0.001, determination of reliably significant differences in relation to the maximum accumulation indicator.