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Table 2 Average visual rating of damage to wood blocks by subterranean termites and estimated termite mortality

From: The role of particle size of particulate nano-zinc oxide wood preservatives on termite mortality and leach resistance

Treatment	Concentration	Ave. visual rating	Ave. mortality (%)
Untreated	-	0	12
30 nm ZnO	1.0	9	95
30 nm ZnO	2.5	9	97
30 nm ZnO	5.0	9	97
70 nm ZnO	1.0	9	94
70 nm ZnO	2.5	9	95
70 nm ZnO	5.0	9	99
ZnSO₄	1.0	7	29
ZnSO₄	2.5	7	5
ZnSO₄	5.0	7	8

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