Active Carbon Respiratory Masks as the Adsorbent of Toxic Gases in Ambient Air

Table 1

Effectiveness of the use of masks and exposure to COx.

		n	mean; (ppm)	CI 95%
				Min	Max
COx not Adsorbed	Control	7	3,40	2,16	4,80	≤0.001
	Cotton	7	3,39	2,12	4,48
	Spunbond & Meltblown	7	1,13	0,48	1,76
	Combination Active Carbon, Spunbond & Meltblown	7	0,10	0,04	0.24

One-way ANOVA, α = 5%.
Significant (p ≤ 0,05).
Post hoc LSD: control vs cotton: P = 0.71; control vs spunbond & meltblown: P-“0,001; control vs combination active carbon, spunbond & meltblown: P-“0,001; cotton vs spunbond & meltblown: P-“0,001; cotton vs combination active carbon, spunbond & meltblown: P-“0,001; spunbond & meltblown vs combination active carbon, spunbond & meltblown: P = 0,021.