Spectrophotometric Determination of Carbon Disulphide in the Workplace Air

Table 3

Concentration limit of foreign components which with reagents produce coloured products.

Component	Concentration limit, mg⋅m^−3
	Method A (DTNB)	Method B (BTC)
Hydrogen sulphide	0.2	0.2
Sulphur dioxide	2.0	—
Hydrogen cyanide	0.4	—
2-Sulfanylethane-1-ol	0.2	0.2