PGas-21_标签tag页

Tag Archives: PGas-21

Chlorine(CL) is a toxic gas greenish yellow gas with a characteristic odour. Chlorine combines directly with nearly all elements. Chlorine is a respiratory irritant. CL irritates the mucous membranes and the liquid burns the skin. CL is detectable in concentrations of as low as 0.2 parts per million (ppm), and by smell at 3 ppm. […]