Ukukhethwa kwenqubo yokuhlanzwa kwegesi yemvelo
Igesi yemvelo njengegesi yokuphakelayo kumele ihlanzwe kahle ngaphambi kokuyixuba. Okusho ukuthi, ukususa igesi ene-asidi, amanzi kanye nokungcola kugesi yokuphakelayo, njenge-H2S, i-CO2, i-H2O, i-Hg kanye nama-hydrocarbon aromatic, ukuze kuvinjelwe ukuthi kuqandeke lapho...
buka imininingwane