The deepest south-eastern part of the lake suffers from oxygen deficiency and hydrogen sulphide which causes high levels of phosphorus.
en.wikipedia.org The soil around these areas is rich in hydrogen sulphide and is often avoided by islanders.
en.wikipedia.org The gasochromic technology is used commercially in reversible smart windows and gas sensing of oxygen, hydrogen, nitric oxide, hydrogen sulphide and carbon monoxide.
en.wikipedia.org It is negative for clumping factor, coagulase, hyaluronidase, arginine dihydrolase, ornithine decarboxylase, acetoin, arginine arylamidase, alpha- and beta-haemolysins, heat-stable and heat-labile nucleases, indole, hydrogen sulphide and lecithinase.
en.wikipedia.org The system removes carbon dioxide, hydrogen sulphide, water and contaminants from the biogas.
en.wikipedia.org