They easily react with carbon dioxide to form carbonates or bicarbonates, or with hydrogen sulfide to form sulfides or bisulfides, and may be used to separate thiols from petroleum.
ðeɪ ˈiːzili ɹɪˈækt wɪð kˈɑːɹbən daɪˈɑːksaɪd tə fˈɔːɹm kˈɑːɹbənˌeɪts ɔːɹ baɪkˈɑːɹbənˌeɪts, ɔːɹ wɪð hˈaɪdɹədʒən sˈʌlfaɪd tə fˈɔːɹm sˈʌlfaɪdz ɔːɹ baɪsˈʌlfaɪdz, ænd mˈeɪ biː jˈuːzd tə sˈɛpɚɹˌeɪt θˌaɪoʊlz fɹʌm pətɹˈoʊliːəm.