Post 514472 (https://www.thevespiary.org/talk/index.php?topic=7622.msg51447200#msg51447200)
(psyloxy: "sulphurylchloride", Chemistry Discourse) and in part:Post 514816 (https://www.thevespiary.org/talk/index.php?topic=7622.msg51481600#msg51481600)
(psyloxy: "charcoal cat. SCl2 + O2 --> SOCl2 - 73%", Chemistry Discourse)Post 516819 (https://www.thevespiary.org/talk/index.php?topic=6682.msg51681900#msg51681900)
(psyloxy: "lab production of oleum ?", Chemistry Discourse))