Eendaweni zelabhorethri, kutlhogeka ukutjheja okungezelelweko lokha nawuphatha i-sodium sulfide. Ngaphambi kokusetjenziswa, amagilasi wokuphepha namagilavu ​​werabha kufanele agqokwe, begodu imisebenzi yenziwa kuhle ngaphakathi kwe-fume hood. Lokha ibhodlela le-reagent nalivuliweko, kufanele livalwe msinyana ngaphakathi kweplastiki ukukhandela ukumunywa komswakama ovela emoyeni, okuzokwenza bona libe yi-paste. Nangabe ibhodlelo liphahlazeka ngephutha, ungagezi ngamanzi! Kokuthoma, vala ukuchitheka ngesihlabathi esomileko nofana ngehlabathi, bese uyayibuthelela ngokusebenzisa ifosholo yeplastiki uyifake esitjeni esikhethekileko.

Ukusebenzisana nathi akutshwenyeki, ukunikela ngezitifiketi zokuhlaziywa kwe-COA zamahhala kanye namakhasi wedatha yokuphepha ye-MSDS, kanye nokusekela ukuhlolwa okugunyaziweko komuntu wesithathu. Abangani abatlhogako bamukelekile ukusithinta nanyana kunini ngokuchofoza lapha!