Busongo bupya, bubotu akusyomeka nzintu zipati mumakwebo eesu. Eezyi njiisyo sunu kwiinda lyoonse nzizyo zipa kuti tuzwidilile mbuli inkamu iili akati-akati iibeleka munyika yoonse.
Busongo bupya, bubotu akusyomeka nzintu zipati mumakwebo eesu. Eezyi njiisyo sunu kwiinda lyoonse nzizyo zipa kuti tuzwidilile mbuli inkamu iili akati-akati iibeleka munyika yoonse, zintu zyesu zyoonse zilatumwa kubantu baku UK, Germany, France, Spain, USA, Canada, Iran, Iraq, Middle East alimwi a Africa. Zintu zyesu zilatambulwa kabotu abasikuula besu akaambo kabubotu, miulo mibotu alimwi anzila zibotu. Tulangila kubamba chilongwe chamakwebo abasikuula boonse mpawo tulete mibala mibotu loko mubuumi.













Busilisi bwa Sodium Sulfide a Kuyungizya:
Bika 200 mL ya Solution B mu 500 mL ya volumetric flask. Mukutobelana, bika 40 mL ya sodium carbonate solution, 80 mL ya zinc sulfate solution, antoomwe a 25 mL ya ethanol. Swaanganya kusikila aawo mpogolela amaanzi mpawo usanganye obotu.
Sefa musanganisyo, kosowa 10 mL yakusaanguna ya sefa, mpawo ubike 100 mL ya sefa mu 500 mL ya conical flask. Sodium Sulfide.