Lead wani sinadari ne na sinadari, alamar sinadaransa Pb(Latin Plumbum; gubar, mai lambar atomic 82, ita ce mafi girman sinadari mara radiyo ta hanyar nauyin atomic.
Lead ƙarfe ne mai laushi kuma mai rauni, mai guba, da ƙarfe mai nauyi.Asalin launi na gubar fari ce-bluish-fari, amma a cikin iska ba da dadewa ba za a rufe saman da oxide mai launin toka.Ana iya amfani da shi wajen gine-gine, batirin gubar-acid, sulke-yaki, harsashi, kayan walda, kayan kamun kifi, kayan kamun kifi, kayan kariya na radiation, kofuna da wasu gami, irin su dalma-tin allo na walda na lantarki.Lead wani ƙarfe ne na ƙarfe wanda za'a iya amfani dashi azaman abu mai jurewa lalata sulfuric acid, ionizing radiation, batura da sauransu.Ana iya amfani da gabobin sa don nau'in, ɗaukar hoto, murfin kebul, da sauransu, kuma ana iya amfani da shi don harbi kayan wasanni.
Mai zuwa shine ainihin bayanin gubar don bayanin ku:
| Sunan Sinanci | Qian | Wurin tafasa | 1749°C |
| Sunan Ingilishi | Jagoranci | Ruwa mai narkewa | Mara narkewa a cikin ruwa |
| Wani suna | Link, sarka, mace, keken kogi, baƙar fata, gwal, gwal na lapis, zinariya a cikin ruwa | yawa | 11.3437 g/cm ³ |
| Tsarin sinadaran | Pb | bayyanar | Farin Azurfa mai launin shuɗi |
| Nauyin kwayoyin halitta | 207.2 | Bayanin haɗari | m |
| Lambar shiga ta CAS | 7439-92-1 | Takamaiman Ƙarfin Zafi | 0.13 kJ/ (kg·K) |
| Fusing batu | 327.502°C | taurin | 1.5 |
Lura: Gubar kanta mai guba ce, amma ba mai guba ba ce idan aka sarrafa ta cikin kayan aikin radiation na takardar gubar, ƙofar gubar, ƙwayar gubar da wayar gubar.
A ranar 31 ga Agusta, 2023, tare da sauyin yanayi, farashin gubar na ci gaba da hauhawa, kuma mai zuwa shine hoton hanyar sadarwa mara ƙarfe na kogin Yangtze ga kowa da kowa.
Lokacin aikawa: Satumba-05-2023
