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Halin farashi na duniya mai wuya a kan Agusta 24, 2023
Farashin sunan samfur highs da lows Metal lanthanum (yuan / ton) 25000-27000 - Cerium karfe (yuan / ton) 24000-25000 - Metal neodymium (yuan / ton) 600000 ~ 605000 - Dysprosium karfe ~ (yuan / kg) 35000 karfe (yuan / kg) 9500 ~ 9800 - Pr-Nd karfe (yuan / ton) ...Kara karantawa -
Sihiri Rare Abubuwan Duniya: Dysprosium
Dysprosium, alamar Dy da lambar atomic 66. Abu ne da ba kasafai ake samu ba a duniya tare da luster. Ba a taɓa samun dysprosium a matsayin abu ɗaya a cikin yanayi ba, kodayake yana cikin ma'adanai daban-daban kamar yttrium phosphate. Yawan dysprosium a cikin ɓawon burodi shine 6ppm, wanda yayi ƙasa da ...Kara karantawa -
Sihiri Rare Abubuwan Duniya: Holmium
Holmium, lambar atomic 67, atomic nauyi 164.93032, sunan kashi wanda aka samo daga wurin haifuwar mai binciken. Abubuwan da ke cikin holmium a cikin ɓawon burodi shine 0.000115%, kuma yana wanzu tare da wasu abubuwan da ba kasafai ba a cikin ƙasa a cikin monazite da ma'adanai na ƙasa da ba kasafai ba. Tsarin isotope na dabi'a shine kawai holmium 1 ...Kara karantawa -
Haɗin Duniya na Sihiri Rare: Lanthanum Oxide
Lanthanum oxide, tsarin kwayoyin La2O3, nauyin kwayoyin 325.8091. Anfi amfani dashi don kera madaidaicin gilashin gani da filaye na gani. Kayayyakin sinadarai Yana ɗan narkewa a cikin ruwa kuma cikin sauƙi mai narkewa cikin acid don samar da gishiri daidai. An fallasa zuwa iska, yana da sauƙin ɗaukar carbon diox ...Kara karantawa -
Nawa kuka sani game da Lanthanide?
Lanthanide Lanthanide, Lanthanide Ma'anar: Abubuwan 57 zuwa 71 a cikin tebur na lokaci-lokaci. Kalmomin gabaɗaya don abubuwa 15 daga lanthanum zuwa lutium. An bayyana kamar Ln. Tsarin lantarki na valence shine 4f0 ~ 145d0 ~ 26s2, na cikin ɓangaren canji na ciki; Lanthanum ba tare da 4f electrons shine ...Kara karantawa -
Neodymium element don na'urorin fusion na Laser
Neodymium, kashi 60 na tebur na lokaci-lokaci. Neodymium yana da alaƙa da praseodymium, duka biyun su Lanthanide ne masu kama da kamanni. A cikin 1885, bayan da masanin kimiyyar Sweden Mosander ya gano cakuda lanthanum da praseodymium da neodymium, Australiya Welsbach sun yi nasarar rabuwa ...Kara karantawa -
Cerium don yin rokar roka mai ya fi dacewa da muhalli
Cerium, kashi 58 na tebur na lokaci-lokaci. Cerium shine mafi ƙarancin ƙarfe na duniya, kuma tare da sinadarin yttrium da aka gano a baya, yana buɗe kofa ga gano wasu abubuwan da ba kasafai ba a duniya. A shekara ta 1803, masanin kimiya na Jamus Klaprott ya gano wani sabon sinadari oxide a cikin wani babban dutse mai nauyi mai ja...Kara karantawa -
Haɗin Duniya na Sihiri Rare: Cerium Oxide
Cerium oxide, Tsarin kwayoyin halitta shine CeO2, sunan Sinanci: Cerium (IV) oxide, nauyin kwayoyin: 172.11500. Ana iya amfani da shi azaman polishing abu, mai kara kuzari, mai kara kuzari (mataimaki), ultraviolet absorber, man fetur cell electrolyte, mota shaye absorber, Electroceramics, da dai sauransu Chemical dukiya A ...Kara karantawa -
Sihiri Rare Abubuwan Duniya: Terbium
Terbium yana cikin nau'in nau'in ƙasa mai nauyi, tare da ƙarancin wadatar ƙasa a cikin ɓawon ƙasa a kawai 1.1 ppm. Terbium oxide yana lissafin ƙasa da 0.01% na jimlar ƙasan da ba kasafai ba. Ko da a cikin manyan yttrium ion na nau'in rauni mai nauyi a duniya ore tare da mafi girman abun ciki na Terbium, da Terbium Conte ...Kara karantawa -
Sihiri Rare Abubuwan Duniya: Cerium
Cerium shine 'babban ɗan'uwa' wanda ba a jayayya a cikin babban dangin abubuwan da ba kasafai ba a duniya. Da fari dai, jimillar dumbin ƙasan da ba kasafai ba a cikin ɓawon burodi ya kai 238ppm, tare da cerium a 68ppm, wanda ke lissafin kashi 28% na jimlar abubuwan da ba kasafai ba a duniya da matsayi na farko; Na biyu, cerium shine ea na biyu da ba kasafai ba...Kara karantawa -
Sihiri Rare Abubuwan Duniya Scandium
Scandium, mai alamar element Sc da lambar Atomic na 21, yana iya narkewa cikin ruwa cikin sauƙi, yana iya mu'amala da ruwan zafi, kuma cikin sauƙi yana yin duhu a cikin iska. Babban darajarsa shine +3. Yawancin lokaci ana haɗe shi da gadolinium, erbium, da sauran abubuwa, tare da ƙarancin amfanin ƙasa da abun ciki na kusan 0.0005% a cikin cr ...Kara karantawa -
The sihiri rare earth element europium
Europium, alamar ita ce Eu, kuma lambar Atomic ita ce 63. A matsayin memba na Lanthanide, europium yawanci yana da+3 valence, amma oxygen+2 valence ma na kowa. Akwai ƙananan mahadi na europium tare da yanayin valence na +2. Idan aka kwatanta da sauran ƙananan karafa, europium ba shi da wani muhimmin biologica ...Kara karantawa