Sumo pfupi
Zita rechigadzirwa: Holmium
Formula: Ho
Nhamba yeCAS: 7440-60-0
Molecular uremu: 164.93
Density: 8.795 gm/cc
Kunyungudika: 1474 °C
Chitarisiko: Silvery grey
Chimiro: Sirivha bundu zvidimbu, ingots, tsvimbo, foil, waya, nezvimwe.
Package: 50kg / chigubhu kana sezvaunoda
Giredhi | 99.99% | 99.99% | 99.9% | 99% |
CHEMICAL COMPOSITION | ||||
Ho/TREM (% min.) | 99.99 | 99.99 | 99.9 | 99 |
TREM (% min.) | 99.9 | 99.5 | 99 | 99 |
Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
Gd/TREM Tb/TREM Dy/TREM Er/TREM Tm/TREM Yb/TREM Lu/TREM Y/TREM | 30 30 10 10 10 10 10 30 | 30 30 10 10 10 10 10 30 | 0.002 0.01 0.05 0.05 0.01 0.01 0.01 0.03 | 0.1 0.1 0.3 0.3 0.1 0.01 0.01 0.05 |
Zvisina-Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
Fe Si Ca Al Mg W Ta O C Cl | 200 50 50 50 50 50 50 300 50 50 | 500 100 100 100 50 100 100 500 100 100 | 0.1 0.03 0.05 0.01 0.01 0.05 0.01 0.1 0.01 0.01 | 0.15 0.01 0.05 0.01 0.01 0.05 0.05 0.2 0.03 0.02 |
- Magnetic Materials: Holmium inozivikanwa nokuda kwesimba rayo remagineti uye yakakosha mukugadzira yakakwirira-inoshanda magineti zvinhu. Holmium magineti anoshandiswa mune akasiyana maapplication, kusanganisira magineti efiriji masisitimu, kwaanobatsira kuwana yakaderera tembiricha kuburikidza neadiabatic demagnetization. Ichi chishandiso chinonyanya kukosha mu cryogenics uye tekinoroji inoponesa kutonhora.
- Lasers: Holmium inoshandiswa mune yakasimba-nyika lasers, kunyanya holmium-doped yttrium aluminium garnet (Ho: YAG) lasers. Aya lasers anoburitsa mwenje paavelength ye2100 nm, iyo inonyudzwa zvakanyanya nemvura, ichiita kuti ive yakakodzera kune zvekurapa zvikumbiro sekuvhiya laser uye lithotripsy (kuputsa matombo eitsvo). Holmium lasers anoshandiswawo mumaindasitiri kunyorera uye kucheka uye welding zvinhu.
- Nuclear Application: Holmium inogona kushandiswa muhunyanzvi hwenyukireya nekuda kweiyo neutron absorption zvimiro. Holmium-166 inonzi radioactive isotope inoshandiswa mune mamwe marudzi egomarara reradiation therapy. Pamusoro pezvo, holmium inogona kushandiswa mukudzora tsvimbo dzenyukireya kuti dzibatsire kudzora mafambiro uye kugadzirisa kuchengetedzwa uye kugona kwekugadzira magetsi enyukireya.
- Alloying agent: Holmium inoshandiswa sealloying alloying kune dzakasiyana simbi kuvandudza ma mechanic zvivakwa uye corrosion kuramba. Inowanzowedzerwa kune nickel uye mamwe asingawanzo pasi alloys kuti awedzere simba ravo uye kugadzikana kwekupisa. Aya maholmium-ane alloys anoshandiswa mumhepo, zvemagetsi, uye mamwe maapplication epamusoro apo kuvimbika kwakakosha.
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