Tantalum Pentoxide

Khoom specification: Sintered granules, 99.99 feem pua

Cov lus piav qhia: Dub

Qhov ntau thiab tsawg: 1-3mm, 3-5mm

Chav ntsuas: kg

Cov khoom zoo: zoo siab, ua tiav specifications, haum rau ntau yam kev siv

Daim ntawv thov thaj chaw: optical txheej

Khoom siv: lim; Cov yeeb yaj kiab zoo heev; Insulating films

Feem ntau muaj nyob rau hauv sintered compacts thiab granules, nrog ib tug purity ntawm 99.99 feem pua, Tantalum pentoxide yog ib tug zoo heev refractive index khoom, haum rau ntau yam ntawm optical coatings, kom tau raws li cov kev xav tau ntawm cov neeg muas zaub sib txawv.

Khoom: Dawb rhombohedral siv lead ua, rhombic kem.

Solubility: Soluble nyob rau hauv molten potassium hydrosulphate thiab hydrofluoric acid, insoluble nyob rau hauv dej thiab lwm yam acids.

Kev siv thiab kev npaj:

Siv: Cov khoom siv raw rau kev tsim cov hlau tantalum. Kuj tseem siv tau hauv kev lag luam hluav taws xob. Nws yog siv los rub lithium tantalate ib leeg muaju thiab ua kom muaj kev cuam tshuam siab thiab qis dispersion tshwj xeeb kho qhov muag iav thiab tuaj yeem siv los ua cov khoom siv hauv kev lag luam tshuaj.

Kev npaj los yog qhov chaw:

1. Potassium fluorotantalate txoj kev: poov tshuaj fluorotantalate thiab sulfuric acid yog rhuab mus rau 400 degree, cov reactants yog ntxiv nrog dej rau boil, thiab cov acidified kua yog hydrolyzed los ntawm txaus dilution los tsim ib tug hydrated oxide precipitate, uas yog ces sib cais, ntxuav thiab qhuav. kom tau tiav tantalum pentoxide. 2K2TaF7 plus 2H2SO4 plus 5H2O → Ta2O5 plus 2K2SO4 plus 14HF

2. Tantalum hlau oxidation txoj kev: Dissolve tantalum hlau flakes nyob rau hauv nitric acid thiab hydrofluoric acid tov acid, extract thiab purify, precipitate tantalum hydroxide nrog ammonia, ces ntxuav, qhuav, scorch thiab grind zoo kom tau tiav tantalum pentoxide.

Kev nyab xeeb: ntim rau hauv ob lub hau polyethylene yas fwj, nqa qhov hnyav 5kg ib lub raj mis, kaw kom nruj thiab muab tso rau hauv lub thawv tawv nrog lub hnab yas polyethylene, ntim nrog cov ntawv pov tseg kom tsis txhob muaj kev cuam tshuam, nqa qhov hnyav 20kg ib lub thawv, khaws cia rau hauv qhov cua thiab qhov chaw qhuav, tsis txhob muab tso rau hauv qhov qhib. Lub ntim yuav tsum raug kaw. Thaum thauj, tiv thaiv koj tus kheej los ntawm nag thiab pob tawg. Thaum hluav taws kub, siv dej, xuab zeb, thiab hluav taws tua hluav taws los tua hluav taws. Toxicity thiab kev tiv thaiv: Cov plua plav muaj qhov cuam tshuam rau cov mucous daim nyias nyias ntawm txoj kev ua pa, thiab cov plua plav mus ntev tuaj yeem ua rau mob pneumoconiosis. Qhov siab tshaj plaws tso cai ntawm tantalum oxide yog 10mg / m3. Thaum ua haujlwm nyob rau hauv ib puag ncig nrog cov hmoov av siab, nws yog ib qho tsim nyog yuav tsum tau hnav lub npog ntsej muag tiv thaiv cov tshuaj lom, tiv thaiv kev tawm ntawm oxide plua plav, thiab siv tshuab thiab kaw cov txheej txheem crushing thiab ntim khoom.

Lwm yam: Nws cov khoom siv tshuaj zoo ib yam li cov niobium pentoxide.

Khoom parameters

Tantalum pentoxide (Molecular formula: Ta2O5)

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