Nā Kūlana Kūʻai Kūʻai Kūʻai Nui.

ʻO ka hoʻomaʻemaʻeʻana o ka selenium kiʻekiʻe (≥99.999%)) pili i ka huiʻana e like me nā mea kanu e like me ka paila e like me ka mea nui, pb, a me. ʻO nā kaʻina hana e pili ana i ke kī a me nā'āpana:

1.ʻO ka hoʻokaʻawaleʻana

Ke kaheʻana o ke kaʻina:

1. E kau i ka selenium celenium (≥99.9%) i kahi courtace cruccible i loko o kahi mea i hele i loko o kahi pānaʻi.

2. E wela a 300-500 ° C ma lalo o ka hakahaka (1-100 pa) no 60-180 mau minuke.

3. SELENIUM VAPOR ADCONESS i loko o kahi papaʻeluaʻelua-papa inoa (haʻahaʻa haʻahaʻa me PB / CU Blackles, ma luna o Selenium College).

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Nā Pametia:

- mahana: 300-500 ° C

- kalima: 1-100 pa

- Nā mea hana hōʻoia

2.ʻO ka hoʻomaʻemaʻeʻana i keʻano o ka checication.

Ke kaheʻana o ke kaʻina:

1.ʻO ka hoʻohuihui oxidation: react stude suilenim (99.9%) me ka o. a me nā kikowaena seo.

2. Hoʻopau i kahi extravent

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4. Hohonu de-te: oxidize serenium hou hou e seenim hou e seo₄₄

5. Loaʻa i ka SECUMUM FREELUIL: hoʻomaʻemaʻe iā Selenium ma 300-500 ° C a me 1900

Nā Pametia:

- mahana o ka: 500 ° C

- Dosdrazine Dosage:ʻoi aku ka nui e hōʻoia ai i ka hōʻemi pihaʻana.

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Ke kaheʻana o ke kaʻina:

1. E hoʻohana i kahi electrolyte (eg, selenoous acid) me kahiʻano o ka nui o ka 5-10 a / dm².

2.ʻO Salenium waihona ma luna o ka Catrode,ʻoiaiʻo Selenium Minode e hana ana ma keʻano.

Nā Pametia:

-ʻO ka hoʻomehanaʻana i kēia manawa: 5-10 a / DMM²

- electrolyte: selenoous did or selete sult.

4.ʻO ka uku uku

Ke kaheʻana o ke kaʻina:

1. E kiʻi i ka send mai ka hopena e hoʻohana ana i ka tbp

2. Kāpili a me ka hoʻopiʻiʻana iā Selenima, a laila e hoʻi hou ana.

Nā Pametia:

- extractant: tbp (hcl medium) a iʻole toa (H₂os₄ Medium)

- Ka helu o nā papa: 2-3.

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Ke kaheʻana o ke kaʻina:

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2, kūpono no ka hoʻokōʻana> 5N maʻemaʻe mai ka hoʻomaʻemaʻe kiʻekiʻe.

Kahakaha: pono i nā mea hana kūikawā a he ikaika-ikaika.

Hōʻike hōʻike

No kaʻikeʻike, e nānā i nā helu ma hope mai nā palapala:

-ʻO ka hoʻonohonohoʻana o ka recucuum

- Se-Te-Te Phase Diagram: E hōʻike ana i nā pilikia hoʻokaʻawale ma muli o nā wahi e pani ai.

Nā manaʻo aʻoaʻo

-ʻO nā alahele a me nā hana o nā mea kanu:

- FOLLELOKOLELO A ME KA LOA:

- nāʻenehana holomua a me nā paʻakikī: