Okwu mmalite nke ihe ọmụma zinc, kedu ka e si emepụta zinc metal?
Zinc bụ ihe mejupụtara kemịkalụ. Akara kemịkalụ ya bụ Zn, nọmba atọm ya bụkwa 30. Ọ dị na nkeji nke anọ na otu ⅡB nke tebụl kemịkalụ. Zinc bụ ọla ngbanwe isi awọ na nke anọ "nkịtị" metal. Na ụlọ ọrụ ọgbara ọhụrụ, zinc enweghị ike dochie anya n'ichepụta batrị ma bụrụ ọla dị oke mkpa. Na mgbakwunye, zinc bụkwa otu n'ime ihe ndị dị mkpa maka ahụ mmadụ ma na-arụ ọrụ dị oke mkpa.
Zinc siri ike ọkụ n'ikuku ma na-ewepụta ìhè ọcha siri ike na oxygen. Enwere akwa zinc oxide n'elu zinc, nke na-ebunye anwụrụ ọkụ mgbe ọ na-ere ọkụ. Akụkụ bụ isi nke anwụrụ ọkụ na-acha ọcha bụ zinc oxide, nke ọ bụghị nanị na-egbochi ọkụ nke zinc, kamakwa na-egosipụta agba nke ire ọkụ na-eme ka ìhè na-egbuke egbuke. Zinc dị mfe soluble na acid ma nwee ike dochie ọla edo, ọlaọcha, ọla kọpa, wdg site na ngwọta. Ihe nkiri oxide nke zinc nwere ebe mgbaze dị elu, mana ebe mgbaze nke zinc dara dị obere. Ya mere ikpo ọkụ zinc flakes na oriọna mmanya ga-agbaze ma mee ka flakes zinc dị nro, ma ọ dịghị ada ada, kpọmkwem n'ihi mmetụta nke ihe nkiri oxide. A na-ejikarị Zinc eme ihe na ígwè, metallurgy, igwe, eletriki, kemịkalụ, ụlọ ọrụ ọkụ, ndị agha na mpaghara ọgwụ.
dozie mkpebi:
1. Wepu ala 360g nke zinc ọla ma jiri nwayọọ nwayọọ tinye ya na 3340ml nke 15% sulfuric acid ngwọta, na okpomọkụ ruo 70 ° C maka mmeghachi omume. Mgbe H2 agaghịkwa ejupụta, gbanye mmiri 1200ml iji dozie ngwọta zinc sulfate, wepụ 50ml, were nke fọdụrụ maka ojiji emechaa. A na-agbakwunye 4g nke sodium carbonate na 50ml nke ngwọta diluted, a na-asachakwa zinc carbonate precipitate ugboro atọ na mmiri (300ml oge ọ bụla) maka ojiji. Igbari 7.5 g nke ferrous sulfate heptahydrate na 500 ml mmiri, acidify na 1 ml nke ọkwa dị elu dị ọcha sulfuric acid, kpoo ọkụ, ma tinye 30% hydrogen peroxide dropwise iji tọghata Fe2+ ion niile na ngwọta na Fe3+ ion. Gbakwunye ngwọta sulfate ígwè a kwadebere na ngwọta zinc sulfate nke a kpọtụrụ aha n'elu, ma gbakwunye zinc carbonate a kwadebere na-akpali akpali, wee kpoo ọkụ ruo 30-40ºC n'okpuru mkpali ngwa ngwa, ma hapụ ya ka ọ kwụ ọtọ. Mgbe ngwọta doro anya, nyochaa ya. [Mwepụ nke Fe (OH) 3 na-ebuli na As, P, Sb na adịghị ọcha ndị ọzọ]. A na-emezi ihe nzacha ahụ ma gbanwee uru PH iji mee ka Kongo na-acha uhie uhie na-acha anụnụ anụnụ. N'oge electrolysis, jiri premium ọkwa dị ọcha ma ọ bụ zinc flakes dị ka cathode, ụlọ ọrụ zinc dị ka anode, anya n'etiti abụọ electrodes bụ 2-3cm, voltaji n'etiti abụọ electrodes bụ 6V, na ugbu njupụta dabere na okpomọkụ nke electrolyte. Mgbe 200g nke zinc na-ebuli, a ga-eji ígwè sulfate na zinc carbonate agwọkwa electrolyte ọzọ dịka usoro a dị n'elu.
2. A na-akwado nkwadebe nke zinc site na ịgbaze zinc blende ZnS dị ka isi akụrụngwa. Na ụlọ ọrụ mmepụta ihe, a na-ejikarị ZnS oxidized na calcined n'ime oxide nwere ezigbo mmeghachi omume. Mgbe ahụ jiri usoro mbelata okpomọkụ na usoro electrolysis iji dozie zinc. A na-etinye ụgwọ nke zinc roasting block na coal ntụ ntụ n'ime ọkụ ọkụ zinc na 1300 ~ 1350 ° C maka mmeghachi omume, ikuku zinc ígwè nke na-emepụta site na mmeghachi omume mbelata na-abanye n'ime condenser zinc site na conduit, na-ejide zinc ígwè. Zinc metal enwetara site na usoro a nwere ọdịnaya adịghị ọcha dị oke elu. Iji nweta zinc dị ọcha karị, a na-achọ mgbasa agụụ.
3. Na-agbaze zinc oxide na ihe a na-akpọ calcined na sulfuric acid, wepụ ígwè site na oxidation, wepụ cobalt, ọla kọpa, nickel na adịghị ọcha ndị ọzọ na zinc ntụ ntụ, wee tinye ya na cell electrolytic na-edu ndú dị ka anode na aluminum efere dị ka cathode. N'oge electrolysis, a na-edobe zinc ọla na efere aluminom wee wepụ ya ka ọ bụrụ ngwaahịa. Ịdị ọcha nke zinc dara site na electrolysis nwere ike iru 99.99%.
Njikọ nkọwa ndị ọzọ:https://www.wanmetal.com/
Isi mmalite: Ịntanetị
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Oge nzipu: Sep-06-2021