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Haukini Tātai. waihā haukinia - haukini wai

nitride hauwai - - haukini tetahi o te tino nui pūhui o te hauota , me te hauwai. Tenei hau, kahore tae engari ki te kakara titohea. whakaata te hanganga matū haukini tātai - NH 3. Ko te hua pēhanga heke ranei i te pāmahana o te rauemi arata'i ki tona hoko i te wai taekore. Kei te whānui hau haukini me ona otinga whakamahia i roto i te ahumahi, me te ahuwhenua. whakamahia te rongoā te 10% te haukinia waihā - haukini.

Ko te hanganga o te rāpoi ngota. tātai haukini Hiko

āhua te nitride hauwai muingota te rite te koeko, te turanga o nei te herea ia hauota ki te toru ngota hauwai. Kei te kaha polarised N-H here. Kei te piri Nitrogen rua irahiko honohono. Na reira, piki te tiaki tōraro i runga i te ngota N, te pai - e hāngai ana ki te hauwai. Māramatanga o tenei tukanga whakarato he tauira o te rāpoi ngota, te hiko, me te tātai hanganga o te haukini.

Ko te tino wairewa i roto i te wai hauwai Nitride (700: 1 i te 20 ° C). He iraoho nui noa arata'i ki te hanganga o maha hauwai "piriti" e hono i waenganui i te rāpoi ngota. arahi ano Āhuatanga o te hanganga me te matū te here ki te meka e te ngāwari liquefied haukini i te whakanui ake i te pēhanga ranei e tukupu ana te pāmahana (-33 ° C).

Origin o te ingoa

Ko te wā "haukini" i whakaurua ki te hapori mātauranga i roto i 1801 i te mana'o tauturu o te kēmihi Russian Ya Zakharova, engari taonga waia ki te taata mai nga wa onamata. Gas ki te kakara mangeo tukua i roto i te pirau o ngā hua ururua o maha ngā pūhui matū waro, hei tauira, pūmua me te tiomimi i roto i te whāwehe o haukinia Mariao. Tumu kōrero o te matū whakapono e te ingoa te taonga i muri i te atua tawhito Ihipiana Amun. Siwa (Amona) ko he haumako i Africa Te Tai Tokerau. Karapotia e te koraha Ripia nga wahi kua ururuatia o te pa tawhito, me te temepara, i muri ki nei i reira he putunga o te haukini pūhaumāota. Tenei taonga i roto i Europe, i huaina "tote o Amona." tiaki te reira i te whakarerenga iho i hongi nga tangata o te haumako o Siwa tote i roto i te temepara.

nitride hauwai

kēmihi Ingarihi me te ahupūngao R. Boyle i roto i ngā tahu hamuti, ka kite te hanganga o te paowa ma i te ūkuia toua i roto i te waikawa pūhaumāota me te hua whakaurua ki te jet o hau. I roto i te 1774, i tetahi atu kēmihi Ingarangi J. Priestley mahana haukinia pūhaumāota ki kotakota slaked me haurehu waihā tohaina. ka karanga a Priestley pūhui "rangi kawakore", no te mea whakakitea ona āhuatanga otinga he turanga ngoikore. Riro mai whakamārama wheako Boyle, tali ai te haukini me te waikawa pūmāota. Mārō te haukini pūhaumāota puta ma i runga i te whakapā o te rāpoi ngota matū hohe i roto i te rangi.

whakaturia tātai Chemical o haukini i i 1875 K. Berthollet e Wīwī nei whakahaeretia he whakamātau i runga i te whāwehe o matū ki ona wāhanga wāhanga e te rere hiko. Mohoa noa nei, ngā Priestley, Boyle Berthollet me tā i roto i te taiwhanga ki te whakaputa i hauwai nitride me te haukini pūhaumāota. tikanga Industrial whakawhanakehia i roto i te 1901 e H. Le Chatelier, riro he ārai mō te tikanga o te ariā o te taonga o te hauota, me te hauwai.

He otinga o te haukini. Tātai me ngā āhuatanga

Kei te nuinga tuhia te otinga haukini waiwai i roto i te puka o te waihā - NH 4 OH. whakaaturia ana e ia nga āhuatanga o te alkali ngoikore:

  • dissociates ki katote NH 3 + H 2 E = NH 4 OH = NH 4 + + OH -;
  • otinga waipūhuitohukonu stains te whero;
  • Kei te ähua ki te waikawa ki te hanga i te tote me te wai;
  • tīwharawhara Cu (OH) 2 rite te taonga kanapa puru, ka i konatunatua ki te tai parahi wairewa.

ngā te taurite i roto i te tauhohe o te haukini me te taunekeneke wai te ki te rauemi tīmatanga. kaitahu pai nitride hauwai Preheated i roto i te hāora. puta te reira i hauota hāora ki rāpoi diatomic taonga ohie N2. Whakaiti āhuatanga whakaaturia hoki haukini i roto i te tauhohe ki te parahi waikura (II).

Meaning o te haukini me te rongoā

Nitride o hauwai whakamahia i roto i te hanga o tai haukinia me te waikawa hauota - tetahi o nga hua nui o te ahumahi matū. Haukini Ko te rauemi raw mō te houra (rite tikanga pākawa). Hauwai ihirangi nitride industrially wairewa ero tae 25%. I roto i te ahuwhenua, te whakamahi i haukini wai. Tātai tongi wai - NH 4 OH. Kei te tika te whakamahia te taonga rite te kakahu runga. Ētahi atu tikanga o te oneone hauota haamaitairaa - te whakamahi o Mariao o haukinia pūhau, te pūhau, phosphates. I roto i te taiao ahumahi me ngā wāhi ahuwhenua kore e tūtohu reira ki te rokiroki tahi maniua kei roto haukinia tai ki kawakore. A, no te taea te huru rauemi naianei tākai ki ia atu ki te hanga i haukini me te tuku i te reira ki te wāhi rangi. pūhui paitini pēhia pānga te pūnaha romahā, te pūnaha io pokapū. Ko te ranunga o te haukini me te rangi, he taikaha.

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