He metala kaumaha anei ka barium? He aha kona mau hoʻohana?

Bariumhe metala kaumaha. ʻO nā metala kaumaha e pili ana i nā metala me ka umekaumaha kikoʻī i ʻoi aku ma mua o 4 a 5, a ʻo ka gravity kikoʻī o ka barium ma kahi o 7 a i ʻole 8, no laila he metala kaumaha ka barium. Hoʻohana ʻia nā pūhui Barium no ka hana ʻana i ka waihoʻoluʻu ʻōmaʻomaʻo i nā mea ahi, a hiki ke hoʻohana ʻia ka barium metala ma ke ʻano he mea hoʻoheheʻe ʻia e hoʻoneʻe i ke kinoea i loko o nā paipu māmā a me nā pahu kukui cathode, a ma ke ʻano he degassing agent no ka hoʻomaʻemaʻe ʻana i nā metala.
Barium maʻemaʻe 99.9

1 He metala kaumaha anei ka barium?He metala kaumaha ka Barium. Ke kumu: E pili ana nā metala kaumaha i nā metala me ka ʻumekaumaha kikoʻī i ʻoi aku ma mua o 4 a 5, a ʻo ka umekaumaha kikoʻī o ka barium ma kahi o 7 a i ʻole 8, no laila he metala kaumaha ka barium. Hoʻomaka i ka barium: He mea ikaika ka Barium i nā metala honua alkaline. He metala lepo alkaline palupalu me ka lino keokeo kala. He ikaika loa nā waiwai kemika, ʻaʻole i loaʻa ka barium ma ke ʻano. ʻO nā minela maʻamau o ka barium ma ke ʻano he barium sulfate a me ka barium carbonate, ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai. Hoʻohana i ka barium: Hoʻohana ʻia nā pūhui Barium e hana i ka ʻōmaʻomaʻo i ke ahi, ametala bariumhiki ke hoʻohana ʻia ma ke ʻano he degassing agent no ka wehe ʻana i ke kinoea i loko o nā paipu māmā a me nā pahu ray cathode, a me kahi mea hoʻopau degassing no ka hoʻomaʻemaʻe ʻana i nā metala.

2 He aha nā hoʻohana o ka barium? Bariumhe mea kemika me ka hoailona kemika Ba. He nui nā hoʻohana ʻana o Barium, a eia kekahi o nā mea maʻamau.

1. Hoʻohana ʻia nā pūhui Barium e like me nā mea maka a me nā mea hoʻohui i ka ʻoihana. No ka laʻana, hiki ke hoʻohana ʻia nā pūhui barium e hana i nā phosphors kukui, nā mea ahi, nā mea hoʻohui a me nā catalysts.

2. Hiki ke hoʻohanaʻia ka Barium e hana i nā paipu X-ray, i hoʻohana nuiʻia i nā lāʻau lapaʻau a me nāʻoihanaʻoihana. ʻO ka pahu X-ray he mea hana e hana i nā kukui X no nā noi diagnostic a me ka ʻike.

3. ʻO ke aniani alakaʻi Barium kahi mea i hoʻohana pinepine ʻia no ka hana ʻana i nā mea kani, nā telescopes, a me nā lens microscopic, etc.

4. Hoʻohana ʻia ʻo Barium ma ke ʻano he mea hoʻohui a me nā mea hoʻohui i ka hana pākaukau. Hiki iā ia ke hoʻomaikaʻi i ka hana pākaukau a mālama i ka ikehu.

5. Hoʻohana pū ʻia nā pūhui Barium e hana i nā huahana e like me nā pesticides, keramika, a me nā lipine magnetic.

6. Hiki ke hoʻohana pū ʻia nā pūhui Barium e hoʻomalu i nā mea ʻino a me nā mauʻu i loko o nā lau a me nā māla ʻai.

3 He aha ka barium ion e hoʻoheheʻe ai?ʻO nā ion Barium e hoʻoheheʻe me nā ion carbonate, nā ion sulfate, a me nā ion sulfite. Barium mea he alkaline honua mea metala, he mea i loko o ke ono o ka hui IIA i loko o ka periodic papaʻaina, he eleu ma waena o alkaline honua metala, a palupalu alkaline honua metala me ka silvery-keʻokeʻo luster. ʻAʻole loaʻa ka barium ma ke ʻano. ʻO nā minela maʻamau o ka barium ma ke ʻano he barite (barium sulfate) a me witherite (barium carbonate), ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai. Ua hōʻoia ʻia ʻo Barium ma ke ʻano he mea hou i ka makahiki 1774, akā ʻaʻole ia i helu ʻia ma ke ʻano he mea metala a hiki i ka manawa ma hope o ka hana ʻana o ka electrolysis i ka makahiki 1808. puhi ana. Hoʻohana ʻia nā paʻakai Barium e like me nā pua keʻokeʻo kiʻekiʻe. ʻO ka metallic barium kahi deoxidizer maikaʻi loa i ka hoʻomaʻemaʻe keleawe: ʻai (he ʻano no ka hoʻomaʻamaʻa ʻana i kekahi mau maʻi esophageal a me ka ʻōpū. ʻO ka mānoanoa 3.51 g/cm3. Ka helu hehee 725 ℃. Ka helu hoʻolapalapa 1640 ℃. Valence +2. Ionization ikehu 5.212 electron volts. ʻOi aku ka ikaika o nā waiwai kemika a hiki ke hana me ka hapa nui o nā metala ʻole. ʻO ka puhi ʻana i ka wela kiʻekiʻe a me ka oxygen e hana i ka barium peroxide. He mea maʻalahi ia a hiki ke hana me ka wai e hana i ka hydroxide a me ka hydrogen. E hoʻoheheʻe ʻia i loko o ka waikawa e hana i nā paʻakai. He mea make nā paʻakai Barium koe wale nō ka barium sulfate. Aia ka papa hana metala ma waena o ka potassium a me ka sodium.

puʻupuʻu barium

 


Ka manawa hoʻouna: Nov-04-2024