Hao(III) oxide CAS 1309-37-1
| Nā hōʻailona pōʻino | Xi – Hoʻohaunaele |
| Nā Code Risk | R36/37/38 – Hoʻonanea i ka maka, ka ʻōpū hanu a me ka ʻili. |
| Ka wehewehe palekana | S26 – Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino. |
| UN ID | UN 1376 |
Hoʻokomo ʻia ka hao(III) oxide CAS 1309-37-1
maikaʻi
ʻAlani-ʻulaʻula a ʻulaʻula ʻulaʻula trigonal crystalline pauda. ʻAno mānoanoa 5. 24. Kekahi heheʻe 1565 °C (decomposition). ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe ʻia i loko o ka waika hydrochloric, ʻakika sulfuric, hiki ke hoʻoheheʻe iki ʻia i ka waikawa nitric a me ka waiʻona. Ke puhi ʻia, hoʻokuʻu ʻia ka oxygen, hiki ke hoʻemi ʻia i ka hao e ka hydrogen a me carbon monoxide. ʻO ka hoʻopuehu maikaʻi, ke kala ikaika a me ka mana huna. ʻAʻole hiki i ka ʻaila a me ka wai. Kū'ē ka mahana, kū'ē i ka māmā, kū'ē i ka waikawa a me ka alkali.
Kaʻina hana
Aia nā ʻano hoʻomākaukau pulu a maloʻo. Loaʻa i nā huahana wai nā kristal maikaʻi, nā ʻāpana palupalu, a maʻalahi i ka wili ʻana, no laila kūpono lākou i nā puaʻa. Loaʻa i nā huahana maloʻo nā kristal nui a me nā ʻāpana paʻakikī, a kūpono i nā mea magnetic a me nā mea polishing a wili.
ʻO ke ʻano wai: ua hoʻokō koke ʻia ka nui o 5% ferrous sulfate solution me kahi solution caustic soda (ʻoi aku ka nui o ka alkali o 0.04 ~ 0.08g/mL), a hoʻokomo ʻia ka ea i ka lumi wela e hoʻohuli i nā mea āpau. he ʻulaʻula ʻulaʻula iron hydroxide colloidal solution, i hoʻohana ʻia e like me ka nucleus crystal no ka waiho ʻana i ka hao oxide. Me ka nucleus kristal i ʻōlelo ʻia ma luna nei e like me ka mea lawe, me ka ferrous sulfate e like me ke kikowaena, ua hoʻokomo ʻia ka ea, ma 75 ~ 85 ° C, ma lalo o ke kūlana o ke alo o ka hao hao, ka ferrous sulfate reacts me ka oxygen i ka lewa. e hana i ka ferric oxide (ʻo ia hoʻi, hao ʻulaʻula) i waiho ʻia ma luna o ka nucleus aniani, a ʻo ka sulfate i loko o ka hoʻonā e hana me ka hao hao e hana hou i ka ferrous sulfate, a ʻo ka ferrous sulfate e hoʻoheheʻe ʻia i ʻulaʻula hao e ka lewa a hoʻomau ʻia e waiho ʻia, i pau ai ka pōʻaiapuni ma ka hopena o ke kaʻina holoʻokoʻa e hoʻoulu ai i ka ʻulaʻula hao.
ʻO ke ala maloʻo: hoʻopili ʻia ka waikawa nitric me nā ʻāpana hao e hana i ka nitrate ferrous, i hoʻomaloʻo ʻia a crystallized, dehydrated a maloʻo, a calcined ma 600 ~ 700 ° C no 8 ~ 10h ma hope o ka wili ʻana, a laila holoi ʻia, hoʻomaloʻo a paʻi ʻia e loaʻa ai ka hao oxide. ʻulaʻula huahana. Hiki ke hoʻohana ʻia ka hao oxide melemele e like me ka mea maka, a hiki ke loaʻa ka ʻulaʻula hao ma ka calcination ma 600 ~ 700 °C.
hoʻohana
He puaʻa inorganic a hoʻohana ʻia e like me ka puaʻa anti-rust i ka ʻoihana uhi. Hoʻohana ʻia ʻo ia ma ke ʻano he kala no ka lāʻau, ke kinikini artificial, terrazzo ma ka honua, nā kala a me nā mea hoʻopiha no nā plastics, asbestos, ʻili kūlohelohe, ʻili polishing paste, etc. hana ʻana i nā ʻāpana ferrite magnetic.
palekana
Hoʻopili ʻia i loko o nā ʻeke i ulana ʻia me nā ʻeke plastik polyethylene, a i ʻole i hoʻopaʻa ʻia i loko o nā ʻeke pepa kraft 3-layer, me ke kaumaha ʻupena he 25kg no kēlā me kēia ʻeke. Pono e mālama ʻia ma kahi maloʻo, ʻaʻole pulu, pale i ka wela kiʻekiʻe, a pono e hoʻokaʻawale ʻia mai ka waikawa a me ka alkali. ʻO ka manawa mālama pono o ka pūʻolo i wehe ʻole ʻia he 3 mau makahiki. Ka 'awa'awa a me ka pale: 'O ka lepo ke kumu o ka pneumoconiosis. ʻO ka nui o ka ʻae ʻia i ka lewa, iron oxide aerosol (soot) he 5mg/m3. E hoʻolohe i ka lepo.
