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Nā Koina Kōmike no S ...
2021-07-09
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Kahe kahe o ka sodium formald ...
2021-07-09
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Noi a me ke kaʻina deve ...
2021-07-09
Ke noi a me ke kaʻina hana o ka sodium formaldehyde suloxylate
Sodium sulfoxylate formaldehyde (NaHSO2 · CH2O · 2H2O),
ʻIke ʻia hoʻi ʻo assodium formaldehyde sulfoxylate,
Ka inoa waiwai: Rongalite C.
He poloka translucent keʻokeʻo me kahi helu heheʻe o 64 ℃. Loaʻa iā ia ka hoʻohaʻahaʻa ikaika i nā wela kiʻekiʻe a hiki ke hoʻomaloʻo i nā lole i waiho ʻia.
No laila, hoʻohana nui ʻia ʻo ia ma ke ʻano he mea hoʻokuʻu i ka ʻoihana paʻi a me ke kala, ma ke ʻano he bleaching agent i ka synthesis rubber a me ka ʻoihana kō.
Me ka hoʻomohala ʻana a me ka hoʻohana ʻana i nā huahana, i nā makahiki i hala iho nei, ua hoʻohana ʻia i ka ʻoihana kopa a me ka lāʻau lapaʻau ma ke ʻano he antidote o Hg, Bi, Ba.
Hoʻohana maʻamau ka hana ʻana o ka rongalite i ke ʻano hana kuʻuna ʻekolu, ʻo ia hoʻi ka zinc powder-sulfur dioxide-formaldehyde method.
ʻO ia hoʻi, hoʻohana ʻia ka sulfur dioxide, ka pauka zinc, a me ka formaldehyde e like me nā mea maka, a ʻo ka sulfur dioxide a me ka pauka zinc e hana i ka zinc dithionite (ZnS2O4), a laila hoʻohui formaldehyde, hoʻemi i ka pauka zinc a me ka hopena metathesis sodium hydroxide e hana i ka huahana.
Hoʻohana pū ka hana ʻana i ka domesticrongalite i nā hana kuʻuna i ʻōlelo ʻia ma luna. Hāʻawi nui ʻia nā huahana i ka mākeke kūloko, a lawe ʻia kekahi i Asia Hema.
ʻO ka mea a mākou e hoʻolauna nei he kaʻina hana hou, ʻo ia hoʻi, ke kaʻina o ka loaʻa ʻana o kahi huahana mai ka sodium metabisulfite ma ke ʻano he mea maka ma o ka hōʻemi ʻana i ka pauka zinc a me ka hoʻohui ʻana o ka formaldehyde i hoʻokahi pae.
Hoʻemi ʻia nā mea maka a hoʻohui ʻia i loko o ka ipu hoʻokahi, a ua hoʻololi ʻia nā reactants a pau i nā huahana, ʻaʻohe ʻōpala.
Ma waho aʻe o nā huahana nui, hana pū kekahi i nā huahana zinc oxide (99.5%).
Loaʻa i ke kaʻina nā hiʻohiʻona o ke kaʻina pōkole, nā kūlana ʻenehana paʻa, ka hoʻopukapuka haʻahaʻa haʻahaʻa a me ka hana maʻalahi.
Ma ka ʻatikala aʻe, e kaʻana aku au i ke kaʻina hana e pili ana i ka sodium formaldehyde sulfoxylate.