Ho okumu, 'epekema
Meto waiʻona
Meto waiʻona (ole metanola) mea he colorless wai. He hiki wawe ka miscible me ka wai a me nā nā'uheheʻe me ka ke aloha kēia manawa. I ka ho'āʻoʻana a me ka ala o ka meto ka waiʻona (CH3OH haʻilula) i kokoke, aole he okoa mai'eto, akā, ia meaʻawahia, a hiki i kaʻapu kōheoheo loa. Metanola i ka haʻahaʻa baila aʻela i wahi. He 64,5 kekelē Kelekia. I ka wa e puhi ana keia mea i ka haikea uliuli ke kala ana o ka lapalapa ahi a me ka uahi paka ole.
Ma lalo o maoli keia, he mea hiki ole ke loaa metanola i noa palapala. Ma ke ano maoli, eia wale meto waiʻona nā mea loaʻa, i mea ester mea kāhinu, a me ka 'ona. Ka mea, e ubiquitous. Anthranilicʻakika meto ester ua hookomoia ma ka jasmine ka aila a me ka salicylic - ma wintergreen aila. Nā mea loaʻa o ka metanola loaʻa i loko o alkaloids, ma kona ano maoli make, etc.
Mua ka loaa ana i ka metanola hua mai la i ka maloo distillation kaʻina hana, he laau, heʻiʻo maka nō mea. Hoikehonua, hanalima Manufacturers hoʻohana kemikala ki ina hana like.
Meto waiʻona ua hoʻomano hoʻohana like me ka'ūheheʻe no ka pena a me varnishes. Ua Ua hoʻohana 'ia me ka hoʻomaka lālā e paka formaldehyde, dimethyl sulufahate, meto koloriside, a me nā hui hua mai la e Nine Inch mea. No hoi, ka mea, o kekahi o ka antifreeze eiiiiiaiou, a ua hoʻohana 'ia no ka denaturing 'eto ka waiʻona.
Metanola mea he make, i pili i ka vascular a me ko mākou hopohopo nenoai. Ke kaʻawahia o ka waiwai aie i kona'okesaside ka wā kino a ua hoohuliia mai i ke ola-na olelo hooweliweli e formaldehyde.
Meto waiʻona i kaʻapu kōheoheo a hiki i hoʻomaka ai ma hope o ka loaa ana elima i he umi ka pono ke kumu no ka makapō i loko o kānaka. A mahele lāʻau nui loa kanakolu nā huna, Ua pinepine ke kumu o ka make, a ia lŘlŘ ma haʻahaʻa o ka naehana'ōnaehana, akemāmā edema a lolo a me ka uremia paha'opi. Symptoms o mehana metanola kaʻapu kōheoheo e hōʻike:
- headaches;
- mau malaise;
- nawaliwali;
- nausea;
- ole;
- ka luaʻi.
Penei, i ke ola kino kamepiula mea ole wale meto ka waiʻona i loko o ke gula palapala, akā, i ka läÿau, ma i mea liʻiliʻi o ka metanola maʻiʻo. Loaa ana o kaʻawahia waiwai i loko o ke kino ke lawe wahi ma ka digestive'ōnaehana ole wale. waiʻona paʻa komo iloko o ka ia maʻiʻaʻai. Metanola ma nīnūnē dala mea hiki ke komo i loko o ke kino, a ma ka ili.
Meto waiʻona i loko o kekahi mau aina ua hoʻohana 'ia e like me ka denaturant no ethanol hehee ai. Ke kūpono naoh o ka Nine Inch waiwai o ka ke keʻena o ka ai 'hua mai la i ka mea poni oihana puolo. Russian kanawai ua papa i ka hana o ka metanola ma huahana manao no ka nuipa a hokii.
Meto waiʻona o kona hoʻohana i ka palapala no ka synthesizing ka bulk o ka hanalima Nine Inch oihana puolo. Ma kona kumu i nā polymers hua mai, a me kela ke aloha 'ona. Metanola ua hoʻomano hoʻohana me he Agena no ka makaukau o kekahi mauʻano o pesticides.
Meto waiʻona mea he maka mea no ka hana methylamine, pentaerythritol, a me ka hexamine. Kona hoʻohana i loko o ka? Iecaianoaaiiie o polyvinylchloride, ion mail a me ka urea kēpau, e like me ia ma ka hana ana i kiʻi Auana. Me ka metanola hiki ole e hoʻohana ammonia mea kanu. Meto waiʻona ua hoʻomano hoʻohana 'ia i loko o ka mea lāʻau lapaʻau hana i loko o ka hana o ka lāʻau. Kēia wai a hiki ke hoʻohana 'ia e like me ka wahie i loko o ka mana mea kanu, e ia i pani no ka kakolina kaa. Me ka metanola ua i hua mai la aceticʻakika a me kemikala laholio. Kēia waiwai a pau no hoi loaa kona palapala noi ma ka hana, a me ka aila a me ka kinoea eiiieaena mea.
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