Nā huahana

Hoʻohana: Ua hoʻohana ʻia ka methyl alani i loko o ka hale hana a me ka hana ʻenehana a me ka mahiʻai no ka mālama ʻana i ka pH o nā hopena kemika a me ka loiloi titration acid-base o nā huahana kemika a me nā waena.I ka ʻoihana paʻi a hoʻoluʻu, pono ke ana ʻia ka pH e koe ana ma ka lole me kahi hōʻailona a holoi ʻia e hana ʻole ka lole.Inā loaʻa ka ʻakika ma ka lole hua Chemicalbook, e hoʻopilikia ia i kona waihoʻoluʻu a me ka wikiwiki ke hoʻoluʻu a paʻi ʻia me nā mea hoʻonaninani.ʻO ka hemahema o ka hōʻailona ʻalani methyl ʻoi aku ka paʻakikī o ka ʻike ʻana i ke kala melemele-ʻulaʻula, a ua hoʻololi ʻia i kēia manawa e nā ʻano hōʻailona ākea.ʻO ka ʻalani ʻo Methyl kekahi mea hiki ke hoʻohana ʻia e paʻi a paʻi i nā lole

Acid-base titration indicator "Methyl orange he mea maʻamau ka hoʻohana ʻana i ka waika-base titration indicator ma ke kemika analytical. ʻO kona ʻano o 0.1% aqueous solution he pH o 3.1 (ʻulaʻula) a 4.4 (melemele). He kūpono ia no ka waika ikaika a ikaika. kumu, Titration ma waena o nā kumu nāwaliwali. Aia ia ma ke ʻano o ka sulfonic acid sodium paʻakai ma ke kūʻokoʻa a i ʻole ka hopena alkaline, a ua hoʻololi ʻia i ka ʻakika sulfonic i loko o ka hopena ʻakika, i hana ʻia ka pūʻulu sulfonic acidic me ka pūʻulu dimethylamino kumu i loko o ka mole. ʻO ke ʻano paʻakai o loko (ka hale paraquinone) o ka waika p-dimethylaminophenylazobenzenesulfonic e lilo i ʻōnaehana conjugated i loaʻa kahi ʻano p-quinone, no laila e hoʻololi ke kala e like me ia, a ʻaʻole kūpono ia no ka titration o nā mea hoʻohui waikona. , bromine a me bromide ions Hoʻohana ʻia ia no ka waihoʻoluʻu olaola, a pēlā aku.I ka ʻoihana paʻi a me ka hoʻoluʻu ʻana, pono e ana ʻia ke koena pH ma luna o ka lole me kahi mea hōʻailona a holoi ʻia e hana ʻole ka lole.Inā he ʻakika ka lole, e hoʻopilikia ia i kona kala a me kona kala ke hoʻoluu ʻia a paʻi ʻia me nā mea hoʻonaninani.Ka wikiwiki.ʻO ka hemahema o ka hōʻailona ʻalani methyl ʻoi aku ka paʻakikī o ka ʻike ʻana i ka waihoʻoluʻu melemele-ʻulaʻula, a ua hoʻololi ʻia i kēia manawa e kahi ākea o nā hōʻailona (e nānā i ka "phenolphthalein").ʻO ka ʻalani ʻo Methyl kekahi mea hiki ke hoʻohana ʻia no ka paʻi ʻana a me ke kala ʻana i nā lole.

Hoʻohana: Ma ke ʻano he hōʻailona acid-base, pH3.1 (ʻulaʻula) -4.4 (melemele), hoʻohana pū ʻia no ka waihoʻoluʻu ola.

Nā hoʻohana: ʻike ʻia ka acid-base, ka wehe ʻana o ka pH mai 3.1 (ʻulaʻula) a i ka 4.4 (melemele), ka hoʻoholo ʻana i ka alkalinity o ka hapa nui o nā ʻakika mineral, nā kumu ikaika a me ka wai;ka hoʻoholo volumetric o ka tin (Sn2+ e mae i ka methyl alani ke hoʻomehana ʻia);hōʻemi ikaika ʻO ka hōʻailona Decolorizing no nā oxidants (Ti3+, Cr2+) a me nā oxidants ikaika (chlorine, bromine);ka hoʻoholo spectrophotometric o chlorine, bromine a me bromide ion;hiki ke hoʻohui ʻia me ka sodium indigo disulfonate a i ʻole bromocresol green e hana i kahi hōʻailona hui e hoʻopōkole i ka discoloration Domain a hoʻonui i ka ʻoi o ka loli kala;nā hōʻailona redox e like me trivalent arsenic a i ʻole antimony no ka titration potassium bromate

Hoʻohana: Acid-base indicator, achromatic indicator of strong reducing agent and strong oxidant, cytoplasmic indicator, histological contrast stain, pollen tube staining.Hoʻololi ka pH waiwai i ka laulā mai ka 3.1 (ʻulaʻula) a i ka 4.4 (melemele), a hoʻoholo i ka alkalinity o ka hapa nui o nā ʻakika mineral, nā alkali ikaika a me ka wai.ʻO ka hoʻoholo volumetric o ka tin (Sn2+ wehe i ka methyl alani ke wela).Hōʻike decolorizing no nā mea hoʻohaʻahaʻa ikaika (Ti3+), Cr2+) a me nā mea hoʻoheheʻe ikaika (chlorine, bromine).Hoʻoholo spectrophotometric o ka chlorine, bromine a me ka bromide ion.Hiki ke hoʻohui ʻia me ka sodium indigo disulfonate a i ʻole bromocresol green e hana i kahi hōʻailona hui e hoʻopōkole i ka laulā hoʻololi kala a hoʻomaikaʻi i ka ʻoi o ka loli kala.Nā hōʻailona Redox e like me trivalent arsenic a i ʻole antimony no ka titration potassium bromate.