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Acetonitrile: Nɔ ni tsuɔ nii jogbaŋŋ kɛ nɔ ni akɛtsuɔ nii kɛhaa nibii ni wala yɔɔ mli lɛ ahe nitsumɔ

Acetonitrile (tsofafeemɔ fɔmula CH3CN) ji nu ko ni bɛ su, ni sɛɛ tsɛɔ ni eyɛ ŋmɔlɔ ni yɔɔ srɔto, ni eji tsofafeemɔ mli nibii ni he hiaa waa ni akɛtsuɔ nii kɛ nɔ ni haa hulu tsoɔ. Eyɛ nitsumɔi srɔtoi yɛ tsofai amlipɛimɔ, nibii ni wala yɔɔ mli lɛ ahe nitsumɔ, tsofai, tsofai ni haa mɔ he jɔɔ, kɛ tsɔnei ahe nitsumɔ mli. Nɔ titri ni akɛ acetonitrile tsuɔ nii ji ekɛ nitsumɔ akɛ nɔ ni haa nu mli tseɔ, nɔ ni ajieɔ kɛjɛɔ mli, kɛ nɔ ni akɛfeɔ nibii ni wala yɔɔ mli lɛ ateŋ nɔ ni fe fɛɛ.

    Nitsumɔhei Wuji

    Yɛ tsofafeemɔ mlipɛimɔ mli lɛ, acetonitrile ji nɔ ko ni afɔɔ nitsumɔ kɛha nu ni tsuɔ nii jogbaŋŋ (HPLC) kɛ gas mlipɛimɔ (GC) mlipɛimɔ. Eyɛ ŋmɔlɔ ni hi kɛ ŋmɔlɔ ni baa shi, ni ekɛ ŋmɔlɔ ni wala yɔɔ mli kɛ nibii ni wala bɛ mli lɛ srɔtoi lɛ shwieɔ shi jogbaŋŋ koni ekɛ niiamlipɛimɔ hetooi ni yɔɔ faŋŋ aha. Akɛ Acetonitrile hu tsuɔ nii kɛsaa tsabaai ni sa kɛ nu ni akɛsusuɔ nii ahe lɛ, ni ehaa nɔmimaa ni akɛpɛiɔ nii amli lɛ ja ni anyɛɔ akɛ he fɔ̃ɔ nɔ.

    Yɛ nibii ni wala yɔɔ mli lɛ afeemɔ mli lɛ, acetonitrile ji nɔ ko ni he hiaa ni haa nu mli tseɔ kɛ nɔ ni yɔɔ teŋgbɛ. Ebaanyɛ efolɔ nibii srɔtoi ni wala yɔɔ mli lɛ amli, ni eha shihilɛ ni yɔɔ shiŋŋ kɛha tsofafeemɔ nifeemɔi. Akɛ nɔkwɛmɔnɔ lɛ, yɛ tsofafeemɔ mli nibii komɛi ni yɔɔ teŋgbɛ kɛ tsofai ni haa mɔ he jɔɔ lɛ afeemɔ mli lɛ, acetonitrile baanyɛ atsu nii akɛ nɔ ko ni haa tsofa lɛ mli nibii ni haa mɔ he jɔɔ lɛ yaa hiɛ. Kɛfata he lɛ, acetonitrile baanyɛ ekɛ ehe awo tsofai komɛi amli koni ekɛfee nibii ni yɔɔ nitsumɔi pɔtɛɛ komɛi. Nɔkwɛmɔnɔ, acetonitrile baanyɛ atsɔ nucleophilic najiaŋdamɔlɔ nifeemɔi amli kɛ e-cyano kuu lɛ koni ekɛ amine loo dãa nibii ni sa lɛ aba.

    Yɛ tsofafeemɔ nitsumɔhe lɛ, akɛ acetonitrile tsuɔ nii babaoo yɛ tsofai ahe nitsumɔ kɛ amɛhetsemɔ gbɛjianɔtoi amli. Ebaanyɛ ekɛ tsofai srɔtoi ni tsɔɔ hiɛ kɛ nɔ ni yɔɔ teŋgbɛ lɛ atsu nii, ni eha tsofai ni tsuɔ nii jogbaŋŋ lɛ aya hiɛ. Akɛ nɔkwɛmɔnɔ lɛ, yɛ tsofai komɛi ni gbeɔ helai kɛ tsofai ni haa mɔ tsui nyɔɔ emli lɛ afeemɔ mli lɛ, acetonitrile baanyɛ atsu nii akɛ nɔ ko ni haa tsofai lɛ tsuɔ nii jogbaŋŋ ni ehaa nɔ ni jɛɔ mli baa lɛ yaa hiɛ. Kɛfata he lɛ, abaanyɛ akɛ acetonitrile atsu nii kɛfee tsofai kristalo kɛ amɛhetsemɔ koni tsofai lɛ ahe atse ni amɛhi jogbaŋŋ.

    Yɛ tsofa-kɛ-ŋma kɛ tsofa-kɛ-ŋma nitsumɔhe lɛ, akɛ acetonitrile tsuɔ nii kɛfeɔ tsofa-kɛ-ŋma nibii ni akɛwoɔ mɔ mli lɛ ahe nitsumɔ kɛ amɛhetsemɔ. Abaanyɛ akɛjie adebɔɔ mli tsofa-kɛ-ŋma nibii, tamɔ fɔ ni he hia kɛjɛ tsei amli. Kɛfata he lɛ, abaanyɛ akɛ acetonitrile afee tsofa-kɛ-ŋma ni yɔɔ ŋmɔlɔ ni yɔɔ srɔto kɛha tsofa-kɛ-ŋma kɛ tsofai ni akɛsaa gbɔmɔtso lɛ.

    Yɛ tsɔnei ahe nitsumɔhe lɛ, akɛ acetonitrile tsuɔ nii akɛ nɔ ni akɛjieɔ muji kɛ nɔ ni akɛjieɔ muji. Ebaanyɛ ejie nibii ni eshwɛ kɛ muji ni yɔɔ tsɔne mli nibii amli lɛ jogbaŋŋ, ni eha tsɔne mli nibii lɛ ahe atse ni amɛtsu nii jogbaŋŋ. Akɛ nɔkwɛmɔnɔ lɛ, yɛ semiconductor feemɔ mli lɛ, abaanyɛ akɛ acetonitrile atsu nii ni akɛtsumɔ wafers lɛ ahe, ni ejie fotoresist nibii ni eshwɛ kɛ muji krokomɛi.

    Yɛ nibii srɔtoi ni akɛtsuɔ nii yɛ mli lɛ fɛɛ sɛɛ lɛ, acetonitrile lɛ sɛɛ tsɛɔ ni eyɛ awui, ni ekɛ nitsumɔ kɛ etoohe biɔ shweshweeshwefeemɔ he gbɛjianɔtoo ni mli wa. Acetonitrile lɛ shwieɔ kɔɔyɔɔ mli oya, no hewɔ lɛ esa akɛ akɛtsu nii yɛ he ko ni kɔɔyɔɔ kpakpa yɔɔ. Kɛfata he lɛ, tsofai ni atsɛɔ lɛ acetonitrile lɛ mli tsofai lɛ yɛ awui fioo, ni esa akɛ awo hebuu nibii ni sa yɛ be mli ni akɛtsuɔ nii lɛ koni akashɛ hewolo kɛ hiŋmɛii ahe. Yɛ nitsumɔhei afeemɔ mli lɛ, acetonitrile ni akɛtsuɔ nii lɛ baa yɛ gbɛjianɔtoi ni agbe naa lɛ amli koni akɛba shihilɛ mli nibii ni baa shi lɛ shi.

    Nibii pɔtɛɛ

    Nibii Gbɛi Asetonitril
    Tsofa he gbɛjianɔtoo C2H3N
    Molekular Muji 41.05 g/mɔl
    Bɔni oyɔɔ Nu ni mli tse ni bɛ su
    He ni Shãa -45.7°C
    He ni Shãa 81.6°C
    Dɛnsiti 0.003 g/sm3
    CAS NO 75-05-8
    HS Mlai 2926909090
    EINECS NO 200-835-2
    Aplikashiŋ Akɛtsuɔ nii yɛ nibii ni wala yɔɔ mli lɛ ahe nitsumɔ mli, nibii ni ajieɔ kɛjɛɔ mli, tsofafeemɔ mli nibii ni yɔɔ teŋgbɛ, kɛ chromatographic mlipɛimɔ mli.

    Wolo ni Kwɛɔ Nɔ ni Hi jogbaŋŋ lɛ Nɔ

    Nibii Gbɛi Asetonitril
    NOKO STANDARD (Hi fe fɛɛ) KAA HE NYƆŊMƆ (%)
    Kromatisiti/HaZen henɔi 10 10
    Dɛnsiti 0.5 0.003 g/sm3
    Hetsemɔ/%≥ 99.9 99.94
    Fɛ̃i/%≤ 0.030 0.029
    Asetɔn/%≤ 25
    Akrilonitril/%≤ 25
    Amonia/%≤ 6 1.1
    Asidi (tamɔ asetik asidi)/≤ 50 1.8
    Akɔɔble/(mg/kg)≤ 0.5 0.001
    Dade/(mg/kg)≤ 0.5 0.003 g/sm3
    He ni shãa (yɛ 0.10133 MPa) °C 81.0-82.0 81.6-82.0

    Yɛ kukufoo mli lɛ

    Yɛ kukufoo mli lɛ, acetonitrile, akɛ tsofa ni he hiaa ni akɛtsuɔ nii kɛ tsofa ni haa hulu tsoɔ lɛ, tsuɔ gbɛfaŋnɔ titri ko he nii yɛ nitsumɔhei babaoo. Jeee akɛ ehaa tsofai ni akɛtsuɔ nii lɛ tsuɔ nii jogbaŋŋ ni ehaa amɛnáa yibiiwoo kɛkɛ, shi moŋ eyeɔ ebuaa ŋmɛnɛŋmɛnɛ beaŋ nitsumɔhei hu. Kɛtsɔ tsɔnei ahe nilee ni yaa hiɛ lɛ nɔ lɛ, gbɛkpamɔi ni yɔɔ akɛ akɛ acetonitrile baatsu nii lɛ baafee nɔ ni mli kwɔ fe tsutsu lɛ po.