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ʻO ke kumu kūʻai haʻahaʻa loa ʻo ke kūʻai aku ʻana i ka wela ʻo Bromocresol Green Indicator me ka maʻemaʻe kiʻekiʻe CAS 76-60-8

 


  • CAS:76-60-8
  • MF:C21H14Br4O5S
  • MW:698.01
  • Nā EINECS:200-972-8
  • Huaʻōlelo like:3,3',5,5'-Tetrabromo-m-cresosulfonaphthalein; 4,4'-(3h-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromo-3-methylphenol)s,s-dioxide; 4,4-(3h-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromo-m-cresol)s,s-dioxide m-cresol; 4,4-(3h-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromo-,s,s-dioxidephenol
  • Nā kikoʻī huahana

    Hoʻoiho

    Nā Lepili Huahana

    Ua kūpaʻa mākou e hāʻawi i ka uku hoʻokūkū, nā waiwai kūʻai maikaʻi loa, a me ka lawe wikiwiki ʻana no ke kūʻai aku wela haʻahaʻa loaʻŌmaʻomaʻo BromocresolHōʻailona me ka Maʻemaʻe KiʻekiʻeCAS 76-60-8, ʻO kā mākou kumumanaʻo "Nā kumukūʻai kūpono, ka manawa hana holomua a me ka lawelawe maikaʻi loa" Manaʻolana mākou e hana pū me nā mea kūʻai aku hou aku no ka ulu like ʻana a me nā uku.
    Ua kūpaʻa mākou e hāʻawi i ka uku hoʻokūkū, nā waiwai kūʻai maikaʻi loa, a me ka lawe wikiwiki noKina 76-60-8 a me Bromocresol Green, Ma muli o nā waiwai me ke kūlana kiʻekiʻe, ke kumukūʻai hoʻokūkū, a me kā mākou lawelawe piha, ua hōʻiliʻili mākou i ka ikaika a me ka ʻike, a i kēia manawa ua kūkulu mākou i kahi inoa maikaʻi loa ma ke kahua. Me ka hoʻomohala mau ʻana, ke hoʻopaʻa nei mākou iā mākou iho ʻaʻole wale i ka ʻoihana kūloko Kina akā i ka mākeke honua. E hoʻoneʻe ʻia ʻoe e kā mākou huahana kiʻekiʻe a me nā hoʻonā a me ka lawelawe makemake nui. E wehe kākou i kahi mokuna hou o ka pōmaikaʻi like a me ka lanakila pālua.

    He mea hoʻoheheʻe iki ka ʻōmaʻomaʻo Bromocresol i ka wai a hoʻoheheʻe ʻia i ka ethanol, ether, ethyl acetate, a me benzene. He mea maʻalahi loa i ka alkali, huli ka ʻōmaʻomaʻo Bromocresol i kahi kala polū-ʻōmaʻomaʻo kūikawā i ka wā e hālāwai ai me nā hopena wai alkaline. Hiki ke hoʻohana ʻia ka ʻōmaʻomaʻo Bromocresol ma ke ʻano he hōʻailona, ​​​​e ʻike ʻia ana he melemele ma ka pH 3.8 a me ka polū-ʻōmaʻomaʻo ma ka pH 5.4.

    Nā Mea Nā kikoʻī
    PH (wā hoʻololi) 3.8 (melemele ʻōmaʻomaʻo) -5.4 (polū)
    Ka lōʻihi o ka nalu omo (nm) λ1 (PH 3.8)

    λ2(PH 5.4)

    440~445615~618
    Ka helu omo nuipa, L/cm · gα1(λ1PH 3.8, hāpana maloʻo)

    α2(λ2PH 5.4, hāpana maloʻo)

    24~2853~58
    Hoʻāʻo hoʻoheheʻe ʻana o ka ethanol hoʻoholo
    Koena puhi (helu ʻia he sulfate) ≤0.25
    Pohō ma ka maloʻo ʻana ≤3.0

    1ʻŌmaʻomaʻo Bromocresolhe mea hoʻoluʻu pūnaewele
    2.ʻŌmaʻomaʻo Bromocresolhe hōʻailona waikawa-kumu, ka pae loli kala pH 3.8 (melemele) a i 5.4 (uliuli-ʻōmaʻomaʻo)
    3. Hoʻohana pinepine ʻia ka paʻakai sodium ʻōmaʻomaʻo Bromocresol i ka hoʻoholo ʻana o ke kala o ka acidity a me ka alkalinity. Hoʻohana ʻia ka hopena paʻakai sodium a Bromocresol green ma ke ʻano he mea hana kala no ke ana ʻana i ka waiwai pH e ka spectrophotometry. Hoʻohana ʻia ma ke ʻano he reagent no ka chromatography papa lahilahi e hoʻoholo ai i nā hydroxycids aliphatic a me nā alkaloids, a ma ke ʻano he mea hoʻokaʻawale a me ka hoʻokaʻawale no ka hoʻoholo photometric o nā cations ammonium quaternary.

    1kg/ʻeke, 25kg/pahu, koi ʻia e ka mea kūʻai aku

    Ua kūpaʻa mākou e hāʻawi i ka uku hoʻokūkū, nā waiwai kūʻai maikaʻi loa, a me ka lawe wikiwiki ʻana no ke kūʻai aku wela haʻahaʻa loaʻŌmaʻomaʻo BromocresolHōʻailona me ka Maʻemaʻe KiʻekiʻeCAS 76-60-8, ʻO kā mākou kumumanaʻo "Nā kumukūʻai kūpono, ka manawa hana holomua a me ka lawelawe maikaʻi loa" Manaʻolana mākou e hana pū me nā mea kūʻai aku hou aku no ka ulu like ʻana a me nā uku.
    Kumukūʻai Haʻahaʻa LoaKina 76-60-8 a me Bromocresol Green, Ma muli o nā waiwai me ke kūlana kiʻekiʻe, ke kumukūʻai hoʻokūkū, a me kā mākou lawelawe piha, ua hōʻiliʻili mākou i ka ikaika a me ka ʻike, a i kēia manawa ua kūkulu mākou i kahi inoa maikaʻi loa ma ke kahua. Me ka hoʻomohala mau ʻana, ke hoʻopaʻa nei mākou iā mākou iho ʻaʻole wale i ka ʻoihana kūloko Kina akā i ka mākeke honua. E hoʻoneʻe ʻia ʻoe e kā mākou huahana kiʻekiʻe a me nā hoʻonā a me ka lawelawe makemake nui. E wehe kākou i kahi mokuna hou o ka pōmaikaʻi like a me ka lanakila pālua.


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