Nxibelelana nathi namhlanje!

Iindaba

  • Application of proply gallate

    Ukusetyenziswa kweglate efanelekileyo

    Ipropyl gallate (PG), ekwabizwa ngokuba yi-propyl gallate, ine-molecular formula ye-C10H12O5. Ubunzima beemolekyuli ezingama-212.21. NjengamaTshayina "iMigangatho yezeMpilo yokuSebenzisa iZongezo zokutya" (GB2760-2011) ichaza: IPropyl gallate inokusetyenziswa kumafutha okutya, ukutya okuthosiweyo, iintlanzi ezomisiweyo ...
    Funda ngokugqithisileyo
  • Development of high-purity gallic acid and its application in electronic chemistry

    Ukuphuhliswa kwe-asidi ye-gallic ephezulu yokucoceka kunye nokusetyenziswa kwayo kwi-chemistry ye-elektroniki

    Imichiza ye-elektroniki ngokubanzi ibhekisa kwiikhemikhali ezizodwa zeshishini le-elektroniki. Okwangoku, kukho amashumi amawaka eentlobo, ezifuna iimfuno zomgangatho ophezulu, ukusetyenziswa okuphantsi, iimfuno eziphezulu zokucoceka kwemveliso kunye nokusetyenziswa kwendalo kunye nokuphuculwa ...
    Funda ngokugqithisileyo
  • Gallic Acid Preparation

    Ukulungiselela i-Gallic Acid

    I-Acid Hydrolysis Indlela ye-acid hydrolysis yahlulwe yanyathelo elinye kunye nendlela eneenyathelo ezimbini. Eyona nkqubo iphambili yokuhamba kwamanyathelo amabini okulungiselela i-gallic acid ekrwada → ukufunyanwa kwamanzi ashushu
    Funda ngokugqithisileyo
  • Tannic Acid

    Itannic Acid

    I-Tannic acid luhlobo oluthile lwe-tannin, uhlobo lwe-polyphenol. I-asidi yayo ebuthathaka (pKa ejikeleze i-6) kungenxa yamaqela eephenol kulwakhiwo. Ifomula yemichiza ye-tannic acid edlalwa rhoqo inikwa njenge-C76H52O46, ehambelana ne-decagalloyl glucose, ...
    Funda ngokugqithisileyo
  • Gallic Acid Historical Context and Uses

    Umxholo weMbali yeGallic Acid kunye nokuSetyenziswa

    IGallic acid yinto ebalulekileyo ye-inki yentsimbi, ukubhala okusemgangathweni kwaseYurophu kunye nokuzoba i-inki ukusuka kwinkulungwane ye-12 ukuya kweye-19, inembali efikelela kubukhosi baseRoma nakwimiSongo yoLwandle Olufileyo. UPliny uMdala (23-79 AD) uchaza ukusetyenziswa kwegalic acid njenge ...
    Funda ngokugqithisileyo