Minh ko ro la ban dang chay tren loai cot nao, neu nhu la cot pha dao C18 thi co the day la tuong tac giua nhom amin trong hop chat cua ban voi thanh phan cua pha tinh (nhom silanol) nen co hien tuong keo duoi. Ban co the pha chat chuan trong dung dich chua hc co tinh base nhu EDA (ethylendiamine) de block nhom silanol tren be mat pha tinh, nhu vay peak cua ban se symmetric hon. Than ai!
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