Siau-sng

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(Tùi Nitric acid choán--lâi)

Siau-sng, mā kiò siau-kiong-sng, siau-kiong-chúi, hoà-ha̍k-sek HNO3, sī chi̍t khoán chit-sò͘ ê sng-sò͘-sng (oxoacid).