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INH与Ag(Ⅰ)反应,定量析出金属Ag.用原子吸收分光光度法测定Ag,从而可间接测定TNH.方法用于片剂和血清中INH的测定,结果满意.
INH reacted with Ag (Ⅰ), and metal Ag was quantitatively precipitated.A Ag was determined by atomic absorption spectrophotometry to determine TNH indirectly.The method was applied to the determination of INH in tablets and serum with satisfactory results.