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本文报道用四苯硼酸-维生素B_1离子缔合物作为活性物,邻苯二甲酸二丁酯作为溶剂的石墨涂膜电极。此电极制作方便,响应快速,电极响应线性范围是10~(-5)～10~(-1)M,平均斜率为27±1mV。应用它测定维生素B_1片剂和针
This paper reports the tetraphenyl boronic acid - vitamin B_1 ion association as active material, dibutyl phthalate as a solvent graphite coating electrode. The electrode has the advantages of convenient manufacture and fast response. The linear response range of the electrode is 10 -5 to 10 -1 M with an average slope of 27 ± 1 mV. Apply it to measure vitamin B-1 tablets and needles