【摘要】 <正> 离子选择电极,是近代迅速发展起来的电化学传感器,已被广泛的应用于各个领域。应用氟硼酸根电极测定钢铁和水中的硼已有报导,但海洋沉积物中电极法测定微量硼的报导甚少。本文研究了同一份试样分取试液,分别应用氟硼酸根电极和氟电极直接电位法更多还原

【Abstract】 Using a series of samples taken from a single solution, the conditions of the direct potential measurement of B and F in marine sediments by employing, respe- ctiyely, fluoroborate electrode and fluoride electrode and the separation and screening of the interfering elements are studied in this paper. The determination on the reference sample and the recoyery of B and F from the samples prepared by adding a known qttantity of B and F in the reference samp1e were also studied. Based on these studies, a procedure for determination of B and F in marine sediments has been proposed. The procedure was then justified hy analyis of a great deal of samples, and is believed to be able to give rise to good enough results. The concentration range for the procedure are 0.000n--n% for B and 0.00n--n% for F. Convenience, high reproducibility, high accuracy and low costs are the major advantages of this procedure.更多还原