Taking an amount of 60 ~ 80mL TISAB ( I ) with pH value of 6 ~ 7 the recoveries are 98.6 % ~ 104.00 % and RSD < 2.7 % .

〔 结果 〕 选用 TISAB（I），用量控制在60￣80mL，适宜测定的pH值为6￣7，回收率为98.6%￣104.00%，RSD<2.7%。

Two groups of TISAB Liquid are selected from nine advanced methods of determination of fluoride in water through an interference experiment by which anti & interference effect is studied .

从国内外先进的水氟测定方法中选出九组 TISAB液，通过干扰试验探讨了Na，Cit和CDTA的抗干扰效果，从中筛选了两组适合我国情况的TISAB液。

This is to study the effect of TISAB as masking agent of metal ions and pH conditioning agent of ion to the determination of total fluorine in toothpaste by ion selective electrode method .

〔 目的 〕 探讨 TISAB 溶液作为金属离子掩蔽剂和 OH-离子的pH调节剂对氟离子选择电极测定牙膏氟含量的影响。

The best work conditions determining Cu ~ ( 2 + ) Cd ~ ( 2 + ) Pb ~ ( 2 + ) with ion-selectrode are studied . The emphasis is pH value TISAB temperature and response-time of water sample which are effect factors on ion-selectrode .

考察了离子选择电极测定铜、镉、铅离子的最佳工作条件，重点是对测定影响较大的水样pH、 总 离子 强度 调节 液、温度以及响应时间。

Application of TISAB in Electric Potential Determination

TISAB在直接电位测定法中的应用

Measurement of Fluorine Liquid as Influenced by TISAB

总 离子 强度 缓冲剂对含氟溶液测定的影响