The experiment re- searched the TISAB, reducing agent, the recovery, the precision and the detection limit and the interference of this method, and the samples was determined.
实验对离子强度缓冲调节剂、还原剂的选择及用量，方法回收率、精密度、检出限及干扰进行了探讨，并对实际样品进行了测定。
The result shows that the determination effect is best when the TISAB make up of the citric acid, the acetic acid and sodium chloride which account for the solution total quantity 10%~20%.
结果表明：用柠檬酸、醋酸、氯化钠组成TISAB，加入量为溶液总量的10%~20%，测定效果最佳。
Methods Two layers filter, which is steeped in NaCHO3-glycerine solution, are used to collecte fluoride in air. Select the concentration of DTA in TISAB, and research the basis value filter, pro-procedure of samples, recovery rate of method and the application of method.
用两层都经碳酸氢钠甘油溶液浸渍的超细玻纤滤纸采集空气氟，对TISAB的柠檬酸钠浓度进行选择，滤纸本底值、前处理方法、回收实验和方法现场应用进行研究。
The result showed that the sample of brick-tea was burned in the oxygen bomb with 3 MPa purity oxygen, then absorbing the ash with deionization water, the content of total fluoride was determined directly by means of fluoride ion additive selective electrode under pH5.6 and the concentration of sodium citrate dihydrate in TISAB is
结果表明：用充氧3 MPa的氧弹燃烧分解样品，去离子水吸收燃烧产物，吸收液加入含柠檬酸钠浓度为110.0 g/L、pH5.6的TISAB，然后用标准加入氟离子选择性电极法测定氟含量；回收率为95.88%~101.0%，相对标准偏差为0.75%~1.25%，测定国家茶叶标准物质氟含量与标示值相符。
Results When select 1mol/L DTA in TISAB, the relative error of determination is smaller than 5.2%.Although the basis value is a little high, the filter is good absorbent of gaseity and aerosol fluoride. As for the pro-procedure, instead of dealing with supersonic for 15min in 40℃ stir in HCl for 1 hr. The average recovery of standard material is 93.9%.
结果 选用1mol/L柠檬酸钠作TISBA测定偏差＜5.2%；经浸渍处理的滤纸本底氟略有升高，但对气态或气溶胶态都能更好地阻留吸收；前处理方法可用酸浸搅拌成纸浆浸放1h代替40℃超声15min；用煤飞灰标准物质加标回收，平均回收率93.9％。
Detection limit of some kinds of TISAB solutions were determined and compared. Because of the electrode slopes during the determination process we e unstable, secondary standard addition was adopted. The experimental data was treated by using a pocket computer PC-1500 program.
对几种总离子强度缓冲液（TISAB）的检出限进行了测定和比较，鉴于在测定过程中电极斜率漂移的情况，选用二次标准加入法，借助于SHARP-PC-1500计算机处理实验数据；
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。
Application of TISAB in Electric Potential Determination
TISAB在直接电位测定法中的应用
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。
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%。
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。
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
The Effect of Tisab on the Determination of F~- in Water; Determination of Ofloxacin Eye Drops by HPCE
TISAB对测定水中微量氟的影响HPCE法测定氧氟沙星滴眼液的含量