BUFFERS FOR FLUORIDE ELECTRODE CALIBRATION IN THE LOW CONCENTRATION RANGE

被引:19
作者
TROJANOWICZ, M
机构
[1] Department of Chemistry, Warsaw University, Warsaw
关键词
D O I
10.1016/0039-9140(79)80143-5
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Thorium-buffered fluoride standards for calibration of fluoride electrodes at low fluoride concentration are described. Fluoride electrodes give Nernstian response down to very low fluoride levels, but the practical limit is set at about pF 6 by contamination from distilled water, reagents etc. © 1979.
引用
收藏
页码:985 / 986
页数:2
相关论文
共 7 条
[1]   SPECIES FORMED IN POTENTIOMETRIC TITRATION OF FLUORIDE WITH THORIUM OR LANTHANUM NITRATE AND FUNCTIONS SUITABLE FOR EVALUATION OF EQUIVALENCE POINTS [J].
ANFALT, T ;
DYRSSEN, D ;
JAGNER, D .
ANALYTICA CHIMICA ACTA, 1968, 43 (03) :487-&
[2]   SENSITIVITY OF FLUORIDE-SELECTIVE ELECTRODE BELOW MICROMOLAR RANGE [J].
BAUMANN, EW .
ANALYTICA CHIMICA ACTA, 1971, 54 (02) :189-&
[3]   METAL BUFFERS AS STANDARDS IN DIRECT POTENTIOMETRIC DETERMINATION OF METAL-ION ACTIVITIES [J].
BLUM, R ;
FOG, HM .
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1972, 34 (02) :485-+
[4]   HIGH-SPEED COMPUTERS AS A SUPPLEMENT TO GRAPHICAL METHOD .V. HALTAFALL A GENERAL PROGRAM FOR CALCULATING COMPOSITION OF EQUILIBRIUM MIXTURES [J].
INGRI, N ;
KAKOLOWICZ, W ;
SILLEN, LG ;
WARNQVIST, B .
TALANTA, 1967, 14 (11) :1261-+
[5]  
INGRI N, 1969, TALANTA, V15, pR11
[6]   AUTOMATED DETERMINATION OF FLUORIDE-ION IN PARTS PER MILLIARD RANGE [J].
SEKERKA, I ;
LECHNER, JF .
TALANTA, 1973, 20 (11) :1167-1172
[7]   DIRECT MEASUREMENT OF LESS THAN 1 1-PART-PER-TRILLION FLUORIDE IN RAIN, FOG, AND AEROSOLS WITH AN ION-SELECTIVE ELECTRODE [J].
WARNER, TB ;
BRESSAN, DJ .
ANALYTICA CHIMICA ACTA, 1973, 63 (01) :165-173