Page 11 - Vogel's TEXTBOOK OF QUANTITATIVE CHEMICAL ANALYSIS

CONTENTS

10.69 Determination of lead and tin in a mixture: analysis of
solder 337
10.70 Determination of bismuth, cadmium and lead in a mixture:
analysis of a low-melting alloy 337
DETERMINATION OF ANIONS
10.71 Determination of halides (excluding fluoride) and
thiocyanates 339
10.72 Determination of phosphates 339
10.73 Determination of sulphates 340
PREClPlTATlON TlTRATlONS
10.74 Precipitation reactions 340
10.75 Determination of end points in precipitation reactions 342
10.76 Preparation of 0.1M silver nitrate 348
10.77 Standardisation of silver nitrate solution 349
10.78 Determination of chlorides and bromides 351
10.79 Determination of iodides 351
10.80 Determination of mixtures of halides with adsorption
indicators 352
10.81 Determination of mixtures of halides by an indirect method 352
10.82 Preparation and use of 0.1M ammonium or potassium
thiocyanate: titrations according to Volhard's method 353
10.83 Determination of silver in a silver alloy 354
10.84 Determination of chlorides (Volhard's method) 355
10.85 Determination of fluoride: precipitation as lead chlorofluoride
coupled with Volhard titration 356
10.86 Determination of arsenates 357
10.87 Determination of cyanides 358
10.88 Determination of potassium 359
OXIDATION-REDUCTION TlTRATlONS
10.89 Change of the electrode potential during the titration of a
reductant with an oxidant 360
10.90 Forma1 potentials 363
10.91 Detection of the end point in oxidation-reduction titrations 364
OXlDATlONS WlTH POTASSIUM PERMANGANATE
10.92 Discussion 368
10.93 Preparation of 0.02M potassium permanganate 370
10.94 Standardisation of permanganate solutions 370
10.95 Analysis of hydrogen peroxide 372
10.96 Determination of nitrites 373
10.97 Determination of persulphates 374
OXlDATlONS WlTH POTASSIUM DICHROMATE
10.98 Discussion 375
10.99 Preparation of 0.02M potassium dichromate 375
10.100 Standardisation of potassium dichromate solution against
iron 376
10.101 Determination of chromium in a chromium(II1) salt 377