Page 10 - Vogel's TEXTBOOK OF QUANTITATIVE CHEMICAL ANALYSIS

CONTENTS

10.38 Determination of phosphate (precipitation as quinoline
molybdophosphate) 304
10.39 Determination of the relative molecular mass of an organic
acid 305
10.40 Determination of hydroxyl groups in carbohydrates 306
10.41 Determination of a mixture of aniline and ethanolamine using
a non-aqueous titration 307
10.42 Determination of the saponification value of oils and fats 308
COMPLEXATION TlTRATlONS
10.43 Introduction 309
10.44 A simple complexation titration 309
10.45 Titration curves 310
10.46 Types of EDTA titrations 311
10.47 Titration of mixtures, selectivity, masking and demasking
agents 312
10.48 Meta1 ion indicators 314
10.49 Standard EDTA solutions 321
10.50 Some practical considerations 322

DETERMINATION OF INDIVIDUAL CATIONS
10.51 Determination of aluminium: back-titration 324
10.52 Determination of barium: direct titration 324
10.53 Determination of bismuth: direct titration 324
10.54 Determination of calcium: substitution titration 325
10.55 Determination of copper: direct titration 326
10.56 Determination of iron(II1): direct titration 326
10.57 Determination of nickel: direct titrations 327
10.58 Determination of silver: indirect method 327
10.59 Details for the determination of a selection of metal ions by
EDTA titration 328
ANALYSIS OF MIXTURES OF CATIONS
10.60 Determination of calcium and magnesium 328
10.61 Determination of calcium in the presence of magnesium using
EGTA as titrant 331
10.62 Determination of the total hardness (permanent and
temporary) of water 332
10.63 Determination of calcium in the presence of barium using
CDTA as titrant 333
10.64 Determination of calcium and lead in a mixture 333
10.65 Determination of magnesium, manganese and zinc in a
mixture: use of fluoride ion as a demasking agent 334
10.66 Determination of chromium(II1) and iron(II1) in a mixture:
an example of kinetic masking 335
10.67 Determination of manganese in presence of iron: analysis of
ferro-manganese 336
10.68 Determination of nickel in presence of iron: analysis of nickel
steel 336