FOREWORD
PREFACE
SECTION THIRTEEN - MINERAL OIL CONTENT
Clause
43. Scope
44. Principle of the method
45. Apparatus
45.1 Infrared spectrophotometer
45.2 Absorption cells
45.3 Sampling line
45.4 Absorption train
45.5 Gas meter
45.6 Evaporating crucible
45.7 Graduated flasks
46. Reagents
46.1 Carbon tetrachloride
46.2 Sodium sulphate
46.3 Tetrachloroethylene
47. Procedure
47.1 Preparation of the calibration curve
47.2 Determination of oil content
48. Calculation of results
49. Sensitivity and precision
50. Permissible concentration
FIGURES