BS 1747-7:1983
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Methods for measurement of air pollution Determination of mass concentration of sulphur dioxide in ambient air: Thorin spectrophotometric method
Hardcopy , PDF
10-15-2000
English
01-31-1983
National foreword
Cooperating organizations
Methods
1 Scope
2 Field of application
3 Reference
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Procedure
9 Expression of results
10 Test report
Figures
1 Absorption bottle
2 Typical calibration curve obtained using a single-
beam spectrophotometer with cells having an optical
path length of 20 mm
3 Typical calibration curve obtained using a single-
beam spectrophotometer with cells having an optical
path length of 10 mm
4 Typical calibration curve obtained using a double-
beam spectrophotometer with cells having an optical
path length of 20 mm
5 Typical calibration curve obtained using a double-
beam spectrophotometer with cells having an optical
path length of 10 mm
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