BS 1747-2:1969
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 the measurement of air pollution Determination of concentration of suspended matter
Hardcopy , PDF
12-13-2011
English
12-16-1969
Co-operating organizations
Foreword
Introduction
Specification
0 Scope
1 Estimation of smoke in terms of equivalent
'standard smoke'
1.1 Apparatus
1.2 Procedure
1.3 Calculation
2 Determination of smoke concentrations by direct
welding
2.1 Apparatus
2.2 Procedure
2.3 Calculation
3 Verification and reproducibility
3.1 Verification of calibration curve
3.2 Reproducibility of methods
Notes
Figures
1 Smoke filter units for atmospheric pollution
measurements
2 Typical example of apparatus assembly
3 British smoke calibration curve
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