Committees responsible
National foreword
Method
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Procedure
8 Expression of results
9 Test report
Annexes
A Test for the purity and method of purification of
pararosaniline hydrochloride (PRA)
B Determination of the mass concentration of sulfur
dioxide present in the sodium disulfite solution for
routine checks
C Recovery of mercury from fresh and used solutions
Figures
1 Examples of absorption bottles suitable for sampling
sulfur dioxide in air
2 Examples of sampling trains for the determination of
the mass concentration of sulfur dioxide in ambient
air