Applies to the range of 3,5 to 150 micrograms per cubic metre, assuming an air sample volume of 2 m3 and a sample solution volume of 50 ml. For higher concentrations, dilution of the sample may be necessary.
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 4221:1980 |
| Product Name | Air quality - Determination of mass concentration of sulphur dioxide in ambient air - Thorin spectrophotometric method |
