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Air quality - Determination of mass concentration of sulphur dioxide in ambient air - Thorin spectrophotometric method


Document Number: ISO 4221:1980
File Size: 544 kB
Language: English
Provider: ANSI
Shipping: Available for download - Link will be provided in My ComplianceOnline section

Price: $57.00
Product Details

Applies to the range of 3,5 to 150 g/m3, 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.

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