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RS ISO 4221: 1980
Air quality — Determination of mass concentration sulphur dioxide in ambient air — Thorin spectrophotometric method

Abstract

This International Standard specifies a Thorin’) spectrophotometic method for the determination of the mass concentration of sulphur dioxide in ambient air.

General Information

Code	Classification	Theme	Pages	Publisher	Availability
RS ISO 4221: 1980	ADOPTED ISO STANDARDS	Road vehicles engineering	25	First Edition Jun 2019	Available

Price: RWF 30,000

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