NF ISO 8761

Work-place air. Determination of mass concentration nitrogen dioxide. Method using detector tubes for short-term sampling with direct indication.

Specifies a procedure for the range of approximately 1 mg/m3 to 50 mg/m3. Substances which are known to have an effect on the instrument reading are indicated. The procedure is suitable for personal, breathing-zone sampling as well as for the general area sampling.

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