NF ISO 21438-1:2022
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Workplace atmospheres - Determination of inorganic acids by ion chromatography - Part 1 : non-volatile acids (sulfuric acid and phosphoric acid)
Published date
01-07-2022
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This document specifies a method for the determination of the time-weighted average massconcentrationof sulfuricacidandphosphoric acidin workplaceairby ion chromatography. The anions are detected by conductivity.
| Committee |
TC 146
|
| DocumentType |
Standard
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 21438-1:2022 | Identical |
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