| Standard Number | BS ISO 21501-4:2018 |
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| Title | Determination of particle size distribution. Single particle light interaction methods. Light scattering airborne particle counter for clean spaces |
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| Status | Current |
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| Publication Date | 25 May 2018 |
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| Normative References(Required to achieve compliance to this standard) | No other standards are normatively referenced |
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| Informative References(Provided for Information) | ISO/IEC Guide 98-3, JIS B 9921:2010, ISO 27891, ISO 14644-1, ISO 15900, ISO 14644-2, ISO/IEC Guide 99, ISO 9276-1, ISO/IEC 17025, ASTM F50-92 (2001)e1 |
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| Replaces | BS ISO 21501-4:2007 |
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| International Relationships | ISO 21501-4:2018 |
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| Draft Superseded By | 16/30299911 DC |
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| Descriptors | Clean rooms, Light divergence, Particle size distribution, Air pollution, Test equipment, Calibration, Particulate air pollutants, Verification, Particle size measurement, Counting, Contaminants, Particulate materials, Optical measurement, Air |
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| ICS | 19.120
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| Title in French | Détermination de la distribution granulométrique. Méthodes d'interaction lumineuse de particules uniques Compteur de particules en suspension dans l'air en lumière dispersée pour espaces propres |
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| Committee | LBI/37 |
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| ISBN | 978 0 580 86373 8 |
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| Publisher | BSI |
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| Format | A4 |
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| Delivery | Yes |
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| Pages | 34 |
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| File Size | 1.188 MB |
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| Price | £214.00 |
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