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The cisterns specified in BS 1125 are of the type which flushes 9 L only
the method is under development
IEC 61032:1990
BS EN ISO 3923-1 specifies the funnel method for the determination of the apparent density of metallic powders under standardized conditions
Air quality. Guidelines for estimating measurement uncertainty Ingestion-build-61878 The cisterns specified in BS1 Scope This International Standard provides comprehensive guidance and specific statistical procedures for uncertainty estimation in air quality measurements including measurements of ambient air, stationary source emissions, indoor air, workplace atmospheres and meteorology. It applies the general recommendations of the Guide to the Expression of Uncertainty in Measurement (GUM) to boundary conditions met in air quality measurement. The boundary
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