Laboratory glass and plastics ware. Tubes for the measurement of the erythrocyte sedimentation rate by the Westergren method1 Scope This International Standard specifies requirements for single use and re usable glass and plastics tubes for measuring the erythrocyte sedimentation rate (ESR) by the Westergren method, and for a support to hold tubes during the performance of the test. These so called Westergren tubes are also sometimes designated as Westergren pipettes. A procedure for measuring the erythrocyte sedimentation rate by the Westergren method is given in

Also excluded are special methods applicable for specific applications only (e

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Drainage and weathering effects

What is BS 4533-102

It also specifies types of gauge according to size and minimum workpiece tolerance

a procedure for sample preparation

Revisions have been made to labelling requirements

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BS EN 50289-3-1 specifies the mechanical test methods for cables used in analogue and digital communication systems

BS EN 15505 specifies methods for the determination of sodium and magnesium in foodstuffs by flame atomic absorption spectrometry (AAS) after microwave digestion

BS EN 601 on chemical composition of castings for use in contact with foodstuff is useful for: