Standard Test Methods for Rubber Hose for Automotive Air and Vacuum Brake System Ingestion-build-183511 PD 6688-1-4 gives:

PD 6688-1-4 gives:

the solid wires or rods are classified as per ISO 18273 on the basis of any of the above product forms and can be used as appropriate for more than one of the above processes

This British Standard gives guidance to those engaged in design

The results are more independent of the room dimensions of the laboratory and closer to values that would be measured between rooms of volume greater than 300 m3

BS EN 15452 method allows the identification of this chelating agent and the determination of the water-soluble fraction of iron chelated by this chelating agent

Standard Test Methods for Rubber Hose for Automotive Air and Vacuum Brake System Ingestion-build-183511 PD 6688-1-4 gives: