Essential oils. Determination of relative density at 20°C. Reference method1 Scope This International Standard specifies the reference method for the determination of the relative density of essential oils at 20 C. NOTE If it is necessary to perform the test at a different temperature on account of the nature of the essential oil, the temperature should be mentioned in the International Standard appropriate to the essential oil concerned. The average correction in the region of 20 C is from 0,000 7 to 0,000 8 per degree

Note: BS 8008 does not cover the descent of hand-dug shafts lined progressively as excavation proceeds

This is part of the DATEX II platform independent data model

BS EN 60839-11-2 also provides system architecture guidelines

depending on the nature of the product and its state of development and use

PRPs can be self-assessed as well as audited against by competent certifying bodies

BS EN 4045 provides users guidance on tolerances of capillary tubes

which create significant potential hazards

Prototypes

BS EN 10028-1 specifies general technical delivery conditions for flat products for the construction of pressure equipment

This part of ISO 28564 is not applicable to the design of escape plans

Dowel pins are normally used to locate two or more components to a required degree of accuracy

The centre of gravity position of the heavy commercial vehicles is vital for the driving condition