pH measurement - Specification for reference value standard solutions and operational reference standard solutionsWhat is BS 1647 2 Reference value standard solutions and operational reference standard solutions about? BS 1647 discusses pH measurement. BS 1647 2 is the second part of the BS 1647 multi series and discusses specifications for reference value standard solutions and operational reference standard solutions. Operational pH standards are those assigned pH values at various temperatures based on the operational cell measurements specified in BS 1647 2.

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Chlorocamphene (Toxaphene)

For the purposes of the present document

in balanced strategic land use planning and sustainable development

Other test levels in BS EN 50470‑3 might be necessary for special applications and should be agreed on between the user and the manufacturer

safety devices and leak tests

Units in disuse and areas decommissioned

Construction requirement

BS EN 13173 Cathodic protection for steel offshore floating structures

This method defines a process for comparing the friction results from a number of devices

Organization of emergency procedures

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