Photography. Processing chemicals. Specifications for sodium tetraborate decahydrate1 Scope This International Standard establishes criteria for the purity of photographic grade sodium tetraborate decahydrate and specifies the tests to be used to determine the purity.

BS EN 15268:2008  contains:

Bourdon tubing suppliers

Published at the end of December 2003

The Type 4 tubes manufactured and tested to this International Standard are not intended to contain toxic

This part gives immunity requirements and test procedures related to conducted disturbances induced by radio-frequency fields

The control functions

Crystal units are passive products like resistors

⎯ AVI/AEI application interface to standardized wireless protocols (referred to as the “Air Interface”) supporting the AVI transaction requirements

or chemical

Public authorities

This British Standard relates to

Note 1: ISO 21013-4 is restricted to valves not exceeding a size of DN 300 designed to relieve single-phase vapours