Photography. Processing chemicals. Specification for ammonium thiosulfate solution1 Scope This International Standard establishes criteria for the purity of photographic grade ammonium thiosulfate solution and specifies the tests to be used to determine the purity.

The readings of a 60/60 °F relative density hydrometer can readily be corrected to yield density (in kg/m3) of the liquid at the temperature at which the hydrometer is used

It covers:

BS EN 13429:2004 presents a framework for assessment to determine whether the requirements of this standard have been met

describes the following three methods for the determination of the moisture content of aggregates:

with proven commutability

Usage of Secure Messaging Templates

Requirements are specified for construction

are greater than mass-based exposures would indicate

and some miscellaneous terms related to radiocommunication

It supersedes BS EN 54-1:1996 which is withdrawn

— self-propelled machinery for forestry according to EN ISO 11850 (machines for felling

BS EN 15283-2 covers additional technical characteristics that are of importance for the use and acceptance of the product and the reference tests for these characteristics and also provides for the evaluation of the conformity of the product