Copper sulfide concentrates. Determination of copper content. Titrimetric methods1 Scope This document specifies two titrimetric methods for the determination of the copper content of copper sulfide concentrates in the range 15 % (m m) to 50 % (m m), using sodium thiosulfate after separation (method 1) or without separation (method 2) of copper from interfering elements.

BS EN 15202 specifies basic connection dimensions of LPG cylinder valves (manufactured in accordance with EN ISO 14245 and EN ISO 15995) and connectors (including pressure regulators) to enable them to be safely connected

the stability of the illumination power is of high importance

BS 9990:2006 and BS 5306-1:2006 replace BS 5306-1:1976

Designers of components

having single-core

PD CEN/TS 17313 provides you with the principles of the ‘Participating service provider’ concept followed by a brief overview of this specified solution in terms of static (system layout

Aerospace manufacturers

the names and interface structure are the same

Organizations increasingly use benchmarking to compare their performance against that of others in the same industry

Dual-purpose air conditioning appliances (heating and cooling)

BS 3F 71 specifies requirements for light duty braided rubber cords in eight sizes from 3 mm to 11 mm in diameter

ISO 19904-1 provides wide latitude in the choice of structural configurations