Basic environmental testing procedures - Part 2-45: Tests - Test XA and guidance: Immersion in clean...
Applies to electronic components and other parts mounted on printed circuit boards which may be subjected to cleaning operations. Also gives information on test solvents and test temperatures. The contents of the corrigendum of September 1981 have been included in this copy.
Plastics — Unsaturated polyesters and epoxide resins — Determination of total chlorine content
Specification of two methods for the determination of chlorine: Oxidation of the test portion with sodium peroxide (method A) in a Parr bomb or with gaseous oxygen (method B) in a flask, followed by electrometric or volumetric titration of the resulting chlorides. Blank tests shall be carried out by using the same quanities of reagents as in the determination.
Steel — Macrographic examination by sulfur print (Baumann method)
The Baumann method uses contact printing using silver salts and sulphuric acid. It is applicable to non-alloy and alloy steels and to cast irons of which the sulphur content is less than 0.1 %. Specifies general, principle, products and reagents, test pieces, procedure and test report.