95.99 Withdrawal of Standard Aug 2, 2022
ISO
ISO/TC 190/SC 3 Chemical and physical characterization
International Standard
13.080.10 Chemical characteristics of soils
Withdrawn
Specifies a method for the extraction, with aqua regia, of trace elements from soils and similar materials containing less than about 20 % (m/m) organic carbon. Materials containing more than about 20 % (m/m) organic carbon will require treatment with additional nitric acid. The resulting solution is suitable for the determination of trace elements using appropriate atomic spectrometric techniques.
WITHDRAWN
ISO 11466:1995
95.99
Withdrawal of Standard
Aug 2, 2022