… water, deteriorates slightly in humid atmosphere. Strongly affected by the carbon dioxide in the air. It is sensitive … and other precious metal silicides in heading 28.43 , ferro‑alloys and master alloys containing silicon in …
… phenols (polyphenols). This substitution in its turn may affect one or more benzene rings; in the first case … OH), white crystals, used in medicine as an analgesic and a febrifuge (antipyretic). …
… 8207.90 ‑ Other interchangeable tools Whereas (apart from a few exceptions such as machine saw blades) the preceding … and other tools with working parts of rubber, leather, felt, etc., classified according to the constituent …