… use in the electrical and radio industries. It also has packaging applications, for example, in the packaging of foodstuffs and cosmetics. It is also used in … in the construction industry. It is also used in disposable packaging and in food serving articles. Certain chemically …
… from fatty alcohols; petroleum sulphonates, e.g., of alkali metals (including those containing a proportion of … surface-active agents. These include : (i) Acid or alkaline cleaners specially formulated for cleaning sanitary … in dairies or breweries, and with a basis of : - alkaline substances such as sodium carbonate or caustic …
… are polymers characterised by the presence of monosulphide linkages in the polymer chain, for example, poly(phenylene … the thioplasts of Chapter 40, which contain sulphur‑sulphur linkages. Polysulphides are used in coatings and in moulded … are polymers characterised by the presence of sulphone linkages in the polymer chain, for example, the product …
… Ferrous hydroxide (Fe(OH) 2 ). Obtained by the action of an alkali base on a ferrous salt. White solid which discolours … (brown oxide) (Fe(OH) 3 ). Prepared by the action of an alkali base on a ferric salt. A rust‑coloured, reddish brown … brought to red heat or hammered ( heading 26.19 ). (d) Alkaline iron oxide for the purification of gas ( heading …
… Sub-Chapter XII GLYCOSIDES AND ALKALOIDS, NATURAL OR REPRODUCED BY SYNTHESIS, AND THEIR … (1) Nucleosides and nucleotides ( heading 29.34 ). (2) Alkaloids (e.g., tomatine) ( heading 29.39 ). (3) …
… from brown algae ( Phaeophyta ) by maceration in an alkaline solution. It may be produced by precipitating the … deterioration. (b) Rubber hydrochloride . Generally used in packaging, and, when plasticised, for protective clothing. …