… cotton fibres. The essential constituent of these fibres is cellulose, and they are covered with a waxy substance. … outer surface is smooth, and their natural colour white, yellowish or even brownish or reddish. They are harvested when the ripened …
… pyrites or of metals 8417.20 - Bakery ovens, including biscuit ovens 8417.80 - Other 8417.90 - Parts This heading covers non-electrical industrial or laboratory …
… not heat‑treated : 2517.41 - - Of marble 2517.49 - - Other This heading covers pebbles, gravel and broken or crushed … Segregated materials of construction and demolition waste consisting essentially of broken pieces of stone which are …
… from the incineration of municipal waste 2621.90 - Other This heading covers slag and ash not falling in heading … or process. Although many of the products are used as fertilisers they are classified here and not in Chapter 31 ( …
… sulphonitric acids. (A) NITRIC ACID Nitric acid (HNO 3 ) is mainly obtained by oxidising ammonia in the presence of a catalyst (platinum, iron, chromium, bismuth or manganese oxides, etc.). Alternatively, nitrogen …
… acid; oleum. (A) SULPHURIC ACID Sulphuric acid (H 2 SO 4 ) is mainly obtained by passing oxygen and sulphur dioxide … water and destroys the skin and most organic substances by carbonising them. Commercial sulphuric acid contains between … drums, tank trucks, railway tank wagons or tank ships. This acid is used in a great number of industries : it is …
… rectangular (including square), the largest face of which is capable of being enclosed in a square the side of which … stone 6802.93 - - Granite 6802.99 - - Other stone This heading covers natural monumental or building stone ( …
… of relatively low power, the compound optical microscope of this heading has a second stage of magnification for the … image of the object. A compound optical microscope normally comprises : (I) An optical system consisting essentially …
… for mosaics or similar decorative purposes 7016.90 - Other This heading covers a range of glass articles obtained by … ornaments (rosettes, king-posts, etc.), steps and risers, banister knobs, etc. These articles, which are of …
… mica, whether or not on a support 6814.90 - Other This heading covers natural mica, further worked than merely … rifted and trimmed (e.g., cut to shape), and also products consisting of agglomerated (bonded) mica or pulped …
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