… circuit diagrams. The goods of this heading vary from small switchboards with only a few switches, fuses, etc. (e.g., … generally used to control machine‑tools. (2) Programmed switchboards to control apparatus; these permit variations … . * * * The heading excludes : (a) Telephone switchboards ( heading 85.17 ). (b) Simple switch …
… headings. The heading includes, for example, boards for switchboards, generally of plastics or metal, without their … provided they are clearly recognisable as parts of switchboards. …
… include : (a) Tetrafluoroboric acid (fluoroboric acid) (HBF 4 ). (b) Hexafluorosilicic acid (fluorosilicic acid) (H … analyses. (C) COMPOUNDS OF BROMINE (1) Hydrogen bromide (HBr). A colourless gas with a strong, pungent odour. It may … bromides and in organic synthesis. (2) Bromic acid (HBrO 3 ). Exists only in aqueous solutions; used in organic …
… AND PERBROMATES This group covers the salts of bromic acid (HBrO 3 ) (heading 28.11), for example potassium bromate (KBrO 3 ), and the salts of perbromic acid (HBrO 4 ). (D) IODATES AND PERIODATES This group covers the …