… are excluded from this sub‑Chapter; they fall in heading 28.53 . Halides, halide oxides, and sulphides of metals (see … ) and the compounds of heading 28.44 , 28.45, 28.46 or 28.52 . 28.12 ‑ Halides and halide oxides of non-metals. ‑ … Phosphonium chloride (PH 4 Cl) is excluded ( heading 28.53 ). (4) Arsenic chlorides . Arsenic trichloride (AsCl 3 …
… metallurgy. The heading excludes sodium amalgam ( heading 28.53 ). (3) Potassium . A silvery‑white metal (specific gravity 0.85), which can be cut with an ordinary knife. It is …
… of artificial staple fibres. ‑ Containing 85 % or more by weight of artificial staple fibres : 5516.11 … 5516.14 ‑ ‑ Printed ‑ Containing less than 85 % by weight of artificial staple fibres, mixed mainly or … 5516.24 ‑ ‑ Printed ‑ Containing less than 85 % by weight of artificial staple fibres, mixed mainly or …
… nor incorporated in X‑ray apparatus are excluded ( heading 85.43 ). (C) X‑ray screens . Radioscopic screens are … used in power supply units for X‑ray apparatus (heading 85.40) . (d) Apparatus for examining radiophotographs …