… reducing agent, used in the manufacture of a priming explosive or in chemical synthesis. Inorganic salts of … polonium from tellurium). Organic derivatives of hydrazine are excluded ( heading 29.28 ). … and as reagents, etc. Organic derivatives of hydroxylamine are excluded ( heading 29.28 ). …
… - Acyclic amides (including acyclic carbamates) and their derivatives; salts thereof : 2924.11 - - Meprobamate (INN) … - Cyclic amides (including cyclic carbamates) and their derivatives; salts thereof : 2924.21 - - Ureines and their … production of azo dyes, are also included here. Ureines are derived from urea by replacing one or more hydrogen atoms of …
… mixed together or with metallic binders 3824.40 - Prepared additives for cements, mortars or concretes 3824.50 - … some of which are used for the preparation of driers or additives for mineral oils, and copper naphthenate used for … tips or the like for tools of heading 82.09. (3) Prepared additives for cements, mortars or concretes , for example, …
… absorbable surgical or dental yarns) and sterile tissue adhesives for surgical wound closure; sterile laminaria and … catgut, similar sterile suture materials and sterile tissue adhesives for surgical wound closure. This item … silver, bronze). The item also covers tissue adhesives such as those consisting of butyl cyanoacrylate …
… a ray of light is rotated in passing through an optically active substance. They consist essentially of a source of … Refractometers . These are instruments for determining the refractive index of liquids or solids (one of the most …
… biological or medical purposes (in conjunction with radioactive tracers). They include : (1) Detection instruments … (as an essentially complete instrument). When the individual units are presented separately they are classified …
