Certified Reference Material (for diagnostic use in human disease, containing components of animal-derived biological materials classified as Category I risk)

Microtomes; parts and accessories for microtomes; instruments and apparatus for physical or chemical analysis, for measuring or checking viscosity, porosity, expansion, surface tension or similar properties, and for measuring or checking quantities of heat, sound or light, n.e.s.

Diagnostic or laboratory reagents on a backing; prepared diagnostic or laboratory reagents whether or not on a backing; and certified reference materials (excluding compound diagnostic reagents intended for patient administration, blood-grouping reagents, animal blood prepared for therapeutic, prophylactic or diagnostic purposes, and vaccines, toxins, microbial cultures and similar products)

Phosphides, whether or not chemically defined (excluding ferrophosphorus); inorganic compounds, including distilled water or deionized water and water of similar purity, n.e.s.; liquid air, whether or not rare gases have been removed; compressed air; amalgams (excluding amalgams of precious metals).

Diagnostic or laboratory reagents on a backing; prepared diagnostic or laboratory reagents, whether or not on a backing, whether or not put up in the form of kits (excluding those of heading 3006); certified reference materials

Articles of plastics and other materials of headings 3901 to 3914, not elsewhere specified (excluding goods of heading 9619)

Other laboratory, sanitary and pharmaceutical glassware (medical instruments, equipment for transferring and preparing pharmaceutical solutions)

Thermometers and pyrometers, not forming part of other instruments (excluding liquid-filled thermometers for direct reading)

Other physical and chemical analysis instruments and apparatus (including instruments and apparatus for measuring or testing viscosity and similar properties) (electronic measuring instruments)

Hand-operated coarse and fine sieves (other light industrial products made of wood)